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      The Impact of Sidelobe Suppression in Shift-frequency Jamming against LFM

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          Abstract

          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 shift-frequency.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 September 2013
          : 1
          : 3
          : 270-276
          Affiliations
          [1 ] School of IoT Engineering, Jiangnan University
          [2 ] Department of Electronic Engineering, Tsinghua University
          Article
          b102b65d36b74f8383868db9d509e4c3
          10.3724/SP.J.1300.2012.20028

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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