移频干扰中旁瓣抑制对LFM的影响

Q2 Physics and Astronomy
Huang Chongpeng, Wang Jian, Xue Baoguo
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引用次数: 0

摘要

旁瓣抑制(SS)几乎可以在每一个线性调频脉冲雷达接收机上找到;移频干扰(SFJ)是利用LFM信号固有的时延和频移耦合特性实现欺骗干扰的重要手段。在此基础上,利用时延和频移率等归一化参数分析了带SS的线性调频的模糊间函数。然后重点讨论了3:1锥比加权、Hamming加权和余弦平方加权,并对检测的相关参数进行了分析。与无SS相比,加权移频信号对干扰损失和加权移频干扰对噪声损失表现为M函数,最大移频速率点为±0.29。而加权移频脉宽损失的影响是不确定的
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Impact of Sidelobe Suppression in Shift-frequency Jamming against LFM
Sidelobe Suppression (SS) can be found on almost every Linear Frequency Modulated (LFM) pulse radar receiver; Shift-Frequency Jamming (SFJ) is an important method to realize deception jamming using the inherent coupling property between time-delay and frequency-shift of this LFM signal. So, the Inter-Ambiguity Function (IAF) of LFM with SS using normalized parameters including time-delay rate and shift-frequency rate is analyzed. Then the 3:1 cone than weighted, Hamming weighted and cosine square weighted are focused and some parameters related to detection are analyzed. Compared with the none SS, the weighted shift-frequency signal to Jamming loss and the weighted shift-frequency jamming to noise loss are present like M function having the max shift-frequency rate point equal to ± 0.29. And the impact of weighted shift-frequency pulse-width loss are decide by none
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来源期刊
雷达学报
雷达学报 Physics and Astronomy-Instrumentation
CiteScore
4.10
自引率
0.00%
发文量
882
期刊介绍: Information not localized
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