False Targets Suppression of Integral Power Frequency Modulated Waveform for Countering Interrupted Sampling Repeater Jamming

被引：5
|
作者：
Fan, Beichen [1 ]
Du, Xiaoyong [1 ]
Hu, Weidong [1 ]
机构：
[1] Natl Univ Def Technol, Natl Key Lab Sci & Technol Automat Target Recognit, Changsha 410073, Peoples R China
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2023年 / 20卷
关键词：
Jamming; Doppler effect; Frequency modulation; Repeaters; Radar imaging; Filtering; Delays; Ambiguity function (AF); interrupted sampling repeater jamming (ISRJ); jamming suppression; power frequency modulated (PFM) waveform; FILTER; DESIGN;
D O I：
10.1109/LGRS.2023.3279361
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The false targets generated by interrupted sampling repeater jamming (ISRJ) bring serious threats to radar target detection and imaging. Transmitted waveform design with joint processing has become a promising way to deal with them. In this letter, the ambiguity function (AF) of the integral power frequency modulated (PFM) waveform is derived. Meanwhile, the time-frequency characteristic of the ISRJ signal received by the radar is analyzed on the range-Doppler plane. In consideration of the range-Doppler coupling characteristic, an improved Doppler filtering processing method is proposed to suppress the jamming of false targets. Simulation results demonstrate that the selected PFM waveform with the proposed joint processing method can effectively suppress the false targets resulting from ISRJ.
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收藏
页数：5
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