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Communication Dans Un Congrès Année : 2019

Features Extraction of the Doppler frequency signature of a human walking at 1 GHz

Résumé

A preliminary Doppler analysis in the UHF-band on a man walking in free space is presented in this paper. Firstly, the back-scattered response of the moving target has been provided at 1 GHz by a simulation tool based on physical optics theory. Then, a short-time Fourier transform (STFT), a reassignment spectrogram (RE-Spect) and a Wigner-Ville distribution (WVD) have been employed to the data, in order to characterize the micro-Doppler signature of the human body walking. The results are based entirely on numerical tests. The investigation on the time variations of the Doppler spectrum of moving targets in UHF-band is of interest for the emerging radar applications devoted to the detection and tracking of people in highly cluttered environment.
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Dates et versions

hal-02364998 , version 1 (15-11-2019)

Identifiants

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Giovanni Manfredi, Jean-Philippe Ovarlez, Laetitia Thirion-Lefevre. Features Extraction of the Doppler frequency signature of a human walking at 1 GHz. IGARSS 2019, Jul 2019, YOKOHAMA, Japan. ⟨10.1109/IGARSS.2019.8897817⟩. ⟨hal-02364998⟩
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