| 基于多输入多输出技术的无源雷达信号模型 |
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| 引用本文： | 李军,李会勇,刘红明,罗玲,高昭昭.基于多输入多输出技术的无源雷达信号模型[J].电波科学学报,2011(4):802-806,824. |
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| 作者姓名： | 李军 李会勇 刘红明 罗玲 高昭昭 |
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| 作者单位： | 电子科技大学电子工程学院;电子信息控制重点实验室; |
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| 基金项目： | 电子信息控制重点实验室项目资助(20090102); 中央高校基本科研业务费专项资金资助(2009J015) |
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| 摘 要： | 借鉴正交信号多输入多输出(MIMO)雷达的思想,利用多个照射源信号进行目标探测与定位,可显著改善无源雷达的系统性能。以调频广播信号无源雷达为背景,研究了多照射源条件下的雷达信号模型及相参合成原理,分析了各信号间的相位关系和影响信号相参合成的各种因素。结果表明:只要能有效消除各信号间的差异相位项,实现多照射源信号相参合成、改善无源雷达检测信噪比是切实可行的。
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| 关 键 词： | 多输入多输出(MIMO) 无源雷达 信号模型 相参合成 |
Signal model of passive radar based on MIMO technique |
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| LI Jun LI Hui-yong LIU Hong-ming LUO Ling GAO Zhao-zhao.Signal model of passive radar based on MIMO technique[J].Chinese Journal of Radio Science,2011(4):802-806,824. |
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| Authors: | LI Jun LI Hui-yong LIU Hong-ming LUO Ling GAO Zhao-zhao |
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| Affiliation: | LI Jun1 LI Hui-yong1 LIU Hong-ming1 LUO Ling1 GAO Zhao-zhao2 (1.School of electronic engineering,University of Electronic Science and Technology of China,Chengdu Sichuan 611731,China,2.Science and Technology on Electronic Information Control Laboratory,Chengdu Sichuan 610036,China) |
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| Abstract: | It is valid to improve the system performance of passive radar by utilizing multiple illuminators for detection and position,drawing on the idea of orthogonal signal Multiple-input Multiple-output(MIMO) radar.Aimed at the passive radar based on FM broadcasting signal,this paper researches the signal model and the principle of coherent synthesis based on multiple FM radio channels,analyzes the phase relation of each signal,and gives the phase items that influence coherent synthesis.The study shows it is feas... |
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| Keywords: | MIMO passive radar signal model coherent integration |
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