Micro-Doppler processing for ultra-wideband radar data

Graeme E. Smith; Fauzia Ahmad; Moeness G. Amin

doi:10.1117/12.919932

3 May 2012 Micro-Doppler processing for ultra-wideband radar data

Graeme E. Smith, Fauzia Ahmad, Moeness G. Amin

Proceedings Volume 8361, Radar Sensor Technology XVI; 83610L (2012) https://doi.org/10.1117/12.919932
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

In this paper, we describe an operational pulse Doppler radar imaging system for indoor target localization and classification, and show how a target's micro-Doppler signature (μDS) can be processed when ultra-wideband (UWB) waveforms are employed. Unlike narrowband radars where time-frequency signal representations can be applied to reveal the target time-Doppler frequency signatures, the UWB system permits joint range-time-frequency representation (JRTFR). JRTFR outputs the data in a 3D domain representing range, frequency, and time, allowing both the μDS and high range resolution (HRR) signatures to be observed. We delineate the relationship between the μDS and the HRR signature, showing how they would form a complimentary joint feature for classification. We use real-data to demonstrate the effectiveness of the UWB pulse-Doppler radar, combined with nonstationary signal analyses, in gaining valuable insights into human positioning and motions.

Citation Download Citation

Graeme E. Smith, Fauzia Ahmad, and Moeness G. Amin "Micro-Doppler processing for ultra-wideband radar data", Proc. SPIE 8361, Radar Sensor Technology XVI, 83610L (3 May 2012); https://doi.org/10.1117/12.919932

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