CN109904622A - Polarizations switching device, method, storage medium and computer equipment - Google Patents
Polarizations switching device, method, storage medium and computer equipment Download PDFInfo
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- CN109904622A CN109904622A CN201910187107.4A CN201910187107A CN109904622A CN 109904622 A CN109904622 A CN 109904622A CN 201910187107 A CN201910187107 A CN 201910187107A CN 109904622 A CN109904622 A CN 109904622A
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Abstract
This application involves a kind of polarizations switching device, method, storage medium and computer equipments, polarizer is connect with left-handed transmitting-receiving structure and dextrorotation transmitting-receiving structure respectively, when carrying out satellite communication, need to adjust the working condition of the transmitting-receiving structure of corresponding types according to the polarization type of signal to be transmitted and reception signal, so that polarization type switches simpler convenience, and switching time is short, switch speed is fast;In addition, the problem of since there is no mechanical wear, so that the reliability of device greatly improves.
Description
Technical field
This application involves technical field of satellite communication, are situated between more particularly to a kind of polarizations switching device, method, storage
Matter and computer equipment.
Background technique
With the development of modern communication technology, satellite communication using more and more extensive.Satellite communication refers on the earth (packet
Include in ground and lower atmosphere layer) radio communication station between use satellite as in the communication that then carries out, have strong flexibility,
Wide coverage, message capacity are big, transmission quality is good, not by geographical conditions and Effect of Natural Disaster the features such as.
In satellite communication field, common electromagnetic transmission mode is circularly polarised wave, and circularly polarised wave is the wink of a constant amplitude
When rotating field, left-hand circular polarization wave (left-hand circularly polarized, LHCP) and dextrorotation entelechy can be divided into
Change wave (right-hand circularly polarized, RHCP).In practical applications, it needs according to the actual situation to pole
Change type to switch over, however, generalling use mechanical switching method in the prior art, when carrying out polarization type switching, cut
It is longer to change the time, and mechanical structure has mechanical wear, reliability of structure is caused to reduce.
Summary of the invention
Based on this, it is necessary in view of the problems of the existing technology, provide a kind of switch speed faster, reliability it is higher
Polarizations switching device, method, storage medium and computer equipment.
A kind of polarizations switching device, comprising: structure is received and dispatched in polarizer, left-handed transmitting-receiving structure and dextrorotation;
The polarizer is connect with the left-handed transmitting-receiving structure, the letter to be launched for sending the left-handed transmitting-receiving structure
Number left-hand circular polarization wave is converted to by line polarization wave, and exported to antenna;And the reception signal for obtaining antenna is by left-handed circle
Polarized wave is converted to line polarization wave, and exports to the left-handed transmitting-receiving structure;
The polarizer is connect with dextrorotation transmitting-receiving structure, the letter to be launched for sending dextrorotation transmitting-receiving structure
Number right-handed circular polarization wave is converted to by line polarization wave, and exported to antenna;And the reception signal that antenna obtains is justified by dextrorotation
Polarized wave is converted to line polarization wave, and exports to the dextrorotation and receive and dispatch structure.
In one of the embodiments, the left-handed transmitting-receiving structure include: first duplexer, the first up-conversion amplifier,
First down coversion amplifier;
The first duplexer is connect with the polarizer, and the first duplexer is also put with first up-conversion respectively
Big device and the first down coversion amplifier connection, the first up-conversion amplifier are also connect with modulator, and described first
Down coversion amplifier is also connect with demodulator;
The first up-conversion amplifier is used to receive the signal to be transmitted that the modulator is sent, to the letter to be launched
Number carry out up-conversion and power amplification processing, and will treated that signal to be transmitted is sent to the first duplexer;It is described
First duplexer is for by treated, signal to be transmitted to be sent to the polarizer;
The first duplexer is also used to receive the reception signal that the polarizer is sent, and the reception signal is sent
To the first down coversion amplifier;The first down coversion amplifier be used for the receptions signal progress power amplification and
Down-converted, and reception signal is sent to the demodulator by treated;
The first duplexer is also used to carry out frequency isolation to the signal to be transmitted and the reception signal.
In one of the embodiments, dextrorotation transmitting-receiving structure include: the second duplexer, the second up-conversion amplifier,
Second down coversion amplifier;
Second duplexer is connect with the polarizer, and second duplexer is also put with second up-conversion respectively
Big device and the second down coversion amplifier connection, the second up-conversion amplifier is also connect with the modulator, described
Second down coversion amplifier is also connect with the demodulator;
The second up-conversion amplifier is used to receive the signal to be transmitted that the modulator is sent, to the letter to be launched
Number carry out up-conversion and power amplification processing, and will treated that signal to be transmitted is sent to second duplexer;It is described
Second duplexer is for by treated, signal to be transmitted to be sent to the polarizer;
Second duplexer is also used to receive the reception signal that the polarizer is sent, and the reception signal is sent
To the second down coversion amplifier;The second down coversion amplifier be used for the receptions signal progress power amplification and
Down-converted, and reception signal is sent to the demodulator by treated;
Second duplexer is used to carry out frequency isolation to the signal to be transmitted and the reception signal.
The polarizer is iris type polarizer in one of the embodiments,.
The first down coversion amplifier, the second down coversion amplifier are low noise in one of the embodiments,
Down coversion amplifier.
In one of the embodiments, further include: controller, the controller amplify with first up-conversion respectively
Device, the first down coversion amplifier, the second up-conversion amplifier, the second down coversion amplifier communication connection;
The controller is for controlling the first up-conversion amplifier, the first down coversion amplifier, described second
Up-conversion amplifier, the unlatching of the second down coversion amplifier and closed state.
A kind of polarizations switching method based on above-mentioned polarizations switching device, comprising:
The corresponding first circularly polarised wave type of signal to be transmitted is obtained, and receives the corresponding second circularly polarised wave class of signal
Type;
According to the first circularly polarised wave type, the second circularly polarised wave type, the in left-handed transmitting-receiving structure is adjusted
One up-conversion amplifier, the first down coversion amplifier and the second up-conversion amplifier in dextrorotation transmitting-receiving structure, the second lower change
The working condition of audio amplifier.
In one of the embodiments, according to the first circularly polarised wave type, the second circularly polarised wave type, adjustment
On second in the first up-conversion amplifier, the first down coversion amplifier and dextrorotation transmitting-receiving structure in left-handed transmitting-receiving structure
The working condition of frequency conversion amplifier, the second down coversion amplifier, comprising:
When the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is right-handed circular polarization
When wave, the first up-conversion amplifier is adjusted to open state, the first down coversion amplifier is adjusted to close shape
Second up-conversion amplifier adjustment is in off state, the second down coversion amplifier is adjusted to open state by state;
When the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is left-hand circular polarization
When wave, the first up-conversion amplifier adjustment is in off state, the first down coversion amplifier is adjusted to opening state
The second up-conversion amplifier is adjusted to open state by state, and the second down coversion amplifier adjustment is in off state;
When the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is left-hand circular polarization
When wave, the first up-conversion amplifier is adjusted to open state, the first down coversion amplifier is adjusted to opening state
Second up-conversion amplifier adjustment is in off state by state, and the second down coversion amplifier adjustment is in off state;
When the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is right-handed circular polarization
When wave, the first up-conversion amplifier adjustment is in off state, the first down coversion amplifier is adjusted to close shape
State, is adjusted to open state for the second up-conversion amplifier, and the second down coversion amplifier is adjusted to open state.
A kind of computer equipment, including memory and processor, the memory are stored with computer program, the processing
The step of device realizes the above method when executing the computer program.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
The step of above-mentioned method is realized when row.
Above-mentioned polarizations switching device, method, storage medium and computer equipment, polarizer are tied with left-handed transmitting-receiving respectively
Structure and dextrorotation transmitting-receiving structure connection, when carrying out satellite communication, according to the polarization type of signal to be transmitted and reception signal
Need to adjust the working condition of the transmitting-receiving structure of corresponding types, so that polarization type switches simpler convenience, and
Switching time is short, and switch speed is fast;In addition, the problem of since there is no mechanical wear, so that the reliability of device greatly improves.
Detailed description of the invention
Fig. 1 is the mechanical gear rotational structure schematic diagram for realizing polarization switching in the prior art;
Fig. 2 is the structural schematic diagram of polarizations switching device in one embodiment;
Fig. 3 is the instance graph of polarizations switching device in one embodiment;
Fig. 4 is the flow diagram of polarizations switching method in one embodiment;
Fig. 5 is in one embodiment when the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is
Working state schematic representation when right-handed circular polarization wave;
Fig. 6 is in one embodiment when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is
Working state schematic representation when left-hand circular polarization wave;
Fig. 7 is in one embodiment when the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is
Working state schematic representation when left-hand circular polarization wave;
Fig. 8 is in one embodiment when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is
Working state schematic representation when right-handed circular polarization wave.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Circularly polarised wave is then the common electromagnetic transmission mode of satellite communication field, and circularly polarised wave is the instantaneous of a constant amplitude
Rotating field, on the direction of propagation of circularly polarised wave, the endpoint trace of the instantaneous electric field vector of wave is a circle.If instantaneous electric field is sweared
Amount is rotated along the direction of propagation by the direction of left hand helix, referred to as left-hand circular polarization wave, is denoted as LHCP;Conversely, referred to as dextrorotation is round
Polarized wave is denoted as RHCP.Any polarized incoming wave can all be received by circular polarized antenna;Conversely, the entelechy of circular polarized antenna radiation
Changing wave can also be received by any polarized antenna, and therefore, circularly polarised wave is widely used in electronic reconnaissance and interference, satellite communication
Deng in application.
Current double-circle polarization ICBM SHF satellite terminal transceiver receives the polarization direction or switching transmitting of radiated wave in switching
When the polarization direction of radiated wave, the double-circle polarization device for needing to remove feed port is carried out after manually adjusting 90 degree, then reinstalls
It uses, whole process takes long time, and is not able to satisfy the application scenarios demand such as communication in moving completely.It is frequent to solve the above polarization switching
Dismounting polarizer problem manually, in the prior art, as shown in Figure 1, the mode for mostly using mechanical gear to rotate is realized, this polarization
Switching is switched to the time required for another polarization direction from a polarization direction and is at least 1 second due to being mechanical rotation
Clock, it is very high to the required precision of the mechanical dimensions such as gear due to being mechanical detent, for needing the scene of frequent switching, it is easy to make
At gear wear, leads to contraposition inaccuracy, so that polarizer and the Insertion Loss of radio-frequency plumbing mouth is become larger, the transmitting for eventually leading to system has
It imitates power (EIRP) value and received C/N value is deteriorated, in addition mechanical rotary polarization handover scheme can only realize transmitting-receiving while carry out
Switching for some special applications scenes, for example is received and dispatched and is all worked in same circular polarisation mode (LHCP or RHCP) using just aobvious
It obtains helpless.
In view of the deficiencies of the prior art, it is left-handed and right to provide a kind of satellite transceiver circular polarisation that electricity regulation is made by the application
Rotary-cut changing device, the device can both can control polarization switching by software instruction by software control, and control simple side
Just, polarization switching time less than 10 milliseconds, has high reliability and compact package size.
In one embodiment, as shown in Fig. 2, providing a kind of polarizations switching device, which can be applied to have
There is the transmitting-receiving integrated satellite communication terminal of double-circle polarization switching demand, which includes: polarizer 100, left-handed transmitting-receiving
Structure 300 is received and dispatched in structure 200 and dextrorotation;
Polarizer 100 is connect with left-handed transmitting-receiving structure 200, the signal to be transmitted for sending left-handed transmitting-receiving structure 200
Left-hand circular polarization wave is converted to by line polarization wave, and is exported to antenna;And the reception signal for obtaining antenna is by left-handed entelechy
Change wave and be converted to line polarization wave, and exports to left-handed transmitting-receiving structure 200;
Polarizer 100 is connect with dextrorotation transmitting-receiving structure 300, the signal to be transmitted for sending dextrorotation transmitting-receiving structure 300
Right-handed circular polarization wave is converted to by line polarization wave, and is exported to antenna;And the reception signal for obtaining antenna is by dextrorotation entelechy
Change wave and be converted to line polarization wave, and exports to dextrorotation and receive and dispatch structure 300.
With reference to Fig. 2, polarizer 100 is also connect with antenna, left-handed transmitting-receiving structure 200 also respectively with modulator and demodulator
Connection, dextrorotation transmitting-receiving structure 300 are also connect with modulator and demodulator respectively.Wherein, modulator, which refers to, passes through signal processing
Low-frequency digital signal (such as audio, video, data) is modulated in high frequency analog signals, to carry out signal transmission by technology
Equipment;Demodulator refers to the equipment that the modulated signal of frequency analog is demodulated to digital signal.
When carrying out satellite communication, if desired carrying out signal transmitting, then signal to be transmitted is sent to modulator first, by
It is connect respectively with left-handed transmitting-receiving structure 200 and dextrorotation transmitting-receiving structure 300 in modulator, therefore can be according to signal to be transmitted
Polarization type control modulator by modulated signal be sent to left-handed transmitting-receiving structure 200 or dextrorotation transmitting-receiving structure 300, then by
Corresponding left-handed transmitting-receiving structure 200 or dextrorotation transmitting-receiving structure 300 send the signal to polarizer 100.If polarizer 100 receives
Signal be to be sent by left-handed transmitting-receiving structure 200, then polarizer 100 is converted to received signal to be transmitted by line polarization wave
Left-hand circular polarization wave, and export to antenna to carry out signal transmitting;If 100 received signal of polarizer is to receive and dispatch structure by dextrorotation
300 transmissions, then received signal to be transmitted is converted to right-handed circular polarization wave by line polarization wave by polarizer 100, and is exported extremely
Antenna is to carry out signal transmitting.
When carrying out satellite communication, signal reception is if desired carried out, antenna obtains first receives signal, and will receive signal
It is sent to polarizer 100, left-hand circular polarization wave and right-handed circular polarization wave can be divided by receiving signal, and polarizer 100 connects in acquisition
After the collection of letters number, signal will be received and be converted to line polarization wave, and is sent to left-handed transmitting-receiving structure 200 or dextrorotation transmitting-receiving structure 300.
Specifically, if reception signal is left-hand circular polarization wave, polarizer 100 will receive signal and be converted to line pole by left-hand circular polarization wave
After changing wave, send it to left-handed transmitting-receiving structure 200, then by left-handed transmitting-receiving structure 200 will reception signal be sent to demodulator into
Row signal receives;If reception signal is right-handed circular polarization wave, polarizer 100 will receive signal and is converted to by right-handed circular polarization wave
After line polarization wave, dextrorotation transmitting-receiving structure 300 is sent it to, then be sent to demodulation for signal is received by dextrorotation transmitting-receiving structure 300
Device carries out signal reception.
The present embodiment provides a kind of polarizations switching device, polarizer is received and dispatched with left-handed transmitting-receiving structure and dextrorotation respectively
Structure connection needs to adjust corresponding class according to signal to be transmitted and the polarization type for receiving signal when carrying out satellite communication
The working condition of the transmitting-receiving structure of type, so that polarization type switches simpler convenience, and switching time is short, switching
Speed is fast;In addition, the problem of since there is no mechanical wear, so that the reliability of device greatly improves.
In one embodiment, with reference to Fig. 2, left-handed transmitting-receiving structure 200 includes: that first duplexer 210, the first up-conversion are put
Big device 220, the first down coversion amplifier 230;
First duplexer 210 is connect with polarizer 100, first duplexer 210 also respectively with the first up-conversion amplifier 220
And first down coversion amplifier 230 connect, the first up-conversion amplifier 220 also connect with modulator, and the first down coversion is amplified
Device 230 is also connect with demodulator.Specifically, modulator is connect with the input port of the first up-conversion amplifier 220, is become on first
The output port of audio amplifier 220 is connect with the emission port of first duplexer 210, the public port of first duplexer 210 with
The left-handed port of polarizer 100 connects, and the public port of polarizer 100 is connect with antenna, the receiving port of first duplexer 210
It is connect with the input port of the first down coversion amplifier 230, the output port and demodulator of the first down coversion amplifier 230 connect
It connects.
First up-conversion amplifier 220 is used to receive the signal to be transmitted of modulator transmission, carries out to signal to be transmitted
Frequency conversion and power amplification processing, and signal to be transmitted is sent to first duplexer 210 by treated;First duplexer 210
For by treated, signal to be transmitted to be sent to polarizer 100.Modulator output is mostly L segment signal, and frequency is usually
950MHz-1950MHz carries out upconversion process by the first up-conversion amplifier 220, signal frequency can be adjusted to antenna
The frequency that can be radiated, for example, for Ka wave band, usually 27.5GHz-31GHz, and by being carried out to the signal after up-conversion
Power amplification is simultaneously transferred to antenna feed through waveguide, achievees the purpose that signal modulation and transmitting.
First duplexer 210 is also used to receive the reception signal of the transmission of polarizer 100, and is sent to first for signal is received
Down coversion amplifier 230;First down coversion amplifier 230 is used to carry out power amplification and down-converted to reception signal,
And reception signal is sent to demodulator by treated;
First duplexer 210 is also used to signal to be transmitted and receives signal progress frequency isolation.Specifically, first pair
Work device 210 can inhibit to emit interference of the signal to the first down coversion amplifier 230, prevent transmitting high-power signal from making under first
Frequency conversion amplifier 230 enters saturated, causes increase or the linear deterioration of noise coefficient, while duplexer has pole
Low Insertion Loss guarantees to receive low-noise factor and effective transmission power.
In one embodiment, with reference to Fig. 2, dextrorotation transmitting-receiving structure 300 includes: that the second duplexer 310, the second up-conversion are put
Big device 320, the second down coversion amplifier 330;
Second duplexer 310 is connect with polarizer 100, the second duplexer 310 also respectively with the second up-conversion amplifier 320
And second down coversion amplifier 330 connect, the second up-conversion amplifier 320 also connect with modulator, and the second down coversion is amplified
Device 330 is also connect with demodulator;
Specifically, modulator is connect with the input port of the second up-conversion amplifier 320, the second up-conversion amplifier 320
Output port connect with the emission port of the second duplexer 310, the public port of the second duplexer 310 and polarizer 100
The connection of dextrorotation port, the public port of polarizer 100 are connect with antenna, the receiving port of the second duplexer 310 and the second lower change
The input port of audio amplifier 330 connects, and the output port of the second down coversion amplifier 330 is connect with demodulator.
Second up-conversion amplifier 320 is used to receive the signal to be transmitted of modulator transmission, carries out to signal to be transmitted
Frequency conversion and power amplification processing, and signal to be transmitted is sent to the second duplexer 310 by treated;Second duplexer 310
For by treated, signal to be transmitted to be sent to polarizer 100;Modulator output is mostly L segment signal, and frequency is usually
950MHz-1950MHz carries out upconversion process by the second up-conversion amplifier 320, signal frequency can be adjusted to antenna
The frequency that can be radiated, for example, for Ka wave band, usually 27.5GHz-31GHz, and by being carried out to the signal after up-conversion
Power amplification is simultaneously transferred to antenna feed through waveguide, achievees the purpose that signal modulation and transmitting.
Second duplexer 310 is also used to receive the reception signal of the transmission of polarizer 100, and is sent to second for signal is received
Down coversion amplifier 330;Second down coversion amplifier 330 is used to carry out power amplification and down-converted to reception signal,
And reception signal is sent to demodulator by treated;
Second duplexer 310 is used for signal to be transmitted and receives signal progress frequency isolation.Specifically, the second duplex
Device 310 can inhibit to emit interference of the signal to the second down coversion amplifier 330, prevent transmitting high-power signal from making the second lower change
Audio amplifier 330 enters saturated, causes increase or the linear deterioration of noise coefficient, while duplexer is with extremely low
Insertion Loss, guarantee to receive low-noise factor and effective transmission power.
In one embodiment, polarizer 100 is iris type polarizer.Iris type polarizer can be converted to line polarization wave
Circularly polarised wave, then it is transferred to the feed port of antenna, iris type polarizer can receive antenna as lossless reciprocal element
To circularly polarised wave be converted to line polarization wave and export.Relative to the polarizer of other forms, partition circular polarizer has work
The advantages that with wide, processing technology is simple, design structure is compact, performance indicator is excellent, and resistance to power is high.
In one embodiment, the first down coversion amplifier 230, the second down coversion amplifier 330 are low noise down coversion
Amplifier.Low noise down coversion amplifier is the down coversion amplifier with extremely low noise coefficient and high-gain, can will be received
To faint satellite-signal almost undistorted amplification and be converted to L-band, usually 950MHz-1950MHz, and export extremely
Demodulator achievees the purpose that signal receives demodulation.
In one embodiment, polarizations switching device further include: controller (not shown), controller difference
Amplify with the first up-conversion amplifier 220, the first down coversion amplifier 230, the second up-conversion amplifier 320, the second down coversion
Device 330 communicates to connect;
Controller is for controlling the first up-conversion amplifier 220, the first down coversion amplifier 230, the amplification of the second up-conversion
Device 320, the unlatching of the second down coversion amplifier 330 and closed state.The working condition of above-mentioned device is controlled by controller,
The polarization type switching of signal may be implemented.
In one embodiment, as shown in figure 3, being the instance graph of the polarizations switching device of the application, including polarization
Device 100 (specifically can be iris type polarizer), first duplexer 210, the first up-conversion amplifier 220, the first down coversion are put
Big device 230 (specifically can be low noise down coversion amplifier), the second duplexer 310, the second up-conversion amplifier 320, second
Down coversion amplifier 330 (specifically can be low noise down coversion amplifier), other devices are not shown.
In the present embodiment, connection type one defined in the connection method and the various embodiments described above between above-mentioned each device
It causes.
Further, the present embodiment is defined the setting orientation (installation site) of polarizer 100, specifically, reference
Fig. 3 is provided with groove 110 on iris type polarizer shown in figure, first duplexer 210, the amplification of the first up-conversion is arranged
Device 220, the first down coversion amplifier 230, the second duplexer 310, the second up-conversion amplifier 320, the second down coversion amplifier
330 plane be horizontal plane, then in each embodiment of the application, limit groove 110 along the horizontal plane upwardly direction as iris type pole
Change the setting orientation (installation site) of device.
It is further to note that the setting orientation (installation site) of iris type polarizer is also possible to groove 110 along water
Plane downwardly direction, but need the function to each structure of the application device, working method progress phase according to the actual situation
The adjustment answered.
In one embodiment, it is filled as shown in figure 4, providing a kind of switch based on polarizations described in the various embodiments described above
The polarizations switching method set, limit the groove of iris type polarizer along the horizontal plane upwardly direction as iris type polarizer
Orientation is set, method includes the following steps:
Step S100 obtains the corresponding first circularly polarised wave type of signal to be transmitted, and receives signal corresponding second
Circularly polarised wave type;
Step S200 adjusts the in left-handed transmitting-receiving structure according to the first circularly polarised wave type, the second circularly polarised wave type
One up-conversion amplifier, the first down coversion amplifier and the second up-conversion amplifier in dextrorotation transmitting-receiving structure, the second lower change
The working condition of audio amplifier.
Polarizations switching method provided in this embodiment, can be applied to the controller in polarizations switching device,
Controller is by controlling the first up-conversion amplifier, the first down coversion amplifier and dextrorotation transmitting-receiving in left-handed transmitting-receiving structure
The working condition of the second up-conversion amplifier, the second down coversion amplifier in structure, the polarization that sending and receiving signal can be realized are cut
It changes.
It should be understood that although each step in the flow chart of Fig. 4 is successively shown according to the instruction of arrow, this
A little steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these steps
It executes there is no the limitation of stringent sequence, these steps can execute in other order.Moreover, at least part in Fig. 4
Step may include that perhaps these sub-steps of multiple stages or stage are executed in synchronization to multiple sub-steps
It completes, but can execute at different times, the execution sequence in these sub-steps or stage, which is also not necessarily, successively to be carried out,
But it can be executed in turn or alternately at least part of the sub-step or stage of other steps or other steps.
In one embodiment, limit the groove of iris type polarizer along the horizontal plane upwardly direction as iris type polarizer
Setting orientation adjust and become on first in left-handed transmitting-receiving structure according to the first circularly polarised wave type, the second circularly polarised wave type
Audio amplifier, the first down coversion amplifier and the second up-conversion amplifier in dextrorotation transmitting-receiving structure, the amplification of the second down coversion
The working condition of device, including following four situation:
(1) when the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave,
First up-conversion amplifier is adjusted to open state, the adjustment of the first down coversion amplifier is in off state, will be become on second
Audio amplifier adjustment is in off state, and the second down coversion amplifier is adjusted to open state;
Specifically, as shown in Figure 5 (for ease of understanding, the device of closed state is not shown), when carrying out signal transmitting, to
Emit signal via after modulator enter the first up-conversion amplifier 220, the first up-conversion amplifier 220 to signal to be transmitted into
Row up-conversion and power amplification processing, and by treated, signal to be transmitted is sent to first duplexer 210, first duplexer
210 will treated that signal to be transmitted is sent to polarizer 100, polarizer 100 is by received signal to be transmitted by line polarization wave
Left-hand circular polarization wave is converted to, and is exported to antenna to carry out signal transmitting.
When carrying out signal reception, polarizer 100 will receive signal and be converted to after obtaining the reception signal that antenna is sent
Line polarization wave, and the second duplexer 310 being sent in dextrorotation transmitting-receiving structure 300, the second duplexer 310 receive polarizer 100
The reception signal of transmission, and the second down coversion amplifier 330 is sent to by signal is received;The docking of second down coversion amplifier 330
It collects mail and number carries out power amplification and a down-converted, and will treated receives signal and be sent to demodulator and connect with carrying out signal
It receives.
In the current situation, controller is by controlling the first up-conversion amplifier in left-handed transmitting-receiving structure, the first lower change
The working condition of audio amplifier and the second up-conversion amplifier, the second down coversion amplifier in dextrorotation transmitting-receiving structure
Realize the polarization switching of sending and receiving signal.At this point, transmitting terminal work, in left-hand circular polarization (LHCP) mode, receiving end works in dextrorotation
Circular polarisation (RHCP) mode, transmitting-receiving direction of an electric field intersect, and receiving and transmitting signal, which has, intersects isolation characteristic, so as to increase transmitting-receiving letter
Number isolation.
(2) when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave,
The adjustment of first up-conversion amplifier is in off state, the first down coversion amplifier is adjusted to open state, will be become on second
Audio amplifier is adjusted to open state, and the adjustment of the second down coversion amplifier is in off state;
Specifically, as shown in fig. 6, when carrying out signal transmitting, signal to be transmitted via after modulator enter second on become
Audio amplifier 320, the second up-conversion amplifier 320 carries out up-conversion to signal to be transmitted and power amplification is handled, and will place
Signal to be transmitted after reason is sent to the second duplexer 310, and by treated, signal to be transmitted is sent extremely the second duplexer 310
Change device 100, received signal to be transmitted is converted to right-handed circular polarization wave by line polarization wave by polarizer 100, and is exported to antenna
To carry out signal transmitting.
When carrying out signal reception, polarizer 100 will receive signal and be converted to after obtaining the reception signal that antenna is sent
Line polarization wave, and the first duplexer 210 being sent in left-handed transmitting-receiving structure 200, first duplexer 210 receive polarizer 100
The reception signal of transmission, and the first down coversion amplifier 230 is sent to by signal is received;The docking of first down coversion amplifier 230
It collects mail and number carries out power amplification and a down-converted, and will treated receives signal and be sent to demodulator and connect with carrying out signal
It receives.
In the current situation, controller is by controlling the first up-conversion amplifier in left-handed transmitting-receiving structure, the first lower change
The working condition of audio amplifier and the second up-conversion amplifier, the second down coversion amplifier in dextrorotation transmitting-receiving structure
Realize the polarization switching of sending and receiving signal.At this point, transmitting terminal work, in right-handed circular polarization (RHCP) mode, receiving end works left-handed
Circular polarisation (LHCP) mode, transmitting-receiving direction of an electric field intersect, and receiving and transmitting signal, which has, intersects isolation characteristic, so as to increase transmitting-receiving letter
Number isolation.
(3) when the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave,
First up-conversion amplifier is adjusted to open state, the first down coversion amplifier is adjusted to open state, will be become on second
Audio amplifier adjustment is in off state, and the adjustment of the second down coversion amplifier is in off state;
Specifically, as shown in fig. 7, when carrying out signal transmitting, signal to be transmitted via after modulator enter first on become
Audio amplifier 220, the first up-conversion amplifier 220 carries out up-conversion to signal to be transmitted and power amplification is handled, and will place
Signal to be transmitted after reason is sent to first duplexer 210, and by treated, signal to be transmitted is sent extremely first duplexer 210
Change device 100, received signal to be transmitted is converted to left-hand circular polarization wave by line polarization wave by polarizer 100, and is exported to antenna
To carry out signal transmitting.
When carrying out signal reception, polarizer 100 will receive signal and be converted to after obtaining the reception signal that antenna is sent
Line polarization wave, and the first duplexer 210 being sent in left-handed transmitting-receiving structure 200, first duplexer 210 receive polarizer 100
The reception signal of transmission, and the first down coversion amplifier 230 is sent to by signal is received;The docking of first down coversion amplifier 230
It collects mail and number carries out power amplification and a down-converted, and will treated receives signal and be sent to demodulator and connect with carrying out signal
It receives.
In the current situation, controller is by controlling the first up-conversion amplifier in left-handed transmitting-receiving structure, the first lower change
The working condition of audio amplifier and the second up-conversion amplifier, the second down coversion amplifier in dextrorotation transmitting-receiving structure
Realize the polarization switching of sending and receiving signal.At this point, transmitting terminal work, in left-hand circular polarization (LHCP) mode, receiving end works left-handed
Circular polarisation (LHCP) mode, transmitting-receiving direction of an electric field are same polarization direction.
(4) when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave,
The adjustment of first up-conversion amplifier is in off state, the adjustment of the first down coversion amplifier is in off state, will be become on second
Audio amplifier is adjusted to open state, and the second down coversion amplifier is adjusted to open state.
Specifically, as shown in figure 8, when carrying out signal transmitting, signal to be transmitted via after modulator enter second on become
Audio amplifier 320, the second up-conversion amplifier 320 carries out up-conversion to signal to be transmitted and power amplification is handled, and will place
Signal to be transmitted after reason is sent to the second duplexer 310, and by treated, signal to be transmitted is sent extremely the second duplexer 310
Change device 100, received signal to be transmitted is converted to right-handed circular polarization wave by line polarization wave by polarizer 100, and is exported to antenna
To carry out signal transmitting.
When carrying out signal reception, polarizer 100 will receive signal and be converted to after obtaining the reception signal that antenna is sent
Line polarization wave, and the second duplexer 310 being sent in dextrorotation transmitting-receiving structure 300, the second duplexer 310 receive polarizer 100
The reception signal of transmission, and the second down coversion amplifier 330 is sent to by signal is received;The docking of second down coversion amplifier 330
It collects mail and number carries out power amplification and a down-converted, and will treated receives signal and be sent to demodulator and connect with carrying out signal
It receives.
In the current situation, controller is by controlling the first up-conversion amplifier in left-handed transmitting-receiving structure, the first lower change
The working condition of audio amplifier and the second up-conversion amplifier, the second down coversion amplifier in dextrorotation transmitting-receiving structure
Realize the polarization switching of sending and receiving signal.At this point, transmitting terminal work, in right-handed circular polarization (RHCP) mode, receiving end works in dextrorotation
Circular polarisation (RHCP) mode, transmitting-receiving direction of an electric field are same polarization direction.
Polarizations switching method provided by the present embodiment, controller is by controlling on first in left-handed transmitting-receiving structure
Frequency conversion amplifier, the first down coversion amplifier and the second up-conversion amplifier in dextrorotation transmitting-receiving structure, the second down coversion are put
The working condition of big device, can be achieved with the switching of transmitting-receiving left-hand circular polarization mode or right-handed circular polarization mode, can also realize receipts
Signalling cross polarization or same polarization switching, polarization combination mode is flexible, can carry out selection collocation according to actual needs.
In one embodiment, can the setting orientation to iris type polarizer be adjusted, specifically can be set to every
The groove of board-like polarizer downwardly direction along the horizontal plane, at this point, the control strategy of controller is as follows:
(1) when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave,
First up-conversion amplifier is adjusted to open state, the adjustment of the first down coversion amplifier is in off state, will be become on second
Audio amplifier adjustment is in off state, and the second down coversion amplifier is adjusted to open state;
(2) when the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave,
The adjustment of first up-conversion amplifier is in off state, the first down coversion amplifier is adjusted to open state, will be become on second
Audio amplifier is adjusted to open state, and the adjustment of the second down coversion amplifier is in off state;
(3) when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave,
First up-conversion amplifier is adjusted to open state, the first down coversion amplifier is adjusted to open state, will be become on second
Audio amplifier adjustment is in off state, and the adjustment of the second down coversion amplifier is in off state;
(4) when the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave,
The adjustment of first up-conversion amplifier is in off state, the adjustment of the first down coversion amplifier is in off state, will be become on second
Audio amplifier is adjusted to open state, and the second down coversion amplifier is adjusted to open state.
In one embodiment, a kind of computer equipment, including memory and processor are provided, memory is stored with calculating
Machine program, processor performs the steps of when executing computer program obtains the corresponding first circularly polarised wave class of signal to be transmitted
Type, and receive the corresponding second circularly polarised wave type of signal;According to the first circularly polarised wave type, the second circularly polarised wave type,
Adjust the in the first up-conversion amplifier, the first down coversion amplifier and the dextrorotation transmitting-receiving structure in left-handed transmitting-receiving structure
The working condition of two up-conversion amplifiers, the second down coversion amplifier.
In one embodiment, it is also performed the steps of when processor executes computer program when the first circularly polarised wave class
When type is left-hand circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave, the first up-conversion amplifier is adjusted to out
State is opened, the adjustment of the first down coversion amplifier is in off state, the adjustment of the second up-conversion amplifier is in off state, by the
Two down coversion amplifiers are adjusted to open state;
It, will when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave
The adjustment of first up-conversion amplifier is in off state, and the first down coversion amplifier is adjusted to open state, by the second up-conversion
Amplifier is adjusted to open state, and the adjustment of the second down coversion amplifier is in off state;
It, will when the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave
First up-conversion amplifier is adjusted to open state, the first down coversion amplifier is adjusted to open state, by the second up-conversion
Amplifier adjustment is in off state, and the adjustment of the second down coversion amplifier is in off state;
It, will when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave
The adjustment of first up-conversion amplifier is in off state, and the adjustment of the first down coversion amplifier is in off state, by the second up-conversion
Amplifier is adjusted to open state, and the second down coversion amplifier is adjusted to open state.
A kind of computer readable storage medium is stored thereon with computer program, when computer program is executed by processor
It performs the steps of and obtains the corresponding first circularly polarised wave type of signal to be transmitted, and receive corresponding second entelechy of signal
Change wave type;According to the first circularly polarised wave type, the second circularly polarised wave type, the first up-conversion in left-handed transmitting-receiving structure is adjusted
Amplifier, the first down coversion amplifier and the second up-conversion amplifier, the second down coversion amplifier in dextrorotation transmitting-receiving structure
Working condition.
In one embodiment, it also performs the steps of when computer program is executed by processor when the first circularly polarised wave
When type is left-hand circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave, the first up-conversion amplifier is adjusted to
The adjustment of first down coversion amplifier is in off state by open state, and the adjustment of the second up-conversion amplifier is in off state, will
Second down coversion amplifier is adjusted to open state;
It, will when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave
The adjustment of first up-conversion amplifier is in off state, and the first down coversion amplifier is adjusted to open state, by the second up-conversion
Amplifier is adjusted to open state, and the adjustment of the second down coversion amplifier is in off state;
It, will when the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave
First up-conversion amplifier is adjusted to open state, the first down coversion amplifier is adjusted to open state, by the second up-conversion
Amplifier adjustment is in off state, and the adjustment of the second down coversion amplifier is in off state;
It, will when the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave
The adjustment of first up-conversion amplifier is in off state, and the adjustment of the first down coversion amplifier is in off state, by the second up-conversion
Amplifier is adjusted to open state, and the second down coversion amplifier is adjusted to open state.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, computer program can be stored in a non-volatile computer and can be read
In storage medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the application
To any reference of memory, storage, database or other media used in provided each embodiment, may each comprise non-
Volatibility and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM (PROM),
Electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include arbitrary access
Memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms, such as static
RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhanced SDRAM
(ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) directly RAM (RDRAM), straight
Connect memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of polarizations switching device characterized by comprising polarizer, left-handed transmitting-receiving structure and dextrorotation transmitting-receiving knot
Structure;
The polarizer is connect with the left-handed transmitting-receiving structure, for by it is described it is left-handed transmitting-receiving structure send signal to be transmitted by
Line polarization wave is converted to left-hand circular polarization wave, and exports to antenna;And the reception signal for obtaining antenna is by left-hand circular polarization
Wave is converted to line polarization wave, and exports to the left-handed transmitting-receiving structure;
The polarizer and the dextrorotation transmitting-receiving structure connects, for by the signal to be transmitted of dextrorotation transmitting-receiving structure transmission by
Line polarization wave is converted to right-handed circular polarization wave, and exports to antenna;And the reception signal for obtaining antenna is by right-handed circular polarization
Wave is converted to line polarization wave, and exports to the dextrorotation and receive and dispatch structure.
2. the apparatus according to claim 1, which is characterized in that the left-handed transmitting-receiving structure includes: first duplexer, first
Up-conversion amplifier, the first down coversion amplifier;
The first duplexer is connect with the polarizer, the first duplexer also respectively with the first up-conversion amplifier
And the first down coversion amplifier connection, the first up-conversion amplifier are also connect with modulator, the described first lower change
Audio amplifier is also connect with demodulator;
The first up-conversion amplifier is used to receive the signal to be transmitted that the modulator is sent, to the signal to be transmitted into
Row up-conversion and power amplification processing, and signal to be transmitted is sent to the first duplexer by treated;Described first
Duplexer is for by treated, signal to be transmitted to be sent to the polarizer;
The first duplexer is also used to receive the reception signal that the polarizer is sent, and the reception signal is sent to institute
State the first down coversion amplifier;The first down coversion amplifier is used to carry out power amplification and lower change to the reception signal
Frequency is handled, and reception signal is sent to the demodulator by treated;
The first duplexer is also used to carry out frequency isolation to the signal to be transmitted and the reception signal.
3. the apparatus of claim 2, which is characterized in that the dextrorotation transmitting-receiving structure includes: the second duplexer, second
Up-conversion amplifier, the second down coversion amplifier;
Second duplexer is connect with the polarizer, second duplexer also respectively with the second up-conversion amplifier
And the second down coversion amplifier connection, the second up-conversion amplifier are also connect with the modulator, described second
Down coversion amplifier is also connect with the demodulator;
The second up-conversion amplifier is used to receive the signal to be transmitted that the modulator is sent, to the signal to be transmitted into
Row up-conversion and power amplification processing, and signal to be transmitted is sent to second duplexer by treated;Described second
Duplexer is for by treated, signal to be transmitted to be sent to the polarizer;
Second duplexer is also used to receive the reception signal that the polarizer is sent, and the reception signal is sent to institute
State the second down coversion amplifier;The second down coversion amplifier is used to carry out power amplification and lower change to the reception signal
Frequency is handled, and reception signal is sent to the demodulator by treated;
Second duplexer is used to carry out frequency isolation to the signal to be transmitted and the reception signal.
4. device according to claim 1 or 2 or 3, which is characterized in that the polarizer is iris type polarizer.
5. device according to claim 3, which is characterized in that the first down coversion amplifier, second down coversion
Amplifier is low noise down coversion amplifier.
6. device according to claim 3, which is characterized in that further include: controller, the controller is respectively with described
One up-conversion amplifier, the first down coversion amplifier, the second up-conversion amplifier, the second down coversion amplifier
Communication connection;
The controller is for controlling the first up-conversion amplifier, the first down coversion amplifier, becoming on described second
Audio amplifier, the unlatching of the second down coversion amplifier and closed state.
7. a kind of polarizations switching method based on polarizations switching device described in any one of claims 1-6, special
Sign is, comprising:
The corresponding first circularly polarised wave type of signal to be transmitted is obtained, and receives the corresponding second circularly polarised wave type of signal;
According to the first circularly polarised wave type, the second circularly polarised wave type, adjust on first in left-handed transmitting-receiving structure
Frequency conversion amplifier, the first down coversion amplifier and the second up-conversion amplifier in dextrorotation transmitting-receiving structure, the second down coversion are put
The working condition of big device.
8. the method according to the description of claim 7 is characterized in that according to the first circularly polarised wave type, second circle
Polarized wave type adjusts the first up-conversion amplifier, the first down coversion amplifier and dextrorotation transmitting-receiving in left-handed transmitting-receiving structure
The working condition of the second up-conversion amplifier, the second down coversion amplifier in structure, comprising:
When the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave
When, the first up-conversion amplifier is adjusted to open state, the first down coversion amplifier adjustment is in off state,
Second up-conversion amplifier adjustment is in off state, the second down coversion amplifier is adjusted to open state;
When the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave
When, the first up-conversion amplifier adjustment is in off state, the first down coversion amplifier is adjusted to open state,
The second up-conversion amplifier is adjusted to open state, the second down coversion amplifier adjustment is in off state;
When the first circularly polarised wave type is left-hand circular polarization wave, the second circularly polarised wave type is left-hand circular polarization wave
When, the first up-conversion amplifier is adjusted to open state, the first down coversion amplifier is adjusted to open state,
Second up-conversion amplifier adjustment is in off state, the second down coversion amplifier adjustment is in off state;
When the first circularly polarised wave type is right-handed circular polarization wave, the second circularly polarised wave type is right-handed circular polarization wave
When, the first up-conversion amplifier adjustment is in off state, the first down coversion amplifier adjustment is in off state,
The second up-conversion amplifier is adjusted to open state, the second down coversion amplifier is adjusted to open state.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In when the processor executes the computer program the step of any one of realization claim 7 to 8 the method.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claim 7 to 8 is realized when being executed by processor.
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