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Micro-Doppler has played an important role in describing the micro-motion of a radar target. After analysing the characteristics of micro-Doppler induced by typical micro-motions, a technique based on time–frequency transform and Hough transform is introduced, to extract the modes and estimate the parameters of multiple frequency modulation components in micro-Doppler simultaneously, which can describe the properties of radial micro-motion. Experiments show the performance of estimation algorithm with simulating radar data.
Inspec keywords: parameter estimation; Doppler radar; Hough transforms; radar tracking; motion estimation; time-frequency analysis
Other keywords:
Subjects: Optical, image and video signal processing; Radar equipment, systems and applications