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Time Domain Complex Radar Cross Section of Human Body for Breath-Activity Monitoring

Abstract : The knowledge of the complex Radar Cross Section (RCS) of the human body in ultra-wide band can fully describe the breathing activity. In this paper, we investigate the time domain RCS so as to analyze the backscattered signal from the human body, for further respiratory monitoring in any aspect angle. The time domain RCS measurements are first calibrated with the monostatic radar measurement of a metallic sphere. Subsequently, the RCS of a human body phantom is measured over the full 0-360o angle, azimuth range, allowing to put forward the creeping wave around the body. Finally, we measure the RCS of a human person and its temporal variation, also in various aspect angles. The results, which show a mixture between breathing and other body movements, are valuable inputs for respiratory monitoring in various body postures.
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https://hal.telecom-paris.fr/hal-02412485
Contributor : Telecomparis Hal <>
Submitted on : Sunday, December 15, 2019 - 3:05:22 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:55 PM

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  • HAL Id : hal-02412485, version 1

Citation

Tien Tu Vo, Laurent Ouvry, Alain Sibille. Time Domain Complex Radar Cross Section of Human Body for Breath-Activity Monitoring. EuCAP, Mar 2017, Paris, France. ⟨hal-02412485⟩

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