CN108055048A - One kind can jamproof satellite signal receiver - Google Patents
One kind can jamproof satellite signal receiver Download PDFInfo
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- CN108055048A CN108055048A CN201711327690.1A CN201711327690A CN108055048A CN 108055048 A CN108055048 A CN 108055048A CN 201711327690 A CN201711327690 A CN 201711327690A CN 108055048 A CN108055048 A CN 108055048A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
It can jamproof satellite signal receiver the present invention relates to one kind, with the 5th antenna and the 4th antenna, the output terminal of 4th antenna connects the input terminal of the first amplifier, the output terminal of first amplifier connects the input terminal of the first SAW filter, the output terminal of first SAW filter connects the input terminal of the first power splitter, the first branch output terminal of first power splitter connects the input terminal of the second amplifier, the output terminal connection fourth signal output port of the second amplifier.The output terminal of 5th antenna connects the input terminal of the 3rd amplifier, the output terminal of 3rd amplifier connects the input terminal of the 3rd SAW filter, the output terminal of 3rd SAW filter connects the second branch input terminal of the second combiner, the output terminal of second combiner connects the input terminal of the 4th amplifier, and the output terminal of the 4th amplifier connects the 5th signal output port.The present invention realizes anti-interference function under noisy condition.
Description
Technical field
It can jamproof satellite signal receiver the present invention relates to satellite signal receiver, especially one kind.
Background technology
Bei bucket Wei stars Dao boats Xi Tong ﹝ BeiDou (COMPASS) Navigation Satellite System ﹞ are Chinese only
Vertical development, autonomous operation, and with the compatible Global Satellite Navigation System mutually of other satellite navigation systems of the world.Big-dipper satellite is led
Boat system can provide high-precision, highly reliable positioning, navigation and time service service, be also equipped with short message communication, differential service and
Integrity service characteristics are National Security of China, economy and the indispensable great dimensional information's basic installation of social development.North
Bucket satellite navigation system emits open and mandate clothes on L, S frequency range broadcasts navigation signals, tri- frequency points of L frequency ranges B1, B2 and B3
Business signal.B1：1559.052MHz-1591.788MHz B2：1166.22MHz-1217.37MHz B3：1250.618MHz-
1286.423MHz.The precision of tri- signals of B1, B2 and B3 is different.The open service of Beidou satellite navigation system is to the whole world
It provides free positioning, test the speed and time service service, 10 meters of positioning accuracy, 0.2 meter per second of rate accuracy, 10 nanosecond of time service precision.The Big Dipper
The authorization service of satellite navigation system is to have the user of high-precision, highly reliable satellite navigation demand, providing positioning, test the speed, award
When and communication service and system health information.GPS satellite signal is divided into L1 and L2, frequency be respectively 1575.42MHZ and
1228MHZ.GPS-L1 represents the L1 frequencies of GPS satellite signal, and GPS-L2 represents the L2 frequencies of GPS satellite signal.Ordinary circumstance
Under, user only needs to receive Big Dipper B1 or GPS-L1 signal, but when there is interference signal, only receive Big Dipper B1 or
GPS-L1 signals can cause signal reception to be interfered and inaccurate.
The content of the invention
The technical problem to be solved by the present invention is to：There is provided one kind can jamproof satellite signal receiver, having interference feelings
Under condition, anti-interference function is realized.
The technical solution adopted by the present invention to solve the technical problems is：One kind can jamproof satellite signal receiver,
And, there is can receive Big Dipper B3 signals the 4th day with the 5th antenna that can receive Big Dipper B1 and/or GPS-L1 signal
Line, the output terminal of the 4th antenna connect the input terminal of the first amplifier, the output terminal connection first of first amplifier
The input terminal of SAW filter, the input terminal of output terminal the first power splitter of connection of first SAW filter, described first
The first branch output terminal of power splitter connects the input terminal of the second amplifier, and the output terminal connection fourth signal of the second amplifier is defeated
Exit port.
The second branch output terminal of first power splitter connects the input terminal of the second SAW filter, the rising tone table
The output terminal of wave filter connects the first branch input terminal of the second combiner.
The output terminal of 5th antenna connects the input terminal of the 3rd amplifier, the output terminal connection of the 3rd amplifier
The input terminal of 3rd SAW filter, the output terminal of the 3rd SAW filter connect the second branch input of the second combiner
End, the output terminal of second combiner connect the input terminal of the 4th amplifier, the 5th letter of output terminal connection of the 4th amplifier
Number output port.
Further, it is described it is a kind of can jamproof satellite signal receiver have and can receive the first of Big Dipper B3 signals
Antenna, the second antenna that Big Dipper B3 signals can be received, the third antenna that Big Dipper B3 signals can be received.
The output terminal of the first antenna connects the input terminal of the 5th amplifier, the output terminal connection of the 5th amplifier
The input terminal of falling tone table wave filter, the output terminal of the falling tone table wave filter connects the input terminal of the 6th amplifier, described
The output terminal of 6th amplifier connects the first signal output port.
The output terminal of second antenna connects the input terminal of the 7th amplifier, the output terminal connection of the 7th amplifier
The input terminal of fifth sound table wave filter, the output terminal of the fifth sound table wave filter connects the input terminal of the 8th amplifier, described
The output terminal connection secondary signal output port of 8th amplifier.
The output terminal of the third antenna connects the input terminal of the 9th amplifier, the output terminal connection of the 9th amplifier
The input terminal of 6th SAW filter, the output terminal of the 6th SAW filter connects the input terminal of the tenth amplifier, described
The output terminal of tenth amplifier connects the 3rd signal output port.
Further, the 5th antenna is located at the center of the circuit board of receiver, and the first antenna is located at the
The upside of five antennas, second antenna are located at the left side of the 5th antenna, and the third antenna is located at the downside of the 5th antenna, institute
State the right side that the 4th antenna is located at the 5th antenna.
Specifically, using ASL226, second amplifier uses for first amplifier, the 3rd amplifier
SPF5043Z, the 4th amplifier use MGA-665P8.
Using ASL226, the 6th amplifier, the described 8th are put for 5th amplifier, the 7th amplifier, the 9th amplifier
Big device, the tenth amplifier use SPF5043Z.
Further, the 4th DC power supply is accessed between second amplifier and fourth signal output port, described the
The 5th DC power supply is accessed between four amplifiers and the 5th signal output port, first amplifier accesses the 4th direct current
Source, the 3rd amplifier access the 5th DC power supply.
5th DC power supply is without power supply when being powered by the 4th DC power supply.Prevent the 4th DC power supply work when pair
5th DC power supply reverse power supply.
Access the first DC power supply between 6th amplifier and the first signal output port, the 8th amplifier with
The second DC power supply is accessed between secondary signal output port, is accessed between the tenth amplifier and the 3rd signal output port
3rd DC power supply, the 5th amplifier access the first DC power supply, and the 7th amplifier accesses the second DC power supply, institute
It states the 9th amplifier and accesses the 3rd DC power supply.
The beneficial effects of the invention are as follows：After 4th antenna receives satellite-signal, first signal is amplified by the first amplifier,
It is filtered by the first SAW filter, then two equally big signals, the first work(point is divided the signal by the first power splitter
The first branch of device is exported after the second amplifier by fourth signal output port.5th antenna receive satellite-signal it
Afterwards, first signal is amplified by the 3rd amplifier, the second branch with the first power splitter afterwards is filtered by the 3rd SAW filter
Into the second combiner after rising tone table filters filter, then pass through the output of the 5th signal output port.
It is powered during normal use by the 5th DC power supply, fourth signal output port, the 5th signal output port are equal
There is signal output.It is powered by the 4th DC power supply when there is interference source, the 5th DC power supply is stopped power supply, and fourth signal is defeated
Exit port, the 5th signal output port have signal output.The present invention can jamproof satellite signal receiver having interference
In the case of, realize anti-interference function.
Description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the 4th antenna of the present invention, the circuit catenation principle figure of the 5th antenna；
Fig. 2 is the circuit catenation principle figure of the first antenna of the present invention；
Fig. 3 is the circuit catenation principle figure of the second antenna of the present invention；
Fig. 4 is the circuit catenation principle figure of the third antenna of the present invention；
Fig. 5 is each aerial position schematic diagram in the present invention；
Fig. 6 is the 4th DC power supply and the circuit diagram of the 5th DC power supply access control circuit；
Wherein：1st, first antenna, the 2, second antenna, 3, third antenna, the 4, the 4th antenna, the 5, the 5th antenna.
Specific embodiment
Presently in connection with attached drawing, the present invention is further illustrated.These attached drawings are simplified schematic diagram only with signal side
Formula illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
As shown in Figure 1, one kind can jamproof satellite signal receiver, have can receive the Big Dipper B1 and/or GPS-L1 letter
Number the 5th antenna 5 and, the 4th antenna 4 of Big Dipper B3 signals can be received by having, the output terminal connection of the 4th antenna 4
The input terminal of first amplifier, the input terminal of output terminal the first SAW filter of connection of first amplifier, described first
The output terminal of SAW filter connects the input terminal of the first power splitter, the first branch output terminal connection of first power splitter the
The input terminal of two amplifiers, the output terminal connection fourth signal output port of the second amplifier.
The second branch output terminal of first power splitter connects the input terminal of the second SAW filter, the rising tone table
The output terminal of wave filter connects the first branch input terminal of the second combiner.
The output terminal of 5th antenna 5 connects the input terminal of the 3rd amplifier, and the output terminal of the 3rd amplifier connects
The input terminal of the 3rd SAW filter is connect, the second branch of output terminal the second combiner of connection of the 3rd SAW filter is defeated
Enter end, the output terminal of second combiner connects the input terminal of the 4th amplifier, the output terminal connection the 5th of the 4th amplifier
Signal output port.
Further, it is described it is a kind of can jamproof satellite signal receiver have and can receive the first of Big Dipper B3 signals
Antenna 1, the second antenna 2 that Big Dipper B3 signals can be received, the third antenna 3 that Big Dipper B3 signals can be received.
As shown in Fig. 2, the output terminal of the first antenna 1 connects the input terminal of the 5th amplifier, the 5th amplifier
Output terminal connection falling tone table wave filter input terminal, the output terminal of the falling tone table wave filter connects the 6th amplifier
Input terminal, the output terminal of the 6th amplifier connect the first signal output port.
As shown in figure 3, the output terminal of second antenna 2 connects the input terminal of the 7th amplifier, the 7th amplifier
Output terminal connection fifth sound table wave filter input terminal, the output terminal of the fifth sound table wave filter connects the 8th amplifier
Input terminal, the output terminal connection secondary signal output port of the 8th amplifier.
As shown in figure 4, the output terminal of the third antenna 3 connects the input terminal of the 9th amplifier, the 9th amplifier
Output terminal connect the input terminal of the 6th SAW filter, the output terminal of the 6th SAW filter connects the tenth amplifier
Input terminal, the output terminal of the tenth amplifier connect the 3rd signal output port.
Specifically, using ASL226, second amplifier uses for first amplifier, the 3rd amplifier
SPF5043Z, the 4th amplifier use MGA-665P8.
Using ASL226, the 6th amplifier, the described 8th are put for 5th amplifier, the 7th amplifier, the 9th amplifier
Big device, the tenth amplifier use SPF5043Z.
Further, the 4th DC power supply is accessed between second amplifier and fourth signal output port, described the
The 5th DC power supply is accessed between four amplifiers and the 5th signal output port, first amplifier accesses the 4th direct current
Source, the 3rd amplifier access the 5th DC power supply.
5th DC power supply is without power supply when being powered by the 4th DC power supply.Prevent the 4th DC power supply work when pair
5th DC power supply reverse power supply.4th DC power supply prevents that the 5th is straight without power supply when being powered by the 5th DC power supply
To the 4th DC power supply reverse power supply when flowing power work.
Access the first DC power supply between 6th amplifier and the first signal output port, the 8th amplifier with
The second DC power supply is accessed between secondary signal output port, is accessed between the tenth amplifier and the 3rd signal output port
3rd DC power supply, the 5th amplifier access the first DC power supply, and the 7th amplifier accesses the second DC power supply, institute
It states the 9th amplifier and accesses the 3rd DC power supply.
4th antenna 4 receive satellite-signal after, first signal is amplified by the first amplifier, by the first SAW filter into
Row filtering, then divide the signal into two equally big signals by the first power splitter, the first branch of the first power splitter is by the
It is exported after two amplifiers by fourth signal output port.It, first will by the 3rd amplifier after 5th antenna 5 receives satellite-signal
Signal amplifies, and is filtered by the 3rd SAW filter afterwards with the second branch of the first power splitter through rising tone table filters filter
Afterwards into the second combiner, then pass through the output of the 5th signal output port.
It is powered during normal use by the 5th DC power supply, fourth signal output port, the 5th signal output port are equal
There is signal output.It is powered by the 4th DC power supply when there is interference source, the 5th DC power supply is stopped power supply, and fourth signal is defeated
Exit port, the 5th signal output port have signal output.Fourth signal output port, the 5th signal output port have solely respectively
Vertical DC voltage-stabilizing power supply, two-way can normal use, the voltage-stabiliser tube of the 5th DC power supply is using high level control, the 4th direct current
The 5th DC power voltage stabilizing pipe is stopped when source powers up, and is powered by the 4th DC power supply, it is ensured that the 4th antenna is dual-purpose normal.The
Four antennas can not only use under normal circumstances, but also can use in cases of a disturbance.
When there is more interference source, the first signal output port, secondary signal output port, the 3rd signal output port
Add in work.
As shown in figure 5, the 5th antenna 5 is located at the center of the circuit board of receiver, the first antenna 1 is located at
The upside of 5th antenna 5, second antenna 2 are located at the left side of the 5th antenna 5, and the third antenna 3 is located at the 5th antenna 5
Downside, the 4th antenna 4 are located at the right side of the 5th antenna 5.First antenna 1, the second antenna 2, third antenna 3, the 4th antenna 4
The surrounding of the 5th antenna 5 is trapped among, forms four array element anti-interference antenna arrays, maximum can resist three interference sources, realize stronger
Anti-interference function.Each antenna is arranged by above-mentioned position, can not only effectively be realized anti-interference function, and is able to maintain that electricity
The size of road plate is in a circuit board of a smaller size range, such as long 115.4mm wide 72.2mm.So that circuit board making
Cost is smaller.
As shown in fig. 6, the 4th DC power supply and the 5th DC power supply access control circuit.Principle is as schemed：5th direct current
Source connects the anode of diode D1, and the cathode of diode D1 connects 3 feet of the first voltage-stabiliser tube U1, and the 5th DC power supply connects filter capacitor
C1, filter capacitor the C1 other end are grounded, and filter capacitor C2 is in parallel with filter capacitor C1, the 4 feet ground connection of the first voltage-stabiliser tube U1, and first
It is grounded after the 5 feet series connection pull down resistor R1 of voltage-stabiliser tube U1, the 4th DC power supply connects 5 feet of the first voltage-stabiliser tube U1, the first voltage-stabiliser tube
Connect after the 1 foot series filtering capacitance C3 of U1 with 2 feet of the first voltage-stabiliser tube U1 and connect with power supply circuit output terminal.4th direct current
Power supply connects 3 feet of the second voltage-stabiliser tube U2, and the 4th DC power supply connects filter capacitor C5, filter capacitor C5 other ends ground connection, filtered electrical
It is in parallel with filter capacitor C5 to hold C4.4 feet of second voltage-stabiliser tube U2 are grounded, after the 5 foot series filtering capacitance C6 of the second voltage-stabiliser tube U2
Ground connection, connect with 2 feet of the second voltage-stabiliser tube U2 after the 1 foot series filtering capacitance C7 of the second voltage-stabiliser tube U2 and with diode D2 just
Pole connects, and the cathode of diode D2 connects with power supply circuit output terminal.The switch of 4th the first voltage-stabiliser tube of DC power control U1,
During the 4th DC power supply high level, the first voltage-stabiliser tube U1 is stopped.Diode D1, diode D2 can prevent voltage reversal from supplying
Electricity.
Amplifier is can be the voltage of input signal or the device of power amplification.
SAW filter main function principle is the piezoelectric property using piezoelectric material, will using input and output transducer
The input signal of electric wave is converted into mechanical energy, after treatment, then converts mechanical energy into the signal of electricity, need not to reach filtering
The signal and noise wanted promote the target of reception quality.The SAW filter of respective frequencies is set, can be increased between signal
Isolation, prevents signal cross-talk.
Power splitter full name power divider, be it is a kind of will all the way input signal energy be divided into two-way or multiple-channel output it is equal or
The device of unequal energy.In turn, by the synthesis of multiple signals energy, output is known as combiner all the way.
In Fig. 1-Fig. 6, the first DC power supply is represented with VCC1, and the second DC power supply is represented with VCC2, the 3rd DC power supply
It is represented with VCC3, the 4th DC power supply is represented with VCC4, and the 5th DC power supply is represented with VCC5.
Using above-mentioned desirable embodiment according to the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (8)
1. one kind can jamproof satellite signal receiver, the 5th antenna of Big Dipper B1 and/or GPS-L1 signal can be received by having,
And with the 4th antenna that can receive Big Dipper B3 signals, it is characterised in that：The output terminal connection first of 4th antenna is put
The input terminal of big device, the output terminal of first amplifier connect the input terminal of the first SAW filter, the first sound table filter
The output terminal of ripple device connects the input terminal of the first power splitter, the second amplification of first branch output terminal connection of first power splitter
The input terminal of device, the output terminal connection fourth signal output port of the second amplifier；
The second branch output terminal of first power splitter connects the input terminal of the second SAW filter, the rising tone table filtering
The output terminal of device connects the first branch input terminal of the second combiner；
The output terminal of 5th antenna connects the input terminal of the 3rd amplifier, the output terminal connection the 3rd of the 3rd amplifier
The input terminal of SAW filter, the output terminal of the 3rd SAW filter connect the second branch input terminal of the second combiner,
The output terminal of second combiner connects the input terminal of the 4th amplifier, and output terminal the 5th signal of connection of the 4th amplifier is defeated
Exit port.
2. one kind according to claim 1 can jamproof satellite signal receiver, it is characterised in that：With north can be received
The first antenna of bucket B3 signals can receive the second antenna of Big Dipper B3 signals, can receive the third antenna of Big Dipper B3 signals；
The output terminal of the first antenna connects the input terminal of the 5th amplifier, the output terminal connection the 4th of the 5th amplifier
The input terminal of SAW filter, the input terminal of output terminal the 6th amplifier of connection of the falling tone table wave filter, the described 6th
The output terminal of amplifier connects the first signal output port；
The output terminal of second antenna connects the input terminal of the 7th amplifier, the output terminal connection the 5th of the 7th amplifier
The input terminal of SAW filter, the input terminal of output terminal the 8th amplifier of connection of the fifth sound table wave filter, the described 8th
The output terminal connection secondary signal output port of amplifier；
The output terminal of the third antenna connects the input terminal of the 9th amplifier, the output terminal connection the 6th of the 9th amplifier
The input terminal of SAW filter, the input terminal of output terminal the tenth amplifier of connection of the 6th SAW filter, the described tenth
The output terminal of amplifier connects the 3rd signal output port.
3. one kind according to claim 2 can jamproof satellite signal receiver, it is characterised in that：5th antenna
Positioned at the center of the circuit board of receiver, the first antenna is located at the upside of the 5th antenna, and second antenna is located at
The left side of 5th antenna, the third antenna are located at the downside of the 5th antenna, and the 4th antenna is located at the right side of the 5th antenna.
4. one kind according to claim 1 can jamproof satellite signal receiver, it is characterised in that：First amplification
Using ASL226, second amplifier uses SPF5043Z for device, the 3rd amplifier, and the 4th amplifier uses MGA-665P8.
5. one kind according to claim 2 can jamproof satellite signal receiver, it is characterised in that：5th amplification
Using ASL226, the 6th amplifier, the 8th amplifier, the tenth amplifier use for device, the 7th amplifier, the 9th amplifier
SPF5043Z。
6. one kind according to claim 1 can jamproof satellite signal receiver, it is characterised in that：Second amplification
Between device and fourth signal output port access the 4th DC power supply, the 4th amplifier, with the 5th signal output port it
Between access the 5th DC power supply, first amplifier accesses the 4th DC power supply, and the 3rd amplifier accesses the 5th direct current
Power supply.
7. one kind according to claim 6 can jamproof satellite signal receiver, it is characterised in that：When by the 4th direct current
The 5th DC power supply is without power supply when power supply is powered.
8. one kind according to claim 2 can jamproof satellite signal receiver, it is characterised in that：6th amplification
The first DC power supply is accessed between device and the first signal output port, between the 8th amplifier and secondary signal output port
The second DC power supply is accessed, accesses the 3rd DC power supply between the tenth amplifier and the 3rd signal output port, described the
Five amplifiers access the first DC power supply, and the 7th amplifier accesses the second DC power supply, the 9th amplifier access the
Three DC power supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327690.1A CN108055048B (en) | 2017-12-13 | 2017-12-13 | Satellite signal receiver capable of resisting interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327690.1A CN108055048B (en) | 2017-12-13 | 2017-12-13 | Satellite signal receiver capable of resisting interference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108055048A true CN108055048A (en) | 2018-05-18 |
| CN108055048B CN108055048B (en) | 2020-04-10 |
Family
ID=62132144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711327690.1A Active CN108055048B (en) | 2017-12-13 | 2017-12-13 | Satellite signal receiver capable of resisting interference |
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| Country | Link |
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| CN (1) | CN108055048B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110690581A (en) * | 2019-09-23 | 2020-01-14 | 北京航天长征飞行器研究所 | Four-array-element self-adaptive anti-interference array antenna based on electromagnetic soft surface |
| CN114039615A (en) * | 2021-12-17 | 2022-02-11 | 成都金诺信高科技有限公司 | Antenna transceiving circuit |
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| CN110690581A (en) * | 2019-09-23 | 2020-01-14 | 北京航天长征飞行器研究所 | Four-array-element self-adaptive anti-interference array antenna based on electromagnetic soft surface |
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| CN114039615B (en) * | 2021-12-17 | 2023-05-05 | 成都金诺信高科技有限公司 | Antenna receiving and transmitting circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108055048B (en) | 2020-04-10 |
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