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Developments in target micro-Doppler signatures analysis : radar imaging, ultrasound and through-the-wall radar

Clemente, C. and Balleri, A. and Woodbridge, K. and Soraghan, J.J. (2013) Developments in target micro-Doppler signatures analysis : radar imaging, ultrasound and through-the-wall radar. EURASIP Journal on Advances in Signal Processing, 2013 (1). ISSN 1687-6172

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Abstract

Target motions, other than the main bulk translation of the target, induce Doppler modulations around the main Doppler shift that form what is commonly called a target micro-Doppler signature. Radar micro-Doppler signatures are generally both target and action specific and hence can be used to classify and recognise targets as well as to identify possible threats. In recent years, research into the use of micro-Doppler signatures for target classification to address many defence and security challenges has been of increasing interest. In this article, we present a review of the work published in the last 10 years on emerging applications of radar target analysis using micro-Doppler signatures. Specifically we review micro-Doppler target signatures in bistatic SAR and ISAR, through-the-wall radar and ultrasound radar. This article has been compiled to provide radar practitioners with a unique reference source covering the latest developments in micro-Doppler analysis, extraction and mitigation techniques. The article shows that this research area is highly active and fast moving and demonstrates that micro-Doppler techniques can provide important solutions to many radar target classification challenges.