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Characterization of the walking activity within the forest by using a Doppler analysis in the UHF-BAND

Abstract : The Doppler frequency signature of a man walking into the forest is presented in this paper. The results are based on measured data that have been collected by a bistatic radar working in continuous wave (CW) in the UHF-band. VV and HH polarizations have been employed for our study. The spectrograms have been generated at 1 GHz and 435 MHz by using a Short-Time Fourier Transform (STFT). The purpose of the analysis is to highlight the impact of both the chosen frequencies and the VV and HH polarizations on the Doppler spectrum of a target moving in a cluttered environment. The Doppler signal has been detected at both used frequencies, but it has appeared strongly fragmented by using the VV polarization nevertheless. The HH polarization instead has proved to be more efficient in detecting the Doppler return of the subject moving around the obstructing trees.
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Contributor : Giovanni Manfredi Connect in order to contact the contributor
Submitted on : Wednesday, February 3, 2021 - 4:12:12 PM
Last modification on : Tuesday, December 14, 2021 - 3:01:58 AM


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  • HAL Id : hal-03130196, version 1


Giovanni Manfredi, Israël Hinostroza, Michel Menelle, Stephane Saillant, Jean-Philippe Ovarlez, et al.. Characterization of the walking activity within the forest by using a Doppler analysis in the UHF-BAND. 2020 IEEE International Geoscience and Remote Sensing Symposium (IGARSS2020), Sep 2020, Waikoloa, United States. ⟨hal-03130196⟩



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