CN204302415U - A kind of complex background electromagnetic signal simulator - Google Patents
A kind of complex background electromagnetic signal simulator Download PDFInfo
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- CN204302415U CN204302415U CN201420775380.1U CN201420775380U CN204302415U CN 204302415 U CN204302415 U CN 204302415U CN 201420775380 U CN201420775380 U CN 201420775380U CN 204302415 U CN204302415 U CN 204302415U
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Abstract
A kind of complex background electromagnetic signal simulator, comprise system controller and multi-channel signals generator, described multi-channel signals generator connects frequency converter, frequency converter connects power amplifier and synthesis detection unit, power amplifier is connected with synthesis detection unit, antenna, synthesis detection unit also connects spectrum analyzer, and described system controller connects multi-channel signals generator, frequency converter and spectrum analyzer.Complex background electromagnetic signal simulator of the present utility model can produce the complex background electromagnetic environment be made up of maximum 500 road signals, adaptive testing under complex electromagnetic environment and inspection are carried out to the equipment that will put goods on the market especially communication equipment, thus reduces the interference phenomenon that complicated electromagnetic environment brings communication equipment.
Description
Technical field
The utility model relates to a kind of complex electromagnetic environment simulating assembly, is specifically related to a kind of complex background electromagnetic signal simulator.
Background technology
Along with the fast development of modern information technology, electromagnetic signal kind, the quantity in space get more and more, electromagnetic environment becomes increasingly complex, thing followed electromagnetic interference phenomenon is also day by day serious, present with equipment is many frequently, covering frequency range is wide, the overlapping serious feature of frequency interleave, very easily occur that the electromagnetism between system is disturbed mutually, time serious, communication disruption, system down can be caused, have a strong impact on the overall efficiency of electronics especially communication system.Therefore, be necessary to copy adaptive testing under electromagnetic environment and inspection to the electronic equipment put goods on the market especially communication equipment.
Utility model content
In order to solve the problem, the utility model provides a kind of complex background electromagnetic signal simulator and complex background electromagnetic environment generation method.
The purpose of this utility model is achieved through the following technical solutions:
A kind of complex background electromagnetic signal simulator, comprise system controller, multi-channel signals generator and power supply unit, described multi-channel signals generator connects frequency converter, frequency converter connects power amplifier and synthesis detection unit, power amplifier is connected with synthesis detection unit, antenna, synthesis detection unit connects frequency converter, power amplifier and spectrum analyzer, and described system controller connects multi-channel signals generator, frequency converter and spectrum analyzer.
Described multi-channel signals generator connects frequency converter by four signal output channels, and described four signal output channels are respectively CH1, CH2, CH3, CH4.
Described power amplifier comprises power amplifier I, power amplifier II, power amplifier III and power amplifier IV.
Described system controller connects spectrum analyzer by IEEE488 interface, connects frequency converter by RS232 interface, connects spectrum analyzer by IEEE488 interface.
Complex background electromagnetic signal simulator of the present utility model can produce the complex background electromagnetic environment be made up of maximum 500 road signals, adaptive testing under complex electromagnetic environment and inspection are carried out to the equipment that will put goods on the market especially communication equipment, thus reduces the interference phenomenon that complicated electromagnetic environment brings communication equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of complex background electromagnetic signal simulator in the utility model.
Detailed description of the invention
A kind of complex background electromagnetic signal simulator, comprise system controller 1, multi-channel signals generator 2 and power supply unit, described multi-channel signals generator 2 connects frequency converter 3, frequency converter 3 connects power amplifier 4 and synthesis detection unit 5, power amplifier 4 is connected with synthesis detection unit 5, antenna 6, synthesis detection unit 5 connects frequency converter 3, power amplifier 4 and spectrum analyzer 7, and described system controller 1 connects multi-channel signals generator 2, frequency converter 3 and spectrum analyzer 7.Described multi-channel signals generator 2 connects frequency converter 3 by four signal output channels, and described four signal output channels are respectively CH1, CH2, CH3, CH4.Described power amplifier 4 comprises power amplifier I, power amplifier II, power amplifier III, power amplifier IV.Described system controller 1 connects multi-channel signals generator 2 by IEEE488 interface, connects frequency converter 3 by RS232 interface, connects spectrum analyzer 7 by IEEE488 interface.
Multi-channel signals generator 2 is utilized to generate 1.5 ~ 30MHz, 30 ~ 215MHz, 1.5 ~ 215MHz and 60 ~ 360MHz frequency range intermediate-freuqncy signal, these intermediate-freuqncy signals are by maximum 500 road CW, SSB, ASK, FSK, psk signal and AM, FM signal forms, this intermediate-freuqncy signal by frequency converter and power amplifier through frequency conversion, 500 ~ 1000 mutual incoherent background electromagnetic signals in tunnel can be produced in 1.5 ~ 1300MHz frequency range after combination, these signals connect antenna 6 by interface 8, reasons for its use electromagnetic signal major part is stablized constant, the fraction signal of the emphasis frequency range chosen carries out refreshing conversion, close to the situation of change of actual spatial electromagnetic signal.Described 500 ~ 1000 mutual incoherent background electromagnetic signals in tunnel are all in 1.5 ~ 1300MHz arbitrary band 300MHz bandwidth.Described major part stablize that constant signal accounts for total way 60% ~ 80%, the signal that described fraction carries out refreshing conversion accounts for 20% ~ 40% of total way.When in described multi-channel signals generator, CH1 and CH2 does main channel, generation major part is stablized 60% ~ 80%, channel C H3 and the CH4 fraction background signal changing refreshing that constant background signal accounts for total way and is accounted for 20% ~ 40% of total way; When channel C H1 does main channel, produce stablize that constant background signal accounts for total way 70%, channel C H2, CH3 and the CH4 background signal refreshed that changes accounts for 30% of total way.
Multi-channel signals generator is SONY-Tek and AWG520 type arbitrarily signal generating device.
Claims (4)
1. a complex background electromagnetic signal simulator, comprise system controller (1), multi-channel signals generator (2) and power supply unit, it is characterized in that: described multi-channel signals generator (2) connects frequency converter (3), frequency converter (3) connects power amplifier (4) and synthesis detection unit (5), power amplifier (4) and synthesis detection unit (5), antenna (6) is connected, synthesis detection unit (5) connects frequency converter (3), power amplifier (4) and spectrum analyzer (7), described system controller (1) connects multi-channel signals generator (2), frequency converter (3) and spectrum analyzer (7).
2. a kind of complex background electromagnetic signal simulator according to claim 1, it is characterized in that: described multi-channel signals generator (2) connects frequency converter (3) by four signal output channels, and described four signal output channels are respectively CH1, CH2, CH3, CH4.
3. a kind of complex background electromagnetic signal simulator according to claim 1, is characterized in that: described power amplifier (4) comprises power amplifier I, power amplifier II, power amplifier III and power amplifier IV.
4. a kind of complex background electromagnetic signal simulator according to claim 1, it is characterized in that: described system controller (1) connects multi-channel signals generator (2) by IEEE488 interface, connect frequency converter (3) by RS232 interface, connect spectrum analyzer (7) by IEEE488 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775380.1U CN204302415U (en) | 2014-12-10 | 2014-12-10 | A kind of complex background electromagnetic signal simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775380.1U CN204302415U (en) | 2014-12-10 | 2014-12-10 | A kind of complex background electromagnetic signal simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302415U true CN204302415U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420775380.1U Expired - Fee Related CN204302415U (en) | 2014-12-10 | 2014-12-10 | A kind of complex background electromagnetic signal simulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN204302415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569655A (en) * | 2014-12-10 | 2015-04-29 | 中国人民解放军63888部队 | Complex background electromagnetic signal simulator and complex background electromagnetic environment generating method |
| CN117665412A (en) * | 2024-01-31 | 2024-03-08 | 成都世源频控技术股份有限公司 | Radar simulator for simulating complex electromagnetic environment |
-
2014
- 2014-12-10 CN CN201420775380.1U patent/CN204302415U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569655A (en) * | 2014-12-10 | 2015-04-29 | 中国人民解放军63888部队 | Complex background electromagnetic signal simulator and complex background electromagnetic environment generating method |
| CN104569655B (en) * | 2014-12-10 | 2017-05-31 | 中国人民解放军63888部队 | Complex background electromagnetic signal simulator and complex background electromagnetic environment generation method |
| CN117665412A (en) * | 2024-01-31 | 2024-03-08 | 成都世源频控技术股份有限公司 | Radar simulator for simulating complex electromagnetic environment |
| CN117665412B (en) * | 2024-01-31 | 2024-04-19 | 成都世源频控技术股份有限公司 | Radar simulator for simulating complex electromagnetic environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151210 |
|
| EXPY | Termination of patent right or utility model |