Micro-Doppler phenomenology of humans at UHF and Ku-band for biometric characterization

Extracting biometric characteristics using radar requires a detailed understanding of the RF scattering phenomenology associated with humans. The gross translational Doppler signals associated with walking are well documented in the literature. The work reported in this paper seeks to understand the micro-Doppler signals generated by human motion associated with ancillary activities such as breathing, heartbeat, and speech. We will describe procedures for anechoic chamber and outdoor measurements at UHF and Ku-band of humans engaged in a range of activities, such as lying, sitting, standing, speaking, and walking. In addition, we will analyze and discuss the various biometric signatures that we collected.

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