無源單脈沖雷達(dá)多干擾源目標(biāo)分辨方法
Resolution method of multiple jammers for passive monopulse radar
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摘要: 對同時進(jìn)入單脈沖雷達(dá)主波束內(nèi)的多個寬帶噪聲調(diào)頻干擾源進(jìn)行角度分辨是非常困難的,該文分析了單脈沖雷達(dá)接收機對寬帶噪聲調(diào)頻干擾信號的響應(yīng),通過適當(dāng)選擇接收機帶寬,使接收機輸出的干擾脈沖分離,并通過測量瞬時角信息,用統(tǒng)計分析法分辨多個干擾源目標(biāo)角度,計算機仿真證實了該方法的正確性和有效性。
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關(guān)鍵詞:
- 無源單脈沖雷達(dá); 角度分辨; 噪聲調(diào)頻干擾
Abstract: It is very difficult to resolve multiple jammers in the mainlobe of a passive monopulse radar. This paper discusses monopulse radar response to noise frequency modulation (FM) jamming. By means of selecting proper receiver bandwidth, it makes jamming pulses (receiver output) separate. Then instantaneous angles of jammers are measured. These angles can be resolved by a statistic method. The method is verified with the results of computer simulation. -
林象平,雷達(dá)對抗原理,西安,西北電訊工程學(xué)院出版社,1985,263-273,330-335.[2]吳祈耀等,統(tǒng)計無線電技術(shù),北京,國防工業(yè)出版社,1980,139-146.[3]韓培堯,雷達(dá)抗干擾技術(shù),北京,國防工業(yè)出版社,1980,75-86.[4]A.G. Self, Intercept time and its prediction, IEE Proc.-F, 1985, 132(4), 215-222.[5]Irving Kanter, Varieties of average monopulse responses to multiple target, IEEE Trans. on AES,1981, 17(1), 25-28. -
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