CN102916752A - Automatic generation method and device of complex interference - Google Patents
Automatic generation method and device of complex interference Download PDFInfo
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- CN102916752A CN102916752A CN2012101379459A CN201210137945A CN102916752A CN 102916752 A CN102916752 A CN 102916752A CN 2012101379459 A CN2012101379459 A CN 2012101379459A CN 201210137945 A CN201210137945 A CN 201210137945A CN 102916752 A CN102916752 A CN 102916752A
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Abstract
The invention provides an automatic generation method and device of a complex interference. The technical scheme of the automatic generation method of a complex interference comprises the following steps: selecting interference modes required for the generation of the complex interference; setting interference parameters of each interference mode; generating the interference of each interference mode; and performing linear superposition and upconversion on the interferences of all the interference modes to generate the complex interference. The automatic generation device of a complex interference comprises a display control unit, a data generation module, a baseband signal generation module and a combination and upconversion module, wherein the display control unit is used for transmitting the interference modes and the interference parameters to the data generation module; the data generation module is used for generating baseband signal data of the interferences; the baseband signal generation module is used for converting the baseband signal data into baseband signals of the interferences through a digital-to-analog converter; and the combination and upconversion module is used for performing linear superposition on the baseband signals of the various interferences to generate and output the complex interference. According to the invention, the interference types and the interference parameters can be flexibly configured to automatically generate the required complex interference.
Description
Technical field
The present invention relates to communication technical field, particularly the interfere generation in the test of radio receiver interference free performance relates to a kind of complicated automatic generating method and device that disturbs more specifically.
Background technology
Under the environment of future battlefield, military radio receiver will inevitably face the various complicated application scenarioss that disturb, and the power of antijamming capability becomes the important indicator of weighing military radio receiver performance.In the product test stage of military radio receiver its antijamming capability is fully tested and can be verified anti-interference algorithm, in time pinpoint the problems and improve, thus the survival ability of raising equipment under battlefield surroundings.
Under the actual battlefield surroundings, the interference that radio receiver receives may be contained various single interference or the more complicated composite interference that has occurred at present.Several frequently seen simple interference or claim single interference to comprise single-frequency, pulse, frequency sweep, arrowband/broadband Gauss, multiple access, deception etc., wherein:
Single-frequency is disturbed, and expression formula is:
Wherein, A is signal amplitude, and ω is carrier angular frequencies,
Be initial phase.
Frequency sweep is disturbed, continuous scanning in a band frequency scope, and sweep speed is generally than very fast.Instantaneous at each, frequency sweep is disturbed and to be shown as a single carrier, but its interference frequency changes, and amplitude is substantially constant.Its expression formula is:
Wherein, A is signal amplitude, and ω is carrier angular frequencies, and K is sweep rate, and B is the frequency sweep bandwidth,
Be first phase.
Arrowband/broadband Gauss disturbs, and its expression formula is:
Wherein, A (t) is arrowband/wideband baseband signal, and being shaped by band pass filter by white Gaussian noise obtains; ω is carrier angular frequencies,
Be first phase.When A (t) bandwidth was zero, arrowband/broad-band interference deteriorated to single-frequency and disturbs.
In order to simulate as far as possible the true Antagonistic Environment that may face, the test scene that needs is many, and test volume is huge.And in the existing radio receiver interference free performance test, the jamming signal type of generation is single, and scene is simple, can not test fully military radio receiver.On the other hand, existing interfere generation need to carry out loaded down with trivial details manual operation to instrument panel, and the switching of interference type is wasted time and energy, inefficiency, brings great inconvenience to test.Therefore, research disturbs automatic generating method and device to have important practical significance efficiently.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of complicated automatic generating method and device that disturbs, but flexible configuration interference type and interference parameter generates complicated the interference.
Technical scheme of the present invention provides a kind of complicated automatic generating method that disturbs, and it is characterized in that, comprises the steps:
Select the required jamming signal type of the complicated interference of generation, the interference parameter of every kind of jamming signal type is set, generate the interference of every kind of jamming signal type, linear superposition and the complicated interference of up-conversion generation are carried out in the interference of every kind of jamming signal type.
The present invention also provides a kind of complicated automation generating apparatus that disturbs, and it is characterized in that, comprising:
Show the control unit, be used for accepting the outside control command of inputting, and give data generation module with jamming signal type and interference parameter;
Data generation module is used for generating the baseband signal data of disturbing, and gives the baseband signal generation module;
The baseband signal generation module is crossed the baseband signal that digital to analog converter changes into interference with the baseband signal data communication device, and gives and close road and up-converter module;
Close road and up-converter module, the baseband signal of various interference is carried out linear superposition, then be modulated on the needed radio-frequency carrier through up-conversion, to generate and the complicated interference of output.
The present invention generates required complexity with automation and disturbs by flexible configuration interference type and interference parameter.Utilize device provided by the invention to avoid the manual operation loaded down with trivial details to instrument panel, can realize quick, the efficient switching between required various types of complicated the interference, operating process is simple, and execution complexity and the cost that can effectively reduce the test of radio receiver interference free performance drop into.
Description of drawings
Fig. 1 is the complicated principle process schematic diagram that disturbs automatic generating method provided by the invention;
Fig. 2 is the complicated structure chart that disturbs the automation generating apparatus provided by the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be noted that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the complicated principle process schematic diagram that disturbs automatic generating method provided by the invention, as shown in the figure, may further comprise the steps:
Step S11 selects to generate the complicated required jamming signal type that disturbs.Comprise single-frequency, pulse, frequency sweep, arrowband/broadband Gauss, multiple access, deception such as jamming signal type, also can select as required other jamming signal types.
Step S12 arranges the interference parameter of every kind of jamming signal type.Take the frequency sweep interference as example, interference parameter comprises centre frequency, sweep rate, frequency sweep bandwidth, initial phase and the power that frequency sweep is disturbed.
Step S13 generates the interference of every kind of jamming signal type.According to above-mentioned jamming signal type and interference parameter, generate the base band data of various jamming signal types with software (such as MATLAB), and generate the interference base band signal by digital-to-analogue conversion.
Step S14 carries out linear superposition with various interference and up-conversion generates complicated the interference.The baseband signal of various interference is superposeed, generate complicated interference base band signal, then be modulated to needed carrier frequency through up-conversion and get on, generate final complexity and disturb.
Fig. 2 has provided the complicated structure chart that disturbs the automation generating apparatus provided by the invention, as shown in the figure, comprises control unit 21, data generation module 22, baseband signal generation module 23 in the device, closes road and up-converter module 24.
The aobvious unit 21 of controlling, for the control command that receives outside input, the control command content comprises the jamming signal type of needs generation and the parameter of jamming signal type, disturbs thereby realization control device provided by the invention generates dissimilar complexity.Aobvious control unit is realized by general purpose PC.
Baseband signal generation module 23 is used for storing the various interference base band data of above-mentioned generation, and will disturb the base band data communication device to cross digital to analog converter to convert the interference base band signal to.This module comprises RAM/ROM and digital to analog converter, and wherein RAM/ROM is used for storing the base band data of interference, and digital to analog converter converts base band data to analog signal.
Close road and up-converter module 24, be used for each road interference base band signal is closed the road and carries out up-conversion, modulate the signal on the needed carrier frequency, thereby generate final complicated interference signal.
Claims (2)
1. a complicated automatic generating method that disturbs is characterized in that, comprises the steps:
Select the required jamming signal type of the complicated interference of generation, the interference parameter of every kind of jamming signal type is set, generate the interference of every kind of jamming signal type, linear superposition and the complicated interference of up-conversion generation are carried out in the interference of every kind of jamming signal type.
2. a complicated automation generating apparatus that disturbs is characterized in that, comprising:
Show the control unit, be used for accepting the outside control command of inputting, and give data generation module with jamming signal type and interference parameter;
Data generation module is used for generating the baseband signal data of disturbing, and gives the baseband signal generation module;
The baseband signal generation module is crossed the baseband signal that digital to analog converter changes into interference with the baseband signal data communication device, and gives and close road and up-converter module;
Close road and up-converter module, the baseband signal of various interference is carried out linear superposition, then be modulated on the needed radio-frequency carrier through up-conversion, to generate and the complicated interference of output.
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| CN2012101379459A CN102916752A (en) | 2012-05-07 | 2012-05-07 | Automatic generation method and device of complex interference |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368670A (en) * | 2013-07-05 | 2013-10-23 | 上海华为技术有限公司 | Method and device for generating simulated interference |
| CN103795474A (en) * | 2014-03-05 | 2014-05-14 | 北京中科飞鸿科技有限公司 | Signal interference method and device |
| CN107979436A (en) * | 2017-11-10 | 2018-05-01 | 广州海格通信集团股份有限公司 | Interference signal generation method, device, computer equipment and storage medium |
| CN108306656A (en) * | 2017-12-19 | 2018-07-20 | 中国人民解放军火箭军工程大学 | Baseband signal design and unmanned vehicle distant control chain circuit is interfered to collide interference method |
| CN109728960A (en) * | 2017-10-27 | 2019-05-07 | 大唐移动通信设备有限公司 | A kind of test method and device |
| CN111970084A (en) * | 2020-07-08 | 2020-11-20 | 北京航天华腾科技有限公司 | Interference signal generating device and method and interference signal source equipment |
| CN111970219A (en) * | 2020-08-31 | 2020-11-20 | 中国电子科技集团公司第五十四研究所 | Method for generating single carrier digital modulation interference signal and interference case base |
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| CN101986573A (en) * | 2010-10-25 | 2011-03-16 | 中兴通讯股份有限公司 | Spectrum interference canceling device, system and method for dual-mode communication system |
| US20110096864A1 (en) * | 2009-10-28 | 2011-04-28 | Maxlinear, Inc. | Programmable digital clock control scheme to minimize spur effect on a receiver |
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| CN101349740A (en) * | 2008-07-29 | 2009-01-21 | 北京航空航天大学 | General-purpose satellite navigation signal interference source and method for generating signal thereof |
| US20110096864A1 (en) * | 2009-10-28 | 2011-04-28 | Maxlinear, Inc. | Programmable digital clock control scheme to minimize spur effect on a receiver |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368670A (en) * | 2013-07-05 | 2013-10-23 | 上海华为技术有限公司 | Method and device for generating simulated interference |
| CN103368670B (en) * | 2013-07-05 | 2016-06-15 | 上海华为技术有限公司 | A kind of method producing simulation interference and device |
| CN103795474A (en) * | 2014-03-05 | 2014-05-14 | 北京中科飞鸿科技有限公司 | Signal interference method and device |
| CN103795474B (en) * | 2014-03-05 | 2016-05-18 | 北京中科飞鸿科技有限公司 | A kind of signal interference method and device |
| CN109728960A (en) * | 2017-10-27 | 2019-05-07 | 大唐移动通信设备有限公司 | A kind of test method and device |
| CN107979436A (en) * | 2017-11-10 | 2018-05-01 | 广州海格通信集团股份有限公司 | Interference signal generation method, device, computer equipment and storage medium |
| CN108306656A (en) * | 2017-12-19 | 2018-07-20 | 中国人民解放军火箭军工程大学 | Baseband signal design and unmanned vehicle distant control chain circuit is interfered to collide interference method |
| CN111970084A (en) * | 2020-07-08 | 2020-11-20 | 北京航天华腾科技有限公司 | Interference signal generating device and method and interference signal source equipment |
| CN111970084B (en) * | 2020-07-08 | 2023-08-11 | 北京航天华腾科技有限公司 | Interference signal generation device, method and interference signal source equipment |
| CN111970219A (en) * | 2020-08-31 | 2020-11-20 | 中国电子科技集团公司第五十四研究所 | Method for generating single carrier digital modulation interference signal and interference case base |
| CN111970219B (en) * | 2020-08-31 | 2021-06-29 | 中国电子科技集团公司第五十四研究所 | Method for generating single carrier digital modulation interference signal and interference case base |
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Application publication date: 20130206 |