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

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.

Journal

Title: Journal of Radars

Publisher: Chinese Academy of Sciences

Publication date (Electronic): 01 September 2013

Volume: 1

Issue: 3

Pages: 270-276

Affiliations

[1 ] School of IoT Engineering, Jiangnan University

[2 ] Department of Electronic Engineering, Tsinghua University

Article

Doaj ID: b102b65d36b74f8383868db9d509e4c3

DOI: 10.3724/SP.J.1300.2012.20028

License:

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/

Product

Self URI: http://radars.ie.ac.cn/EN/abstract/abstract45.shtml#

Self URI (journal page): http://radars.ie.ac.cn/EN/volumn/home.shtml

Categories

Subject: Technology (General)

Subject: T1-995