联合时频分布和压缩感知对抗频谱弥散干扰

发布时间：2017-12-27 10:24

  本文关键词：联合时频分布和压缩感知对抗频谱弥散干扰　出处：《电子与信息学报》2016年12期 　论文类型：期刊论文

  更多相关文章： 有源欺骗干扰 干扰抑制 时频分析 压缩感知

【摘要】：频谱弥散(SMSP)干扰是一种专门对抗线性调频脉冲雷达的有源欺骗干扰。针对SMSP干扰的抑制问题,该文根据该干扰的时频分布特性,提出一种联合时频分布和压缩感知的干扰抑制算法。该方法通过在时频域丢弃SMSP干扰信号,保留属于目标信号的时频点,并根据保留的时频点与雷达回波频谱间的线性关系,建立压缩感知最小问题求解模型并利用正交匹配追踪方法重构目标信号,实现对SMSP干扰的抑制。Monte Carlo仿真结果验证了该方法的有效性。
[Abstract]:Spectrum dispersion (SMSP) interference is a kind of active deception jamming which is specially against LFM radar. In view of the suppression of SMSP interference, this paper proposes a joint time-frequency distribution and compression sensing interference suppression algorithm based on the time-frequency distribution characteristics of the interference. By this method in the time-frequency domain discarded SMSP interference signal, while preserving frequency belongs to the target signal, and according to the linear relationship between frequency reservation and radar echo spectrum, a compression model aware minimum problem and using the orthogonal matching pursuit method to reconstruct the target signal of SMSP interference suppression. The simulation results of Monte Carlo verify the effectiveness of the method.
【作者单位】： 西安电子科技大学雷达信号处理国家重点实验室;
【基金】：国家自然科学基金(61271297,61272281,61301284) 博士学科点科研专项基金(20110203110001)~~
【分类号】：TN974
【正文快照】： 1引言有源欺骗干扰严重降低雷达对目标的检测性能。而基于数字射频存储(Digital Radio FrequencyMemory,DRFM)技术的频谱弥散(SMearedSPectrum,SMSP)干扰是一种专门对抗线性调频(Linear Frequency Modulated,LFM)脉冲雷达的有源欺骗干扰方式[1]。干扰机对截获的雷达信号进行采，

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