CN101799543A - Receiving channel module of air traffic warning and anti-collision system receiver - Google Patents
Receiving channel module of air traffic warning and anti-collision system receiver Download PDFInfo
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- CN101799543A CN101799543A CN201010130411A CN201010130411A CN101799543A CN 101799543 A CN101799543 A CN 101799543A CN 201010130411 A CN201010130411 A CN 201010130411A CN 201010130411 A CN201010130411 A CN 201010130411A CN 101799543 A CN101799543 A CN 101799543A
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Abstract
The invention relates to a receiving channel module of an air traffic warning and anti-collision system receiver, belongs to the field of electronic communication, and aims to solve the technical problems of low criterion angle accuracy, poor consistency of receiving sensitivity of different channels, complex circuit, large volume, heavy weight, no self-checking function of judging breakdown and the like. The receiving channel module of the air traffic warning and anti-collision system receiver comprises a filter, a limiter, a low noise amplifier, a mixer, an IF amplifier, a log amplifying detector, a selecting switch, a resistor, a digital potentiometer, an operational amplifier and the like. The invention is suitable for design of the receiving channel module of the air traffic warning and anti-collision system receiver.
Description
Technical field
The present invention relates to electronic communication field, particularly a kind of air traffic alarm and anti-collision system receiver receiving channel module that is used for air traffic control.
Background technology
Along with developing rapidly of aviation industry, air-traffic density increases day by day, and the air route is crowded.The improvement of flight level control, so that air traffic control radar is existing harasses synchronously, asynchronously harass the problem that occurs with decoy and more become serious, variety of problems at the secondary radar existence, use new the S mode radar and data communication system on aircraft, aircraft industry circle begins to seek the system that can prevent aircraft collision in nineteen fifty-five by ATA (ATA).Concentrated the logical warning of research air traffic collision avoidance system in 1970, the aircraft that Boeing dispatches from the factory since the nineties in last century is according to the center of customer requirement control radar responder (ATCRBS) as this system, the plan that collision avoidance system (TCAS) is warned in U.S. FAA declaration development traffic in 1981, be on the basic concept of discrete address beacon collision avoidance system, adopt aerial S pattern answering machine communication format or the technology of discrete address communication is made friendship S pattern answering machine TCAS system all is housed basically, aerial dangerous approaching to reduce aircraft.
The TCAS system is air traffic alarm and collision avoidance system, is a kind of independently airborne collision avoidance system, as air traffic control (ATC) system and " crashproof ".The TCAS receiver is the key component in air traffic alarm and the collision avoidance system (TCAS), and its technology maturity has limited the production domesticization of TCAS system complete machine and used.
Mainly there are following deficiency in existing TCAS air traffic alarm and anti-collision system receiver receiving channel module:
1. it is not high to declare angular accuracy;
2. the receiving sensitivity consistance of different passages is bad;
3. big, the Heavy Weight of circuit complexity, volume;
4. non-fault is judged self-checking function.
Summary of the invention
The present invention is intended to solve existing air traffic alarm and mainly has technical matterss such as declaring angular accuracy is not high, the receiving sensitivity consistance of different passages is bad, circuit is complicated, volume is big, Heavy Weight, non-fault judgement self-checking function with the anti-collision system receiver receiving channel module, so that a kind of have the receiving sensitivity high conformity of declaring angular accuracy height, different passages, highly integrated, air traffic alarm and anti-collision system receiver receiving channel module that self-checking function is complete to be provided.
The objective of the invention is to be achieved through the following technical solutions.
Air traffic alarm of the present invention and anti-collision system receiver receiving channel module, wherein receiving channel module receives input end 201 concatenated filter 20, limiter 21, low noise amplifier 22, frequency mixer 23, IF amplifier 24, wave filter 25 and logarithm amplification detector 26 in turn, one tunnel output concatenated filter 27 of logarithm amplification detector 26 and an input end of selector switch 29, another input end of another road output concatenated filter 28 and selector switch 29, Third Road output connects the input end of resistance 35; Output terminal serial connection logarithm amplification detector 30 backs of selector switch 29 are connected with the input end of resistance 36; Three input ends of digital regulation resistance 34 connect outside latch input 31, data input 32 and clock respectively and import 33, and the output of one road connects the input end of resistance 37, second input end of its another road output concatenation operation amplifier 39; The be connected in parallel first input end of operational amplifier 39 of resistance 35, resistance 36 and resistance 37 output terminals, the first input end and the output terminal of resistance 38 cross-over connection operational amplifiers 39, second input end of operational amplifier 39 connect resistance 40 back ground connection; Wherein one tunnel output of operational amplifier 39 is receiving channel module video output terminals 203, and its another road is output as relatively exports 42.
Air traffic alarm of the present invention and anti-collision system receiver receiving channel module, the BW parameter of wherein said wave filter 25 and wave filter 28 is 10MHz, the BW parameter of wave filter 27 is 4MHz.
Air traffic alarm of the present invention and anti-collision system receiver receiving channel module, wherein said logarithm amplification detector 26 and logarithm amplification detector 30 are AD641.
Air traffic alarm of the present invention and anti-collision system receiver receiving channel module, wherein said limiter 21 is AT54143.
Air traffic alarm of the present invention and anti-collision system receiver receiving channel module, wherein said low noise amplifier 22 is ATF41511.
The beneficial effect of air traffic alarm of the present invention and anti-collision system receiver receiving channel module:
1. integrated level height, volume are little;
2. declare the angular accuracy height;
3. the receiving sensitivity high conformity of different passages;
4. self-checking function is complete.
Description of drawings
Fig. 1 circuit theory diagrams of the present invention
Fig. 2 the present invention traffic alarm aloft and anti-collision system receiver are used the example schematic diagram
The number in the figure explanation:
1 transmission channel module, 2 receiving channel modules, 3 signal source modules, 4 video processing modules, 5 control treatment module, 6 power supply processing modules, 10 emission inputs, 11 antennas, the 141090MHz calibrating signal, 15 transmitters, the 161030MHz local oscillation signal, 17 conversion and control buses, 20 wave filters, 21 limiters, 22 low noise amplifiers, 23 frequency mixer, the 24IF amplifier, 25 wave filters, 26 logarithm amplification detectors, 27 wave filters, 28 wave filters, 29 selector switch, 30 logarithms amplify, detection AD641,31 latch input, the input of 32 data, the input of 33 clocks, 34 digital regulation resistances, 35 resistance, 36 resistance, 37 resistance, 38 resistance, 39 operational amplifiers, 40 resistance, 42 relatively outputs, 101 transmission channel module input ends, 102 transmission channel module input/output terminals, 103 transmission channel modules receive output terminal, 104 transmission channel module input ends, 105 transmission channel modules emission output and reception input end, 201 receiving channel modules receive input end, 202 receiving channel module control input ends, 203 receiving channel module video output terminals, 301 signal source module output terminals, 302 signal source module output terminals, 303 signal source module output terminals, 401 video processing module signal input end, 402 video processing module video inputs, 501 control treatment module output terminals, 502 control treatment module input/output terminals
Embodiment
Detailed structure of the present invention, application principle, effect and effect with reference to accompanying drawing 1-2, are illustrated by following embodiment.
Consult shown in Figure 1, air traffic alarm of the present invention and anti-collision system receiver receiving channel module, receiving channel module receives input end 201 concatenated filter 20, limiter 21, low noise amplifier 22, frequency mixer 23, IF amplifier 24, wave filter 25 and logarithm amplification detector 26 in turn, one tunnel output concatenated filter 27 of logarithm amplification detector 26 and an input end of selector switch 29, another input end of another road output concatenated filter 28 and selector switch 29, Third Road output connects the input end of resistance 35; Output terminal serial connection logarithm amplification detector 30 backs of selector switch 29 are connected with the input end of resistance 36; Three input ends of digital regulation resistance 34 connect outside latch input 31, data input 32 and clock respectively and import 33, and the output of one road connects the input end of resistance 37, second input end of its another road output concatenation operation amplifier 39; The be connected in parallel first input end of operational amplifier 39 of resistance 35, resistance 36 and resistance 37 output terminals, the first input end and the output terminal of resistance 38 cross-over connection operational amplifiers 39, second input end of operational amplifier 39 connect resistance 40 back ground connection; Wherein one tunnel output of operational amplifier 39 is receiving channel module video output terminals 203, and its another road is output as relatively exports 42.
The BW parameter of wave filter 25 and wave filter 28 is 10MHz, and the BW parameter of wave filter 27 is 4MHz.Logarithm amplification detector 26 and logarithm amplification detector 30 are AD641.Limiter 21 is AT54143.Low noise amplifier 22 is ATF41511.
Consult shown in Figure 2, when the present invention is applied in air traffic alarm and the anti-collision system receiver, receiver is by transmission channel module 1, receiving channel module 2, signal source module 3, video processing module 4 and control treatment module 5 constitute, also comprise power supply processing module 6 and self-checking circuit etc. in addition, wherein transmission channel module input end 104 connects emission input 10, transmission channel module input end 101 connects signal source module output terminal 302, transmission channel module input/output terminal 102 connects control treatment module input/output terminal 502, transmission channel module emission output is connected 11, four transmission channel modules of antenna and receives output terminals 103 and the 201 corresponding connections of four receiving channel modules reception input ends with reception input end 105; Signal source module output terminal 303 is the local oscillation signal output terminal, its with four receiving channel module control input ends 202 mutually and connect, signal source module output terminal 301 is connected with transmitter 15; Four receiving channel module video output terminals 203 and the 402 corresponding connections of four video processing module video inputs; Control treatment module output terminal 501 is connected with video processing module signal input end 401.
Each work period of TCAS receiver is carried out the fault judgement self-checking function to three kinds of states of 8 antennas, the emissive power size of 8 road transmission channels, the accepting state of 4 road receiving cables, to ensure that receiver is in normal operating conditions in real time.
Owing to adopted digital regulation resistance 34 to regulate the video export technique, make the interior amplitude consistance of the full temperature scope of four circuit receiver can reach 0.3dB, improve receiver greatly and declared angular accuracy.
Owing to adopt the digital processing mode to the vision signal base treatment, ensure height consistance between different interchannel receiving sensitivities.In addition, realize the high-density digital circuit owing to adopted the MULTILAYER COMPOSITE dielectric-slab, high-power transmission channel, multiple complicated circuits such as big dynamically small-signal receiving cable merge, adopt little encapsulation surface mount elements and large scale integrated chip simultaneously, simplified circuit, improved the performance of TCAS receiver, dwindle volume greatly, alleviated weight.
Therefore air traffic alarm of the present invention and anti-collision system receiver receiving channel module have the integrated level height, volume is little; Declare the angular accuracy height; The receiving sensitivity high conformity of different passages; The many advantages of self-checking function congruence.
Claims (5)
1. air traffic alarm and anti-collision system receiver receiving channel module, it is characterized in that: the receiving channel module of receiving channel module (2) receives input end (201) concatenated filter (20) in turn, limiter (21), low noise amplifier (22), frequency mixer (23), IF amplifier (24), wave filter (25) and logarithm amplification detector (26), one tunnel output concatenated filter (27) of logarithm amplification detector (26) and an input end of selector switch (29), another input end of another road output concatenated filter (28) and selector switch (29), Third Road output connects the input end of resistance (35); Output terminal serial connection logarithm amplification detector (30) back of selector switch (29) is connected with the input end of resistance (36); Three input ends of digital regulation resistance (34) connect outside latch input (31), data inputs (32) and clock respectively and import (33), the output of one road connects the input end of resistance (37), second input end of its another road output concatenation operation amplifier (39); The be connected in parallel first input end of operational amplifier (39) of resistance (35), resistance (36) and resistance (37) output terminal, the first input end and the output terminal of resistance (38) cross-over connection operational amplifier (39), second input end of operational amplifier (39) connect resistance (40) back ground connection; Wherein one tunnel output of operational amplifier (39) is receiving channel module video output terminals (203), and it is connected with video processing module (4), and its another road is output as relatively output (42).
2. air traffic alarm as claimed in claim 1 and anti-collision system receiver receiving channel module is characterized in that: the BW parameter of described wave filter (25) and wave filter (28) is 10MHz, and the BW parameter of wave filter (27) is 4MHz.
3. air traffic alarm as claimed in claim 1 and anti-collision system receiver receiving channel module is characterized in that: described logarithm amplification detector (26) and logarithm amplification detector (30) are AD641.
4. air traffic alarm as claimed in claim 1 and anti-collision system receiver receiving channel module is characterized in that: described limiter (21) is AT54143.
5. air traffic alarm as claimed in claim 1 and anti-collision system receiver receiving channel module is characterized in that: described low noise amplifier (22) is ATF41511.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010130411A CN101799543A (en) | 2010-03-23 | 2010-03-23 | Receiving channel module of air traffic warning and anti-collision system receiver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010130411A CN101799543A (en) | 2010-03-23 | 2010-03-23 | Receiving channel module of air traffic warning and anti-collision system receiver |
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| CN101799543A true CN101799543A (en) | 2010-08-11 |
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| CN201010130411A Pending CN101799543A (en) | 2010-03-23 | 2010-03-23 | Receiving channel module of air traffic warning and anti-collision system receiver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116032302A (en) * | 2023-02-06 | 2023-04-28 | 成都正扬博创电子技术有限公司 | Miniaturized airborne anti-collision zero intermediate frequency receiving channel module |
-
2010
- 2010-03-23 CN CN201010130411A patent/CN101799543A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116032302A (en) * | 2023-02-06 | 2023-04-28 | 成都正扬博创电子技术有限公司 | Miniaturized airborne anti-collision zero intermediate frequency receiving channel module |
| CN116032302B (en) * | 2023-02-06 | 2023-12-22 | 成都正扬博创电子技术有限公司 | Miniaturized airborne anti-collision zero intermediate frequency receiving channel module |
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Open date: 20100811 |