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Journal of Projectiles, Rockets, Missiles and Guidance >

2020 , Vol. 40 >Issue 3: 45 - 48

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2020.03.011

The Comparison and Analysis of Two Jamming Effect of Stepped Frequency Modulated ISAR Radar

  • ZHOU Zhizeng ,
  • LIU Peng ,
  • DING Guiqiang ,
  • WANG Yonghai
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  • Luoyang Electronic Equipment Test Center, Henan Mengzhou 454750, China

Received date: 2019-05-08

  Online published: 2025-02-12

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Abstract

FM-step radar signal can synthesize high resolution 2D image with low instantaneous bandwidth which owns high processing gain and strong anti-noise jamming ability. For poor effect on the FM- step radar with the conventional narrowband noise interference, it dissects the one-dimensional distance image based on the imaging mechanism of FM-step radar. A new method is proposed to improve the interface effect by destroying the one-dimensional range image by noise convolution. Combined with the theventional noise interference and convolution interference, the contrastive analysis of two gamming is carried out based on the collected real data. Compared with conventional narrow-band interference, the results show that convolutional noise interference has lower requirement for interference power and better interference effect under the same jamming signal ratio.

Key words： FM-step radar; high resolution 2D image; narrowband noise interference; convolutional noise interference; one-dimensional distance image

Cite this article

ZHOU Zhizeng , LIU Peng , DING Guiqiang , WANG Yonghai . The Comparison and Analysis of Two Jamming Effect of Stepped Frequency Modulated ISAR Radar[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2020 , 40(3) : 45 -48 . DOI: 10.15892/j.cnki.djzdxb.2020.03.011

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