CN106252887B - A kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna - Google Patents
A kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna Download PDFInfo
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- CN106252887B CN106252887B CN201610808602.9A CN201610808602A CN106252887B CN 106252887 B CN106252887 B CN 106252887B CN 201610808602 A CN201610808602 A CN 201610808602A CN 106252887 B CN106252887 B CN 106252887B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
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- Computer Networks & Wireless Communication (AREA)
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna, which includes dual-polarized antenna array, the transmitting-receiving subassembly with Double RF channel polarization modulation function, transmitting-receiving feeding network, control and bus plane, braced frame, radiator and structural acessory etc..The present invention carries out dual-linear polarization antenna element independent polarization adjustment technology inside transmitting-receiving subassembly, the road the N horizontal polarization signals received and vertical polarization signal are become into the road N signal by polarization modulation, become 1 road signal after signal synthesizes, the shortcomings that width phase control for being conducive to polarization modulation signal, the signal width after avoiding signal from first synthesizing should not mutually control.By no cable connection between the multiple modules of this antenna, bulk is efficiently used, system is using phased-array technique progress spatial beams scanning, it can be achieved that the high-speed traffic with satellite system.
Description
Technical field
Technical field of the present invention covers radar, communication, navigation, electronic warfare, detects receipts and remote-control romote-sensing etc., specifically
For a kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna.Invention is also particularly suited for use in carry out satellite on dynamic load body
When communication, the satellite communication terminal phased array antenna system of the functions such as satellite-signal fast Acquisition, tracking, polarization modulation is carried out in time
System.
Background technique
In satellite communication, traditional antenna form is reflector antenna and flat plate array antenna, such antenna exists at present
Communications Market occupies most share.As the growth requirement of electronic information and the movement velocity of dynamic load body are more next
Faster, the phased array antenna that low section is installed on the platform of high-speed motion becomes a kind of trend, and China is each logical at present
The urgent need that letter ICBM SHF satellite terminal user proposes antenna system.In China, the satellite communication of Ku frequency range is one important
Communication spectrum uses linear polarization in the frequency range, satellite, wherein receiving frequency and tranmitting frequency as mutually perpendicular polarization
Form, in most of occasion, due to factors such as the position of terminal antenna, postures, the polarization of aerial signal on ground and is defended
The polarization mismatch of star signal, it is therefore desirable to carry out polarization modulation in due course.In previous Ku band satellite communication antenna, root
According to the difference of antenna form, there are many modes for the mode of polarization modulation:
1, traditional reflector antenna has the characteristics that high-gain, manufacturing cost are low, but its volume is heavy, dismounts not
Just, tracking velocity it is slow etc. there are biggish disadvantages, and its polarization modulation mode is the polarized Feed Horn of rotational line, this
Mode speed is slower, cannot well adapt to the demand of high maneuverability platform.
2, flat plate array antenna has the advantages that combined coefficient is high, easy to process, array beams synthesis is flexible, mechanical
There are beam positions to be easy the shortcomings that deviateing predetermined direction in terms of tracking mode, and polarization modulation mode is that flat plate array is divided into phase
Deng four parts, using signal synthesis by the way of carry out polarization modulation, this mode relies on the piecemeal of front, to the width of signal
Consistent property is more demanding.
3, one-dimensional active phase array antenna, the antenna of this kind of system taken into account mechanical scanning antennas with mutually sweep the excellent of antenna
Point, and the shortcomings that gain scan loss is not present on azimuth plane, but it is also relatively slow in the development of satellite communication field, it is main
If due to the mechanism for still having mechanical scanning, the disadvantage slow there is also polarization mismatch and tracking velocity to high speed platform.
Summary of the invention
It is an object of the invention to avoid the shortcoming in above-mentioned background technique, a kind of satellite communication transmitting-receiving subassembly is provided
And bidimensional active phase array antenna system, the system is fast with no mechanical servo, wave beam deflection speed, and polarization modulation is fast,
The advantages that quickly tracking can be achieved, has very high future in engineering applications.
The technical scheme adopted by the invention is as follows: a kind of satellite communication transmitting-receiving subassembly, including 2N radio-frequency channel 10, polarization
Adjustment circuit and signal synthesize port 12；The vertical polarization channel and horizontal polarization channel of N number of dual polarized antenna unit respectively with
2N radio-frequency channel 10 connects one to one；Polarization modulation circuit will be received in 2N radio-frequency channel 10 per two adjacent channels
Dual polarized signals carry out the signal after the polarization modulation output road N polarization modulation, the signal after the polarization modulation of the road N is synthesized through signal
Network synthesizes 1 road signal, which exports through signal synthesis port 12；Wherein, N is the natural number more than or equal to 1；
After externally input radiofrequency signal is divided into the road N by the signal distribution network of polarization modulation circuit, every it will penetrate all the way
It is divided into identical two paths of signals after frequency signal phase shift, and is adjusted according to amplitude and phase of the communication requirement to two paths of signals,
Two paths of signals adjusted is gone out by dual polarization antenna radiation.
Wherein, the polarization modulation circuit includes that 3N switch, 4N filter, 2N low noise, 2N power are put
Big device, 6N phase shifter, N number of 2 close 1 combiner, N number of 1 point of 2 splitter and signal synthesize/distribute network；Vertical polarization signal and
Horizontal polarization signals are distinguished under the control respectively switched successively after filtering, low noise amplification and phase shift, by 2 tunnels after phase shift
Signal closes 1 combiner through 2 and synthesizes 1 tunnel radiofrequency signal, and the road N radiofrequency signal corresponds N number of phase shifter through receiving channel and moved
After phase respectively by switch be input to signal synthesize/distribute network；Signal synthesizes/distributes network and is divided into the radiofrequency signal received
Behind the road N through it is N number of switch correspond be output to hair channel N number of phase shifter carry out phase shift processing, every road phase shift treated letter
Number it is divided into identical 2 tunnel radiofrequency signal through 1 point of 2 splitter, every road radiofrequency signal is successively shifted, passes through after power amplification and filtering
Switch is exported to dual polarized antenna unit.
A kind of satellite communication bidimensional active phase array antenna, including dual-polarized antenna array 2, M transmitting-receiving subassembly 3 and transmitting-receiving
Feeding network 4, dual-polarized antenna array 2 are made of M × N number of dual polarized antenna unit, it is characterised in that: per N number of dual polarization day
The vertical polarization channel and horizontal polarization channel of line unit are corresponded with the 2N radio-frequency channel 10 of transmitting-receiving subassembly 3 respectively to be connected
It connects；The signal synthesis port 12 of transmitting-receiving subassembly 3 is connected with the radio frequency interface 14 for receiving and dispatching feeding network 4.
Wherein, the M × N number of dual polarized antenna unit forms dual-polarized antenna array 2 according to default arrangement mode, double
Polarized antenna arrays 2 are connected by cable or quick connector with transmitting-receiving subassembly 3, and dual-polarized antenna array 2 is that dual polarization is micro-
Band aerial array, dual-polarized element antenna array or dual polarization radiating guide array.
Wherein, the transmitting-receiving feeding network 4 is to adopt for carrying out the function such as signal point or not waiting the U-shaped structure of function point
It is printed with micro-strip printed board；Receiving and dispatching feeding network 4 includes radio frequency interface 14 and the total mouth 15 of radio frequency, the quantity of radio frequency interface 14
Identical as the quantity of transmitting-receiving subassembly 3, each radio frequency interface 14 is connected with a synthesis port 12 of transmitting-receiving subassembly 3 respectively, penetrates
Frequency signal passes through the total output of mouth 15 of radio frequency or input.
It wherein, further include control and bus plane 5, the control and bus plane 5 include micro-strip printed board, are arranged in micro-strip
The control of printed board lower surface and power supply apparatus, the control joint 17 being connected with the control interface 13 of transmitting-receiving subassembly 3 and control
With the total mouth 16 of power supply；Control is multi-core connector with the total mouth 16 of power supply, for controlling signal input, power input and communication letter
Number transmitting-receiving.
The beneficial effects of adopting the technical scheme are that
1, the present invention utilizes integrated structure, improves the space utilization rate of antenna array, while reducing whole system
Size.
2, the present invention is conducive to using dual-linear polarization antenna element independent polarization adjustment technology is carried out inside transmitting-receiving subassembly
The shortcomings that width phase control of polarization modulation signal, the signal width after avoiding signal from first synthesizing should not mutually control.
3, in the present invention, the nothing of whole system is realized using the feeding network of integrated control circuit and special shape
Cabled manner is conducive to the Miniaturization Design of whole system.
4, integral structure attachment of the invention is conducive to the heat dissipation of system, integrated and Miniaturization Design, reduces
The height of system.
Detailed description of the invention
Fig. 1 is the three-dimensional figure of satellite communication bidimensional active phase array antenna of the present invention.
Fig. 2 is clustered architecture schematic diagram of the invention.
Fig. 3 is the side view of transmitting-receiving subassembly of the invention.
Fig. 4 is transmitting-receiving subassembly structural block diagram of the invention.
Fig. 5 is transmitting-receiving feeding network schematic diagram of the invention.
Fig. 6 is control and bus plane schematic diagram of the invention.
Fig. 7 is braced frame schematic diagram of the present invention.
Specific embodiment
In the following, in conjunction with Fig. 1-Fig. 7, the present invention will be further described.
As shown in Figure 1 and Figure 2, a kind of satellite communication bidimensional active phase array antenna 1 is a kind of Integration Design structure.It should
Phased array antenna is by dual-polarized antenna array 2, the transmitting-receiving subassembly 3 with Double RF channel polarization modulation function, transmitting-receiving transmission network
Network 4, control and the composition such as bus plane 5, braced frame 6, fan mounting plate 7, heat sink 8 and structural acessory 9；Braced frame 6 is
Plate structure, is internally provided with transmitting-receiving subassembly 3, and the upper surface of braced frame 6 is fixed with dual-polarized antenna array 2, support frame
The lower surface of frame 6 is fixed with control and bus plane 5, is provided with transmitting-receiving feeding network between control and bus plane 5 and transmitting-receiving subassembly 3
4；The two sides of braced frame 6 are respectively arranged with fan mounting plate 7 and heat sink 8, are provided on fan mounting plate 7 multiple for pacifying
The space of fan is filled, the other two sides of braced frame 6 are provided with installation attachment 9.
The dual-polarized antenna array 2 is arranged not just for Dual-polarized Micro Strip Array, further includes dual-polarized oscillator day
Linear array, dual polarization radiating guide array etc.；Dual-polarized antenna array 2 is by M × N number of dual polarized antenna unit according to the row of setting
Mode for cloth composition array and the upper surface that braced frame 6 is arranged in, pass through cable or quick connector and the transmitting-receiving subassembly of rear end 3
It is connected.
As shown in figure 3, a side surface of the transmitting-receiving subassembly 3 with Double RF channel polarization modulation function is provided with multiple dissipate
Hot tooth 11, the dual polarization channel of dual-polarized antenna array 2 by electric connector respectively with the radio frequency that is arranged on M transmitting-receiving subassembly 3
Channel 10 is correspondingly connected with；Inside transmitting-receiving subassembly 3, dual polarization is carried out by polarization modulation circuit per two adjacent radio-frequency channels
The polarization modulation of signal.It is assumed that the radio-frequency channel number of each transmitting-receiving subassembly is 2N, N is natural number, by believing after polarization modulation
Number channel becomes N, and the signal after the synthesis of the road N inside transmitting-receiving subassembly 3, which synthesizes network by internal signal, becomes 1 tunnel, logical
Crossing signal synthesis port 12 becomes 1 tunnel, connect with the radio frequency interface 14 of transmitting-receiving feeding network 4.It is arranged in the bottom of transmitting-receiving subassembly 3
Control interface 13 is connect with the control joint 17 of control and bus plane 5, and connection type can pass through slotting or cable side fastly
Formula.
As shown in figure 4, polarization modulation circuit includes 3N switch, 4N filter, 2N low noise, 2N power amplifier, 6N
A phase shifter, 1 combiner of N number of 2 conjunction, N number of 1 point of 2 splitter and signal synthesize/distribute network；Each dual polarized antenna unit will
The vertical polarization signal and horizontal polarization signals received under the control respectively switched respectively successively through filtering, low noise amplification and
After phase shift, the signal after phase shift is closed into 1 combiner through 2 and synthesizes 1 tunnel radiofrequency signal, the road N radiofrequency signal is corresponded through receiving channel
N number of phase shifter carry out phase shift after respectively by switch be input to signal synthesize/distribute network；Signal synthesizes/distribute network will
The radiofrequency signal received corresponds the N number of phase shifter progress phase shift processing for being output to hair channel through N number of switch after being divided into the road N,
Every road phase shift treated signal is divided into identical 2 tunnel radiofrequency signal through 1 point of 2 splitter, every road radiofrequency signal is successively shifted,
Through switch output to dual polarized antenna unit after power amplification and filtering.
As shown in figure 5, transmitting-receiving feeding network 4 is U-shaped structure, the equal function point of signal are carried out inside it or do not wait function
Point, it is printed using micro-strip printed board, radio frequency interface 14 is connect with the synthesis port 12 of transmitting-receiving subassembly 3 respectively, signal synthesis
Pass through the total output of mouth 15 of radio frequency or input afterwards.
As shown in fig. 6, control and bus plane 5 include micro-strip printed board and be arranged in the control of micro-strip printed board lower surface with
Power supply apparatus, and the control joint 17 being connected with transmitting-receiving subassembly 3, setting control and electricity in the side of control and bus plane 5
The total mouth 16 in source, form is multi-core connector, mainly as used in control signal, power input and signal of communication.
As shown in fig. 7, braced frame 6 is plate structure, as used in support modules.The side of braced frame 6 is set
Fan mounting plate 7 is set, multiple circular spaces 19 are set on fan mounting plate 7 to install fan and to carry out system radiating.It is propping up
Heat sink 8 is arranged in the side of support frame frame 6, so that hot gas sheds.Attachment 9 is installed in the other symmetrical two sides setting of braced frame 6,
Installation supplementary structure of the antenna on designed mounting platform as a whole.
Working principle
Since the telecommunication satellite used is usually linear polarization work status, when carrier is in different spatial positions, antenna
Different to the polarizing angle of same satellite, therefore, polarizing angle needs to adjust.The process of polarizing angle adjustment is locating for acquisition antenna carrier
Location information calculate antenna in conjunction with the longitude of satellite to the polarizing angle of satellite, pass through the control polarization modulation of component internal
Module real-time control antenna polarization makes antenna polarization polarize with satellite and matches.
In the receiving channel of signal, the signal from satellite first passes around dual-linear polarization antenna element and is received, two-way
Signal has respectively entered the corresponding radio-frequency channel of receiving unit, by phase shifter inside radio-frequency channel, attenuator according to calculating
Polarizing angle out carries out Signal Matching adjustment, and synthesizes signal all the way, and signal passes through component internal filter filtering, further
The isolation of receiving and transmitting signal is improved, and respectively by two-stage low-noise amplifier, carries out signal synthesis into radio frequency network.
The present invention is when carrying out signal reception, the information such as the geographical location according to locating for antenna system, platform stance, calculates
Required beam pointing-angle out.When work, satellite-signal is transferred to receiving unit by antenna element by the array of Antenna aperture,
The filtering and amplification of signal are completed, the signal-to-noise ratio for meeting the requirements signal then enters the feeding network of component internal, completes letter
Number synthesis, radiofrequency signal realize signal synthesis by the feeding network between component, form required wave beam.In whole process
In, the displacement yardage of phase shifter is realized by wave control operation board.It is realized between component internal, component and component by comprehensive routing layer
The functions such as control, power supply and distribution.
When signal emits, signal promotion is carried out by transmitting prime first, the signal level of input meets first order power amplifier
Promotion demand.Pumping signal initially enters power division network, carries out signal level benefit in the interface setting amplifier of component internal
It repays, after the power division network of component internal, respectively enters each transmission channel, carry out signal amplification, and by every group of dual polarization two
After the adjustment of road signal, signal radiation is gone out via dual-linear polarization antenna element.
Claims (5)
1. a kind of satellite communication transmitting-receiving subassembly, it is characterised in that: including 2N radio-frequency channel (10), polarization modulation circuit and signal
It synthesizes port (12)；The vertical polarization channel and horizontal polarization channel of N number of dual polarized antenna unit respectively with 2N radio-frequency channel
(10) it connects one to one；Polarization modulation circuit will receive the dual polarization of coming per two adjacent channels in 2N radio-frequency channel (10)
Signal carries out the signal after the polarization modulation output road N polarization modulation, the signal after the polarization modulation of the road N through signal polymer fabric be complexed at
For 1 road signal, which exports through signal synthesis port (12)；Wherein, N is the natural number more than or equal to 1；
After externally input radiofrequency signal is divided into the road N by the signal distribution network of polarization modulation circuit, it will believe per radio frequency all the way
It is divided into identical two paths of signals after number phase shift, and is adjusted according to amplitude and phase of the communication requirement to two paths of signals, is adjusted
Two paths of signals afterwards is gone out by dual polarization antenna radiation；
The polarization modulation circuit includes 3N switch, 4N filter, 2N low noise, 2N power amplifier, 6N
Phase shifter, 1 combiner of N number of 2 conjunction, N number of 1 point of 2 splitter and signal synthesize/distribute network；Vertical polarization signal and horizontal polarization
Signal is distinguished under the control respectively switched successively after filtering, low noise amplification and phase shift, by 2 road signals after phase shift through 2
It closes 1 combiner and synthesizes 1 tunnel radiofrequency signal, the road N radiofrequency signal corresponds after N number of phase shifter through receiving channel carries out phase shift respectively
By switch be input to signal synthesize/distribute network；Signal synthesizes/distributes network and the radiofrequency signal received is divided into behind the road N through N
A switch, which corresponds, to be output to N number of phase shifter in hair channel and carries out phase shift processing, and every road phase shift treated signal is through 1 point 2
Splitter is divided into identical 2 tunnel radiofrequency signal, and every road radiofrequency signal is successively shifted, exports after power amplification and filtering through switch
To dual polarized antenna unit.
2. a kind of satellite communication bidimensional active phase array antenna, including dual-polarized antenna array (2), M are a as described in claim 1
Transmitting-receiving subassembly (3) and transmitting-receiving feeding network (4), dual-polarized antenna array (2) is made of M × N number of dual polarized antenna unit,
It is characterized in that: vertical polarization channel and the horizontal polarization channel 2N with transmitting-receiving subassembly (3) respectively per N number of dual polarized antenna unit
A radio-frequency channel (10) connects one to one；Signal synthesis port (12) of transmitting-receiving subassembly (3) and penetrating for transmitting-receiving feeding network (4)
Frequency interface (14) is connected；Wherein, M is the natural number greater than 1.
3. a kind of satellite communication bidimensional active phase array antenna according to claim 2, it is characterised in that: the M × N
A dual polarized antenna unit forms dual-polarized antenna array (2) according to default arrangement mode, and dual-polarized antenna array (2) passes through electricity
Cable or quick connector are connected with transmitting-receiving subassembly (3), and dual-polarized antenna array (2) is that Dual-polarized Micro Strip Array arranges, is bipolar
Change element antenna array or dual polarization radiating guide array.
4. a kind of satellite communication bidimensional active phase array antenna according to claim 2 or 3, it is characterised in that: described
Transmitting-receiving feeding network (4) is for carrying out the function such as signal point or not waiting the U-shaped structure of function point, using micro-strip printed board printing
At；Receiving and dispatching feeding network (4) includes radio frequency interface (14) and the total mouth of radio frequency (15), the quantity and transmitting-receiving subassembly of radio frequency interface (14)
(3) quantity is identical, and each radio frequency interface (14) is connected with a synthesis port (12) of transmitting-receiving subassembly (3) respectively, radio frequency
Signal is exported or is inputted by the total mouth of radio frequency (15).
5. a kind of satellite communication bidimensional active phase array antenna according to claim 2, it is characterised in that: further include control
With bus plane (5), the control and bus plane (5) include micro-strip printed board, the control that micro-strip printed board lower surface is arranged in
With power supply apparatus, the control joint (17) being connected with the control interface (13) of transmitting-receiving subassembly (3) and control and the total mouth of power supply
(16)；Control is multi-core connector with the total mouth of power supply (16), is received for controlling signal input, power input and signal of communication
Hair.
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| CN201610808602.9A CN106252887B (en) | 2016-09-08 | 2016-09-08 | A kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna |
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| 一种双极化宽带相控阵贴片天线的设计;王朝阳; 朱瑞平;《现代雷达》;20150115;56-58、77 |
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