Mathematic principles of interrupted-sampling repeater jamming (ISRJ)

查看全文 作　　者：WANG XueSong LIU JianCheng ZHANG WenMing FU QiXiang LIU Zhong XIE [1]XiaoXia

机构地区：[1]School of Electronics Science and Engineering, National University of Defense Technology, Changsha410073, China

出　　处：《Science in China(Series F)》索引2007年第50卷第1期,共11页

摘　　要：Coherent jamming is one of the important trends in modern radar electronic war- fare. High-speed sampling of wideband radio frequency (RF) signals and high iso- lation of two receive-transmit antennas are key technologies for the realization of coherent jamming. However, these technologies present significant challenges to engineering application. In this paper, a novel repeater jamming based on inter- rupted sampling technique is presented. For a jammer with a receive-transmit time-sharing antenna, a radar signal is sampled with a low rate by the jammer. Then, a train of false targets will be achieved after the jamming signal feed the matched filter of a pulse compression radar. For the case of the linear frequency modulated (LFM) pulse compression radars, mathematic principles of the interrupted-sam- pling repeater jamming is developed, and then the efficiency of the jamming is de- scribed and stated as expressions of key parameters which are also beneficial to the jamming design for other coherent radars. 关键词：取样法天线雷达信号干扰发射脉冲

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Mathematic principles of interrupted-sampling repeater jamming (ISRJ)

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