2010•Modern Defence TechnologyRequires access

Method of Countering Frequency-Shifting Jamming for V-FM Signal

Wang Wei

Abstract

The features of V-FM signal in time domain and frequency domain are introduced.The measure of distance and velocity with V-FM signal is also analyzed.The effect of frequency-shifting jamming on V-FM signal is studied.With the characteristics of pulse compression,a method of countering frequency-shifting jamming is proposed.The distance and velocity information of the single moving target can be obtained from the echo of V-FM signal affected by frequency-shifting jamming with this method. Finally,numerical simulations have verified the correctness of this method.

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Key concepts: Jamming, SIGNAL (programming language), Frequency domain, Frequency modulation, Acoustics, Physics, Measure (data warehouse), Computer science