CN204180078U - A kind of 60M Transmission System of Radar Data equipment - Google Patents
A kind of 60M Transmission System of Radar Data equipment Download PDFInfo
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- CN204180078U CN204180078U CN201420516038.XU CN201420516038U CN204180078U CN 204180078 U CN204180078 U CN 204180078U CN 201420516038 U CN201420516038 U CN 201420516038U CN 204180078 U CN204180078 U CN 204180078U
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Abstract
The utility model relates to a kind of 60M Transmission System of Radar Data equipment, comprise the first Signal interface module and the first subdivision connection module both-way communication, first subdivision connection module and the first modulation /demodulation module both-way communication, the first modulation /demodulation module and the first transceiver channel machine both-way communication; First transceiver channel machine and the second transceiver channel machine are by antenna wireless communication, second transceiver channel machine and the second modulation /demodulation module both-way communication, second modulation /demodulation module with for multiple connection ground control command and the second subdivision connection module both-way communication of tap radar data, the second subdivision connection module with for receiving the secondary signal interface module both-way communication of ground control command.The utility model transmission rate reaches as high as 61.888Mb/s, and transmission range is maximum reaches 25km, and what transceiver channel machine used is fixing 4.4G, 4.587G transmission frequency, and noiseless, transmission performance is reliable and stable.
Description
Technical field
The utility model relates to technical field of radar communication, especially a kind of 60M Transmission System of Radar Data equipment.
Background technology
Along with the development of Radar Technology, radar data amount increases gradually, and the telecommunication transmission equipment of high-speed high capacity uses in the urgent need to research and development.To there is transmission data rate in existing Transmission System of Radar Data equipment low in transmitting procedure, and transmission data channel is few, the shortcomings such as reservation of network bandwidth is narrow.Therefore, be necessary on the basis utilizing existing Transmission System of Radar Data equipment, build 60M Transmission System of Radar Data equipment, data transmission equipment transmission data rate is risen to 61.888Mbps by 34.368Mbps data transfer rate, to meet radar system data transportation requirements, require that there is the reliable performance of safety and stability simultaneously, fewer in 60M Transmission System of Radar Data equipment Market.
Utility model content
The purpose of this utility model is the 60M Transmission System of Radar Data equipment providing a kind of transmission data rate high, stable and reliable for performance.
For achieving the above object, the utility model have employed following technical scheme: a kind of 60M Transmission System of Radar Data equipment, comprise the first Signal interface module for receiving radar inquisitor data, its output is connected with also dividing the input of the first subdivision connection module of ground plane control command for other data of multiple connection radar, first subdivision connection module and the first modulation /demodulation module both-way communication, the first modulation /demodulation module and the first transceiver channel machine both-way communication; First transceiver channel machine and the second transceiver channel machine are by antenna wireless communication, second transceiver channel machine and the second modulation /demodulation module both-way communication, second modulation /demodulation module with for multiple connection ground control command and the second subdivision connection module both-way communication of tap radar data, the second subdivision connection module with for receiving the secondary signal interface module both-way communication of ground control command; The receipts frequency of the first transceiver channel machine is 4.4GHz, and sending out frequency is 4.587 GHz; The receipts frequency of the second transceiver channel machine is 4.587 GHz, and sending out frequency is 4.4GHz.
Described first Signal interface module, the first subdivision connection module, the first modulation /demodulation module and the first transceiver channel machine are arranged on radar; Described secondary signal interface module, the second subdivision connection module, the second modulation /demodulation module and the second transceiver channel machine are all positioned at ground control indoor.
Described first Signal interface module is made up of the first level shifting circuit and simulation signal generator, the first level shifting circuit, simulation signal generator all with the first subdivision connection module both-way communication; Described secondary signal interface module adopts second electrical level change-over circuit, second electrical level change-over circuit and the second subdivision connection module both-way communication.
Described first subdivision connection module adopts the first subdivision to connect coding-decoding circuit, the first subdivision connect coding-decoding circuit respectively with the first Signal interface module, the first modulation /demodulation module both-way communication; Described second subdivision connection module adopts the second subdivision to connect coding-decoding circuit, the second subdivision connect coding-decoding circuit respectively with secondary signal interface module, the second modulation /demodulation module both-way communication.
Described first modulation /demodulation module comprises the first data interface circuit, its input is connected with the output of the first subdivision connection module, its output is connected with the input of the first data processing circuit, the output of the first data processing circuit is connected with the input of error correcting code circuitry, the output of error correcting code circuitry is connected with the input of data roll off circuit, the output of data roll off circuit is connected with the input of a QPSK modulation circuit, the output of the one QPSK modulation circuit is connected with the input of the first transceiver channel machine, the output of the first transceiver channel machine is connected with the input of AGC amplifying circuit, the output of AGC amplifying circuit is connected with the input of the 2nd QPSK modulation circuit, the output of the 2nd QPSK modulation circuit is connected with removing the input of error correction circuit, the output of error correction circuit is gone to be connected with the input of the second data processing circuit, the output of the second data processing circuit is connected with the input of the second data interface circuit, the output of the second data interface circuit is connected with the input of the first subdivision connection module.
Described first transceiver channel machine comprises duplexer, duplexer and antenna both-way communication, the output of duplexer is connected with the input of low noise amplifier, the output of low noise amplifier is connected with the input of the first filter, first filter, the output of the first local oscillator unit is all connected with the input of low-converter, the output of low-converter is connected with the input of the first intermediate frequency amplifier, the output of the first intermediate frequency amplifier is connected with the input of the first modulation /demodulation module, the output of the first modulation /demodulation module is connected with the input of the second intermediate frequency amplifier, second intermediate frequency amplifier, the output of the second local oscillator unit is all connected with the input of upconverter, the output of upconverter is connected with the input of the second filter, the output of the second filter is connected with the input of power amplifier, the output of power amplifier is connected with the input of duplexer.
Described first transceiver channel machine is by the right-handed circular polarization antenna emitting radio frequency signal earthward on radar, and described second transceiver channel machine receives this radiofrequency signal by servo antenna
As shown from the above technical solution, radar comprehensive video, original video (test video), bearing signal, video monitoring image etc. carry out compressing by the utility model, coded treatment, and together with network data and other data, be multiplexed to 61.888Mbps high-speeld code-flow, this code stream sends into microwave channel as baseband signal, radiofrequency signal is processed into, by right-handed circular polarization antenna transmission on radar to ground through intermediate frequency Modulation demodulation, the first transceiver channel machine; Ground servo antenna received RF signal, through the second transceiver channel machine, intermediate frequency Modulation demodulation, tap recovers radar comprehensive video, original video (test video), bearing signal, video monitoring image, network and other data, and send radar ground based terminal to show, ground control command reaches on radar through data transmission equipment simultaneously.The utility model transmission rate reaches as high as 61.888Mb/s, transmission range is maximum reaches 25km, what first and second transceiver channel machine of the present utility model used is fixing 4.4G, 4.587G transmission frequency, this transmission frequency is the peculiar frequency of Transmission System of Radar Data, noiseless, transmission performance is reliable and stable.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model.
Fig. 2,3 is respectively the theory diagram of the first Signal interface module in Fig. 1, secondary signal interface module.
Fig. 4,5 is respectively the theory diagram of the first subdivision connection module in Fig. 1, the second subdivision connection module.
Fig. 6 is the theory diagram of the first modulation /demodulation module in Fig. 1.
Fig. 7 is the theory diagram of the first transceiver channel machine in Fig. 1.
Embodiment
A kind of 60M Transmission System of Radar Data equipment, comprise the first Signal interface module 1 for receiving radar inquisitor data, its output is connected with also dividing the input of the first subdivision connection module 2 of ground plane control command for other data of multiple connection radar, first subdivision connection module 2 and the first modulation /demodulation module 3 both-way communication, the first modulation /demodulation module 3 and the first transceiver channel machine 4 both-way communication; First transceiver channel machine 4 and the second transceiver channel machine 5 are by antenna wireless communication, second transceiver channel machine 5 and the second modulation /demodulation module 6 both-way communication, second modulation /demodulation module 6 with for multiple connection ground control command and the second subdivision connection module 7 both-way communication of tap radar data, the second subdivision connection module 7 with for receiving secondary signal interface module 8 both-way communication of ground control command; The receipts frequency of the first transceiver channel machine 4 is 4.4GHz, and sending out frequency is 4.587 GHz; The receipts frequency of the second transceiver channel machine 5 is 4.587 GHz, and sending out frequency is 4.4GHz, as shown in Figure 1.What first and second transceiver channel machine 4,5 used is fixing 4.4G, 4.587G transmission frequency, and this transmission frequency is the peculiar frequency of Transmission System of Radar Data, noiseless, and transmission performance is reliable and stable.
As shown in Figure 1, described first Signal interface module 1, first subdivision connection module 2, first modulation /demodulation module 3 and the first transceiver channel machine 4 are arranged on radar; Described secondary signal interface module 8, second subdivision connection module 7, second modulation /demodulation module 6 and the second transceiver channel machine 5 are all positioned at ground control indoor.This equipment adopts wireless transmission method, realizes data and the information transmission of radar, mainly comprises: comprehensive video, original video (test video), triggering, bearing signal (positive north, increment; String code, clock etc.), radar netting, inquisitor data, orientation opening flag, distance opening flag, radar video monitoring image and talk-back etc., under pass to ground based terminal operating room (or command post), ground based terminal operating room (or command post) processs and displays the data received and information; Ground based terminal operating room (or command post) control command is uploaded to radar simultaneously, radar is worked according to the mode of specifying.
As shown in Figure 1, the data such as inquiry data, start-up command after first Signal interface module 1 coding, deliver to the first subdivision connection module 2 to carry out being multiplexed to 61.888Mbps high-speeld code-flow together with other data of radar, this code stream sends into the first modulation /demodulation module 3 as baseband signal, be modulated into the intermediate-freuqncy signal of 140M, intermediate-freuqncy signal is processed into radiofrequency signal through the one the first transceiver channel machines 4, is emitted to ground by communication antenna; Terrestrial receiving antenna received RF signal, through the second transceiver channel machine 5, second modulation /demodulation module 6, tap recovers radar data, and send radar ground based terminal to show; Radar ground control command reaches on radar through data transmission set simultaneously.Here, radar data comprises radar interrogator machine data and other data of radar.Transmission rate of the present utility model reaches as high as 61.888Mb/s, and transmission range is maximum reaches 25km.
As shown in Figure 2,3, described first Signal interface module 1 is made up of the first level shifting circuit and simulation signal generator, the first level shifting circuit, simulation signal generator all with the first subdivision connection module 2 both-way communication; Described secondary signal interface module 8 adopts second electrical level change-over circuit, second electrical level change-over circuit and the second subdivision connection module 7 both-way communication.First level shifting circuit mainly completes level conversion, the transmit data functionality of transmission inquisitor RS422 data, RS232 data, start-up command, platform testing RS422 data, supervisory control system RS422 serial data etc.; Meanwhile, simulation signal generator can produce radar simulation signal, comprises radar comprehensive video, original video (test video), bearing signal, orientation, broadband opening flag, broadband distance opening flag etc., for system debug with when detecting.Second electrical level change-over circuit mainly completes the level conversion function of control command.
As shown in Figure 4,5, described first subdivision connection module 2 adopts the first subdivision to connect coding-decoding circuit, the first subdivision connect coding-decoding circuit respectively with the first Signal interface module 1, first modulation /demodulation module 3 both-way communication; Described second subdivision connection module 7 adopts the second subdivision to connect coding-decoding circuit, the second subdivision connect coding-decoding circuit respectively with secondary signal interface module 8, second modulation /demodulation module 6 both-way communication.After each data flow, original video, comprehensive video, test video, triggering signal, bearing signal, orientation opening flag, distance opening flag etc. that external equipment is mainly sent here by the first subdivision connection module 2 carry out coded treatment, the video network data that export with web camera (or monitoring image plug-in unit send here video monitoring information), the information such as grid data, inquisitor data, carrying out multiple connection, to be processed into transmission rate be that the baseband signal of 61.888Mb/s send modulation /demodulation; Second subdivision connection module 7 recovers radar original video, comprehensive video, test video, triggering signal, bearing signal, orientation opening flag, distance opening flag successively the baseband signal of demodulation 61.888Mb/s out, inquisitor data etc., deliver to outside relevant device.
As shown in Figure 6, described first modulation /demodulation module 3 comprises the first data interface circuit, its input is connected with the output of the first subdivision connection module 2, its output is connected with the input of the first data processing circuit, the output of the first data processing circuit is connected with the input of error correcting code circuitry, the output of error correcting code circuitry is connected with the input of data roll off circuit, the output of data roll off circuit is connected with the input of a QPSK modulation circuit, the output of the one QPSK modulation circuit is connected with the input of the first transceiver channel machine 4, the output of the first transceiver channel machine 4 is connected with the input of AGC amplifying circuit, the output of AGC amplifying circuit is connected with the input of the 2nd QPSK modulation circuit, the output of the 2nd QPSK modulation circuit is connected with removing the input of error correction circuit, the output of error correction circuit is gone to be connected with the input of the second data processing circuit, the output of the second data processing circuit is connected with the input of the second data interface circuit, the output of the second data interface circuit is connected with the input of the first subdivision connection module 2.
The effect of the first modulation /demodulation module 3 is mainly divided into modulation and demodulation two parts: the Main Function of modulating part is that the 61.888Mbps baseband signal that the first subdivision connection module 2 is sent here is carried out data-interface conversion, data after having converted are after the first data processing circuit process, error correction coding is added to the data processed, data after coding are carried out data and are roll-offed, the string code interference of intersymbol is reduced with this, data after roll-offing are modulated through QPSK, be modulated in the intercarrier signal of 140MHz, first transceiver channel machine 4 of finally giving carries out next step modulation, the Main Function of demodulation part is that the 140MHz intermediate-freuqncy signal that the first transceiver channel machine 4 that receives is sent here is carried out demodulation, first the data received carry out AGC amplification, after demodulate base band data through QPSK, error correction coding is taken out, then gives after data-interface conversion through data processing and demodulate 61.888 Mbps baseband signals and send the first subdivision connection module 2.The structure of the second modulation /demodulation module 6 is identical with the structure of the first modulation /demodulation module 3.
As shown in Figure 7, described first transceiver channel machine 4 comprises duplexer, duplexer and antenna both-way communication, the output of duplexer is connected with the input of low noise amplifier, the output of low noise amplifier is connected with the input of the first filter, first filter, the output of the first local oscillator unit is all connected with the input of low-converter, the output of low-converter is connected with the input of the first intermediate frequency amplifier, the output of the first intermediate frequency amplifier is connected with the input of the first modulation /demodulation module 3, the output of the first modulation /demodulation module 3 is connected with the input of the second intermediate frequency amplifier, second intermediate frequency amplifier, the output of the second local oscillator unit is all connected with the input of upconverter, the output of upconverter is connected with the input of the second filter, the output of the second filter is connected with the input of power amplifier, the output of power amplifier is connected with the input of duplexer.Described first transceiver channel machine 4 is by the right-handed circular polarization antenna emitting radio frequency signal earthward on radar, and described second transceiver channel machine 5 receives this radiofrequency signal by servo antenna.The Main Function of the first transceiver channel machine 4 is carry out rf modulations and power amplification etc. to the 140MHz intermediate-freuqncy signal that the first modulation /demodulation module 3 is sent here, and delivers to antenna-feedback system and launch; After the process such as low noise amplification, demodulation being carried out to the radiofrequency signal received simultaneously, obtain 140MHz intermediate-freuqncy signal and send modulation /demodulation.In transmitting portion: first the 140MHz intercarrier signal with baseband signal that the first modulation /demodulation module 3 is sent here is carried out intermediate-freuqncy signal amplification, then local local oscillation signal is passed through by intermediate-freuqncy signal up-conversion in the carrier signal of 4.4G, then take out useful signal through the second filter, after power amplifier amplifies, pass to duplexer pass to antenna and be sent to opposite end; At receiving unit: antenna is after the carrier signal receiving the 4.5G that opposite end is sent, through low noise amplifier, signal is amplified, give the first filter and take out useful signal, then through down conversion module by signal frequency conversion to the intermediate-freuqncy signal of 140MHz, then deliver to the demodulation that the first modulation /demodulation module 3 carries out next step after an intermediate frequency amplifies.The structure of the first transceiver channel machine 4 is identical with the structure of the second transceiver channel machine 5.
In sum, radar comprehensive video, original video (test video), bearing signal, video monitoring image etc. carry out compressing by the utility model, coded treatment, and together with network data and other data, be multiplexed to 61.888Mbps high-speeld code-flow, this code stream sends into microwave channel as baseband signal, radiofrequency signal is processed into, by right-handed circular polarization antenna transmission on radar to ground through intermediate frequency Modulation demodulation, the first transceiver channel machine 4; Ground servo antenna received RF signal, through the second transceiver channel machine 5, intermediate frequency Modulation demodulation, tap recovers radar comprehensive video, original video (test video), bearing signal, video monitoring image, network and other data, and send radar ground based terminal to show, ground control command reaches on radar through data transmission equipment simultaneously.The utility model transmission rate reaches as high as 61.888Mb/s, and transmission range is maximum reaches 25km, has that message transmission rate is high, long transmission distance, transmission performance are stablized, transmits data channel variation, feature that environmental suitability is strong.
Claims (7)
1. a 60M Transmission System of Radar Data equipment, it is characterized in that: comprise the first Signal interface module (1) for receiving radar inquisitor data, its output is connected with also dividing the input of the first subdivision connection module (2) of ground plane control command for other data of multiple connection radar, first subdivision connection module (2) and the first modulation /demodulation module (3) both-way communication, the first modulation /demodulation module (3) and the first transceiver channel machine (4) both-way communication; First transceiver channel machine (4) and the second transceiver channel machine (5) are by antenna wireless communication, second transceiver channel machine (5) and the second modulation /demodulation module (6) both-way communication, second modulation /demodulation module (6) with for multiple connection ground control command and the second subdivision connection module (7) both-way communication of tap radar data, the second subdivision connection module (7) with for receiving secondary signal interface module (8) both-way communication of ground control command; The receipts frequency of the first transceiver channel machine (4) is 4.4GHz, and sending out frequency is 4.587 GHz; The receipts frequency of the second transceiver channel machine (5) is 4.587 GHz, and sending out frequency is 4.4GHz.
2. 60M Transmission System of Radar Data equipment according to claim 1, is characterized in that: described first Signal interface module (1), the first subdivision connection module (2), the first modulation /demodulation module (3) and the first transceiver channel machine (4) are arranged on radar; Described secondary signal interface module (8), the second subdivision connection module (7), the second modulation /demodulation module (6) and the second transceiver channel machine (5) are all positioned at ground control indoor.
3. 60M Transmission System of Radar Data equipment according to claim 1, it is characterized in that: described first Signal interface module (1) is made up of the first level shifting circuit and simulation signal generator, the first level shifting circuit, simulation signal generator all with the first subdivision connection module (2) both-way communication; Described secondary signal interface module (8) adopts second electrical level change-over circuit, second electrical level change-over circuit and the second subdivision connection module (7) both-way communication.
4. 60M Transmission System of Radar Data equipment according to claim 1, it is characterized in that: described first subdivision connection module (2) adopts the first subdivision to connect coding-decoding circuit, the first subdivision connect coding-decoding circuit respectively with the first Signal interface module (1), the first modulation /demodulation module (3) both-way communication; Described second subdivision connection module (7) adopts the second subdivision to connect coding-decoding circuit, the second subdivision connect coding-decoding circuit respectively with secondary signal interface module (8), the second modulation /demodulation module (6) both-way communication.
5. 60M Transmission System of Radar Data equipment according to claim 1, it is characterized in that: described first modulation /demodulation module (3) comprises the first data interface circuit, its input is connected with the output of the first subdivision connection module (2), its output is connected with the input of the first data processing circuit, the output of the first data processing circuit is connected with the input of error correcting code circuitry, the output of error correcting code circuitry is connected with the input of data roll off circuit, the output of data roll off circuit is connected with the input of a QPSK modulation circuit, the output of the one QPSK modulation circuit is connected with the input of the first transceiver channel machine (4), the output of the first transceiver channel machine (4) is connected with the input of AGC amplifying circuit, the output of AGC amplifying circuit is connected with the input of the 2nd QPSK modulation circuit, the output of the 2nd QPSK modulation circuit is connected with removing the input of error correction circuit, the output of error correction circuit is gone to be connected with the input of the second data processing circuit, the output of the second data processing circuit is connected with the input of the second data interface circuit, the output of the second data interface circuit is connected with the input of the first subdivision connection module (2).
6. 60M Transmission System of Radar Data equipment according to claim 1, it is characterized in that: described first transceiver channel machine (4) comprises duplexer, duplexer and antenna both-way communication, the output of duplexer is connected with the input of low noise amplifier, the output of low noise amplifier is connected with the input of the first filter, first filter, the output of the first local oscillator unit is all connected with the input of low-converter, the output of low-converter is connected with the input of the first intermediate frequency amplifier, the output of the first intermediate frequency amplifier is connected with the input of the first modulation /demodulation module (3), the output of the first modulation /demodulation module (3) is connected with the input of the second intermediate frequency amplifier, second intermediate frequency amplifier, the output of the second local oscillator unit is all connected with the input of upconverter, the output of upconverter is connected with the input of the second filter, the output of the second filter is connected with the input of power amplifier, the output of power amplifier is connected with the input of duplexer.
7. 60M Transmission System of Radar Data equipment according to claim 1, it is characterized in that: described first transceiver channel machine (4) is by the right-handed circular polarization antenna emitting radio frequency signal earthward on radar, and described second transceiver channel machine (5) receives this radiofrequency signal by servo antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516038.XU CN204180078U (en) | 2014-09-09 | 2014-09-09 | A kind of 60M Transmission System of Radar Data equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516038.XU CN204180078U (en) | 2014-09-09 | 2014-09-09 | A kind of 60M Transmission System of Radar Data equipment |
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| CN204180078U true CN204180078U (en) | 2015-02-25 |
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| CN201420516038.XU Expired - Fee Related CN204180078U (en) | 2014-09-09 | 2014-09-09 | A kind of 60M Transmission System of Radar Data equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152087A (en) * | 2018-07-26 | 2019-01-04 | 同方电子科技有限公司 | A kind of enemy and we's identification function extended method based on radio station |
-
2014
- 2014-09-09 CN CN201420516038.XU patent/CN204180078U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152087A (en) * | 2018-07-26 | 2019-01-04 | 同方电子科技有限公司 | A kind of enemy and we's identification function extended method based on radio station |
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