Micro-Doppler Effect and Sparse Representation Analysis of Underwater Targets
Yan Lu,
Siwei Kou,
Xiaopeng Wang
Abstract:At present, the micro-Doppler effects of underwater targets is a challenging new research problem. This paper studies the micro-Doppler effect of underwater targets, analyzes the moving characteristics of underwater micro-motion components, establishes echo models of harmonic vibration points and plane and rotating propellers, and reveals the complex modulation laws of the micro-Doppler effect. In addition, since an echo is a multi-component signal superposed by multiple modulated signals, this paper provides … Show more
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