航天电子对抗
航天電子對抗
항천전자대항
AEROSPACE ELECTRONIC WARFARE
2014年
4期
49-52
,共4页
间歇采样%有源干扰%卷积调制
間歇採樣%有源榦擾%捲積調製
간헐채양%유원간우%권적조제
intermittent sampling%active jamming%convolution modulation
对雷达的有源干扰技术进行了研究,针对高空飞行器干扰机功率小的特点提出了一种基于噪声卷积调制的间歇采样转发干扰技术。仿真分析结果表明:此干扰技术产生的干扰信号和雷达信号具有较强的相干性,干扰信号的能量可以进入雷达接收机,提高了干扰信号功率利用率;合理的噪声调制信号可以对脉冲压缩雷达进行欺骗干扰或压制干扰,有利于提高高空飞行器的突防概率。
對雷達的有源榦擾技術進行瞭研究,針對高空飛行器榦擾機功率小的特點提齣瞭一種基于譟聲捲積調製的間歇採樣轉髮榦擾技術。倣真分析結果錶明:此榦擾技術產生的榦擾信號和雷達信號具有較彊的相榦性,榦擾信號的能量可以進入雷達接收機,提高瞭榦擾信號功率利用率;閤理的譟聲調製信號可以對脈遲壓縮雷達進行欺騙榦擾或壓製榦擾,有利于提高高空飛行器的突防概率。
대뢰체적유원간우기술진행료연구,침대고공비행기간우궤공솔소적특점제출료일충기우조성권적조제적간헐채양전발간우기술。방진분석결과표명:차간우기술산생적간우신호화뢰체신호구유교강적상간성,간우신호적능량가이진입뢰체접수궤,제고료간우신호공솔이용솔;합리적조성조제신호가이대맥충압축뢰체진행기편간우혹압제간우,유리우제고고공비행기적돌방개솔。
The radar active jamming technology is studied .According to the characteristics of high-altitude vehicle jammer ,based on a noise convolution modulation the intermittent sampling repeater jamming technology is presented .The simulation analysis results show ,the interference signal and radar signal of the technology has very strong dependency , interference signal energy can enter the radar receiver , and the utilization rate of power is improved .Reasonable noise modulation signal of pulse compression radar can be used to cheat interference or susppression disturbance ,advantageous to improve the penetration probability of high-altitude aerocraft .