Abstract
Micro-Doppler frequency estimation is an important issue for radar target recognition. In this paper, a novel approach is proposed to accurately estimate the micro-Doppler frequencies of specific target scattering parts, which can be very promising in real-time human sensing applications. For this approach, the adapted linear predictive coding algorithm is first applied to extend the known data in each time window. Then, the Hough transform with a set of new fitting models is used to extract the interested echo components and accurately estimate their micro-Doppler frequencies. Finally, a series of experiments are conducted to illustrate the performance of the proposed approach.
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