基于統(tǒng)計(jì)相關(guān)差異的多基地雷達(dá)拖引欺騙干擾識別

孫閩紅; 丁辰偉; 張樹奇; 魯加戰(zhàn); 邵鵬飛

doi:10.11999/JEIT190634

基于統(tǒng)計(jì)相關(guān)差異的多基地雷達(dá)拖引欺騙干擾識別

doi: 10.11999/JEIT190634

1.
杭州電子科技大學(xué)通信工程學(xué)院杭州 310018
2.
中國航天科工集團(tuán)八五一一研究所南京 210000

詳細(xì)信息

作者簡介:
孫閩紅：男，1974年生，教授，研究方向?yàn)槔走_(dá)通信信號處理及抗干擾

丁辰偉：男，1995年生，碩士生，研究方向?yàn)樾盘柵c信息處理

張樹奇：男，1993年生，碩士生，研究方向?yàn)樾盘柵c信息處理

魯加戰(zhàn)：男，1987年生，工程師，研究方向?yàn)樾盘柼幚?/p>
邵鵬飛：男，1994年生，助理工程師，研究方向?yàn)樾盘柗治雠c處理

通訊作者:
丁辰偉　751745548@qq.com

中圖分類號: TN974
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出版歷程
- 收稿日期: 2019-08-26
- 修回日期: 2020-05-24
- 網(wǎng)絡(luò)出版日期: 2020-07-02
- 刊出日期: 2020-12-08

Recognition of Deception Jamming Based on Statistical Correlation Difference in a Multistatic Radar System

1.
College of Communication Engineerin, Hangzhou Dianzi University, Hangzhou 310018, China
2.
China Aerospace Science and Technology Group 8511 Research Institute, Nanjin 210000, China

摘要

摘要: 針對長基線多基地雷達(dá)系統(tǒng)在目標(biāo)跟蹤階段的拖引欺騙干擾識別問題，考慮到真實(shí)目標(biāo)回波在不同節(jié)點(diǎn)雷達(dá)中的幅度相互獨(dú)立，而拖引欺騙干擾假設(shè)來自同一干擾機(jī)，其在不同節(jié)點(diǎn)雷達(dá)中的幅度完全相關(guān)，從而跟蹤波門內(nèi)只有目標(biāo)回波與同時(shí)存在目標(biāo)回波與拖引欺騙干擾這兩種不同情形下的信號幅度存在統(tǒng)計(jì)相關(guān)差異。該文提出利用這一差異實(shí)現(xiàn)多基地雷達(dá)系統(tǒng)的拖引欺騙干擾識別。通過在分析統(tǒng)計(jì)相關(guān)差異的基礎(chǔ)上，對不同節(jié)點(diǎn)雷達(dá)接收到的回波信號幅度序列進(jìn)行相關(guān)性度量及參數(shù)估計(jì)，構(gòu)建檢驗(yàn)統(tǒng)計(jì)量，在給定的虛警概率下實(shí)現(xiàn)了對欺騙干擾的識別。仿真實(shí)驗(yàn)結(jié)果表明，該方法對欺騙干擾具有較好的識別效果，相較于基于擬合優(yōu)度的AD檢測算法，識別概率平均提高18.63%。
- 欺騙干擾 /
- 檢測識別 /
- 多基地雷達(dá)系統(tǒng) /
- 相關(guān)性
Abstract: In multistatic radar system, the real target echoes are independent of each other in different node radars under long-term baseline conditions, but the amplitudes of the deception jamming signals in different node radars are completely correlated because of the jamming signals generated from the same jammer. This paper uses the difference to realize the recognition of deception jamming in multistatic radar system on the stage of tracking. Correlation measurement and parameter estimation are carried out on the amplitude sequence of the received signals by different nodes, and the test statistic is constructed to realize the recognition of deception jamming under the given false alarm probability. The simulation results show that the proposed method has a good performance on the recognition of deception jamming. Compared to the Anderson-Darling (AD) test based on goodness-of-fit, the recognition probability increases by an average of 18.63%.
- Deception jamming /
- Detection and recognition /
- Multistatic radar system /
- Correlation

HTML全文

圖 1 多基地雷達(dá)系統(tǒng)探測目標(biāo)示意圖

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圖 2 基于相關(guān)性的欺騙干擾檢測識別算法流程圖

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圖 3 不同脈沖數(shù)目下欺騙干擾目標(biāo)檢測識別概率

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圖 4 不同虛警概率下欺騙干擾目標(biāo)檢測識別概率

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圖 5 不同干信比下欺騙干擾目標(biāo)檢測識別概率

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圖 6 不同節(jié)點(diǎn)雷達(dá)數(shù)目下欺騙干擾目標(biāo)檢測識別概率

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圖 7 本文算法與AD檢測算法的性能比較

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