CN106301620A - Data transmission system active interference dynamic analog and interference antagonism test system - Google Patents

Data transmission system active interference dynamic analog and interference antagonism test system Download PDF

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Publication number
CN106301620A
CN106301620A CN201610607551.3A CN201610607551A CN106301620A CN 106301620 A CN106301620 A CN 106301620A CN 201610607551 A CN201610607551 A CN 201610607551A CN 106301620 A CN106301620 A CN 106301620A
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CN
China
Prior art keywords
interference
signal
sent
active
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610607551.3A
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Chinese (zh)
Inventor
黄剑斌
李瑞玲
刘渊
袁飞马
李科连
姚先秀
聂志华
黄鹤明
张玮
邓美欢
张玉新
熊薇
赵广超
马文超
沙雪风
王先发
高茜
聂荣
唐旭
周曦
周之丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Hongdu Aviation Industry Group Co Ltd
Original Assignee
Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Hongdu Aviation Industry Group Co Ltd filed Critical Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority to CN201610607551.3A priority Critical patent/CN106301620A/en
Publication of CN106301620A publication Critical patent/CN106301620A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/345Interference values
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/391Modelling the propagation channel
    • H04B17/3911Fading models or fading generators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/391Modelling the propagation channel
    • H04B17/3912Simulation models

Abstract

The invention belongs to system test field.A kind of data transmission system active interference dynamic analog and interference antagonism test system are proposed, including: useful signal simulator (7), simulation produces useful signal, is sent to adjustable attenuator (6);Adjustable attenuator (6), carries out attenuation processing to described useful signal, and the useful signal after decay is sent to signal synthesizer (5);Active interference signal generatord (1), by dynamically adjusting modulation system, interfering energy, interference waveform, the single pattern state of generation or the interference signal of Suresh Kumar assembled state, it is sent to signal synthesizer (5);Signal synthesizer (5), injects useful signal by described interference signal and forms superposed signal, is sent to wireless data and receives equipment (8);Wireless data receives equipment (8), described superposed signal is demodulated decoding and processes, and is monitored analyzing to the data after processing, it is judged that the correctness of the data after described process.

Description

Data transmission system active interference dynamic analog and interference antagonism test system
Technical field
The invention belongs to system test field.
Background technology
Under complex environment, aviation wireless system for transmitting data is easily subject to the impact of the most active interference, causes data There is error code or frame losing in transmission system, and data communication can be caused time serious to interrupt.How to build a kind of data transmission set especially It is the data receiver test system to active jamming rejection, data transmission set active jamming rejection ability is carried out test the most aobvious Obtain most important.And the structure of test environment is generally only the simulation of single mode interference environment, lack the dynamic analog of jamming signal type. The present invention simulates and anti-interference test system by building data transmission set dynamic interference environment, simulates jamming performance realistically Parameter, carries out the test of multi-mode combined interference antagonism, can effectively verify the performance of data transmission system active jamming rejection.
Summary of the invention
The purpose of the present invention: propose a kind of data transmission system active interference dynamic analog and interference antagonism test is System.
Technical scheme:
A kind of data transmission system active interference dynamic analog and interference antagonism test system, including:
Useful signal simulator (7), simulation produces useful signal, is sent to adjustable attenuator (6);
Adjustable attenuator (6), carries out attenuation processing to described useful signal, and the useful signal after decay is sent to signal Synthesizer (5);
Active interference signal generatord (1), by dynamically adjusting modulation system, interfering energy, interference waveform, the list of generation One pattern state or the interference signal of Suresh Kumar assembled state, be sent to signal synthesizer (5);
Signal synthesizer (5), injects useful signal by described interference signal and forms superposed signal, be sent to wireless data and connect Receiving unit (8);
Wireless data receives equipment (8), described superposed signal is demodulated decoding and processes, and enter the data after processing Row monitoring analysis, it is judged that the correctness of the data after described process.
Active interference signal generatord (1) including:
Interference suppressor (3), controls interference signal generator (2) and vector signal source (4) produces different interference signals;
Interference signal generator (2), produces interference signal according to the control of interference suppressor (3) and is sent to vector signal source (4);
Vector signal source (4), produces interference signal according to the control of interference suppressor (3), with interference signal generator (2) The interference signal produced is overlapped forming new interference signal, is sent to signal synthesizer (5).
The interference signal that interference signal generator (2) and vector signal source (4) produce includes following a kind of interference or The combination of interference more than kind: single tone jamming, Multi-tone jamming, the spot jamming of band segment arrowband, block type broadband interference, frequency sweep Interference, impulse disturbances.
Advantages of the present invention:
Data transmission system active interference dynamic analog and interference antagonism test the simulation interference that system can be true to nature Performance parameter, carries out multi-mode combination anti-interference capability testing, can effectively verify the performance of data transmission system active jamming rejection.
Accompanying drawing illustrates:
Fig. 1 is data transmission system of the present invention active interference dynamic analog and interference antagonism test system structure signal Figure.
Detailed description of the invention:
Below in conjunction with the accompanying drawings the present invention is described in further detail.
A kind of data transmission system active interference dynamic analog and interference antagonism test system, as it is shown in figure 1, bag Include:
Useful signal simulator 7, simulation produces useful signal, is sent to adjustable attenuator 6;
Adjustable attenuator 6, carries out attenuation processing to described useful signal, the useful signal after decay is sent to signal and closes Grow up to be a useful person 5;
Active interference signal generatord 1, by dynamically adjusting modulation system, interfering energy, interference waveform, generation single The interference signal of pattern state or Suresh Kumar assembled state, is sent to signal synthesizer 5;
Signal synthesizer 5, injects useful signal by described interference signal and forms superposed signal, is sent to wireless data and receives Equipment 8;
Wireless data receives equipment 8, described superposed signal is demodulated decoding and processes, and carry out the data after processing Monitoring analysis, it is judged that the correctness of the data after described process.
Active interference signal generatord 1 includes:
Interference suppressor 3, controls interference signal generator 2 and vector signal source 4 produces different interference signals;
Interference signal generator 2, produces interference signal according to the control of interference suppressor 3 and is sent to vector signal source 4;
Vector signal source 4, produces interference signal according to the control of interference suppressor 3, with interference signal generator 2 generation Interference signal is overlapped forming new interference signal, is sent to signal synthesizer 5.
The interference signal that interference signal generator 2 and vector signal source 4 produce include following a kind of interference or one with The combination of upper interference: single tone jamming, Multi-tone jamming, the spot jamming of band segment arrowband, block type broadband interference, frequency sweep are done Disturb, impulse disturbances.
Workflow:
The simulation of step 11, useful signal simulator 7 produces useful signal, is sent to adjustable attenuator 6.
Step 12, adjustable attenuator 6 carry out attenuation processing to described useful signal, are sent to by the useful signal after decay Signal synthesizer 5.
Step 13, setting up communication link, described communication link is not as it is shown in figure 1, active interference signal generatord 1 is to signal Synthesizer 5 injects interference signal.
Step 14, interference suppressor 3 control interference signal generator 2 and vector signal source 4 produces different interference signals.
Step 15, interference signal generator 2 produce interference signal according to the control of interference suppressor 3 and are sent to vector signal Source 4.
Step 16, vector signal source 4 produce interference signal according to the control of interference suppressor 3, with interference signal generator 2 The interference signal produced is overlapped forming new interference signal, is sent to signal synthesizer 5.
Described interference signal is injected useful signal and forms superposed signal by step 17, signal synthesizer 5, is sent to wireless number According to receiving equipment 8.
Step 18, wireless data receive equipment 8, described superposed signal is demodulated decoding process, and to process after Data are monitored analyzing, it is judged that after active interference signal generatord 1 is gradually increased interfering energy, and wireless data receives equipment 8 Whether the information after process there is information dropout or error code occurs, if it occur that, then wireless data receives equipment 8 and is in critical work Make state.Interfering energy by the described the most active interference signal generatord of critical excitation record 1.And by described dry Disturb energy the active jamming rejection ability of wireless data reception equipment 8 is estimated.

Claims (3)

1. a data transmission system active interference dynamic analog and interference antagonism test system, it is characterised in that including:
Useful signal simulator (7), simulation produces useful signal, is sent to adjustable attenuator (6);
Adjustable attenuator (6), carries out attenuation processing to described useful signal, and the useful signal after decay is sent to signal syntheses Device (5);
Active interference signal generatord (1), by dynamically adjusting modulation system, interfering energy, interference waveform, the single sample of generation The interference signal of formula state or Suresh Kumar assembled state, is sent to signal synthesizer (5);
Signal synthesizer (5), injects useful signal by described interference signal and forms superposed signal, is sent to wireless data reception and sets Standby (8);
Wireless data receives equipment (8), described superposed signal is demodulated decoding and processes, and supervise the data after processing Control is analyzed, it is judged that the correctness of the data after described process.
2. a kind of data transmission system active interference dynamic analog as claimed in claim 1 and interference antagonism test are System, it is characterised in that active interference signal generatord (1) including:
Interference suppressor (3), controls interference signal generator (2) and vector signal source (4) produces different interference signals;
Interference signal generator (2), produces interference signal according to the control of interference suppressor (3) and is sent to vector signal source (4);
Vector signal source (4), produces interference signal according to the control of interference suppressor (3), produces with interference signal generator (2) Interference signal be overlapped forming new interference signal, be sent to signal synthesizer (5).
3. a kind of data transmission system active interference dynamic analog as claimed in claim 1 and interference antagonism test are System, it is characterised in that the interference signal that interference signal generator (2) and vector signal source (4) produce includes following a kind of interference Or the combination of more than one interference: single tone jamming, Multi-tone jamming, the spot jamming of band segment arrowband, block type broadband are done Disturb, Sweeping nonlinearity, impulse disturbances.
CN201610607551.3A 2016-07-29 2016-07-29 Data transmission system active interference dynamic analog and interference antagonism test system Pending CN106301620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610607551.3A CN106301620A (en) 2016-07-29 2016-07-29 Data transmission system active interference dynamic analog and interference antagonism test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610607551.3A CN106301620A (en) 2016-07-29 2016-07-29 Data transmission system active interference dynamic analog and interference antagonism test system

Publications (1)

Publication Number Publication Date
CN106301620A true CN106301620A (en) 2017-01-04

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CN201610607551.3A Pending CN106301620A (en) 2016-07-29 2016-07-29 Data transmission system active interference dynamic analog and interference antagonism test system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108965083A (en) * 2018-06-13 2018-12-07 四川川润液压润滑设备有限公司 A kind of Modbus-RS485 signal procedure method of active jamming rejection
CN109116142A (en) * 2018-07-20 2019-01-01 固安信通信号技术股份有限公司 The anti-interference emulation test method of track circuit receiver and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101128009A (en) * 2007-09-18 2008-02-20 中兴通讯股份有限公司 A method and device for interference test of WiMAX system
CN103856242A (en) * 2012-11-30 2014-06-11 李祥明 Power-line communication interference devices
CN205123751U (en) * 2014-12-16 2016-03-30 深圳电信研究院 Mobile terminal radio frequency uniformity automatic test system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101128009A (en) * 2007-09-18 2008-02-20 中兴通讯股份有限公司 A method and device for interference test of WiMAX system
CN103856242A (en) * 2012-11-30 2014-06-11 李祥明 Power-line communication interference devices
CN205123751U (en) * 2014-12-16 2016-03-30 深圳电信研究院 Mobile terminal radio frequency uniformity automatic test system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108965083A (en) * 2018-06-13 2018-12-07 四川川润液压润滑设备有限公司 A kind of Modbus-RS485 signal procedure method of active jamming rejection
CN108965083B (en) * 2018-06-13 2020-09-18 四川川润液压润滑设备有限公司 Active interference resistant Modbus-RS485 communication program method
CN109116142A (en) * 2018-07-20 2019-01-01 固安信通信号技术股份有限公司 The anti-interference emulation test method of track circuit receiver and system

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