Active cancellation analysis based on the radar detection probability

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• 作者：Mingxu Yi ; Lifeng Wang ; ^{wanglf1972@163.com" class="auth_mail" title="E-mail the corresponding author} ; Jun Huang
• 关键词：Active stealth ; Active cancellation ; Linear frequency modulation (LFM) ; Nonlinear frequency modulation (NLFM) ; Detection probability ; Signal-to-noise ratio (SNR)
• 刊名：Aerospace Science and Technology
• 出版年：2015
• 出版时间：October-November 2015
• 年：2015
• 卷：46
• 期：Complete
• 页码：273-281
• 全文大小：753 K

文摘

In this paper, a cancelling system for linear and three nonlinear frequency modulated signals is proposed. According to the RCS (Radar Cross Section) characteristic of target, amplitude and phase modulation are made to acquire the signal having the same frequency as the echo pulse but with the opposite phase. This signal cancels the radar echo signal. The basic theory of active cancellation stealth is introduced. Based on two kinds of radar target fluctuation models (Swerling I and Swerling III), the formulas of radar detection probability are given. The influence of amplitude, phase and frequency error on the radar detection probability have been discussed. Simulation results show that the technology of active cancellation stealth is feasible in theory, it could reduce the radar detection probability.