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Micro-Doppler feature extraction for interferometric radar based on Viterbi algorithm and intrinsic chirp component decomposition
Kang, Wenwu; Zhang, Yunhua; Dong, Xiao
Department微波遥感部
Source PublicationMIKON 2018 - 22nd International Microwave and Radar Conference
2018
Pages508-511
Language英语
ISBN9788394942113
AbstractBased on the interferometric radar, micro-Doppler features for vibration targets are extracted in this paper. First, the theory of vibration targets echo signal interferometric processing in interferometric radar is explained. Second, the time-frequency diagram is obtained through short-Time Fourier transform, and the instantaneous frequencies are obtained via Viterbi algorithm. Thus the echo signals received by three antennas are decomposed based on intrinsic chirp component decomposition. Finally, the interferometric phase of different scatterers is obtained, and micro-Doppler features are effectively extracted. Compared with traditional radar, interferometric radar in this paper can reconstruct the 2-D trajectory of vibration targets. The corresponding parameters can be estimated based on the method in this paper. Two simulation results have showed the effectiveness of the proposed method. © 2018 Warsaw University of Technology.
KeywordMicro-doppler Micro-motion Viterbi Algorithm Interferometric Phase Intrinsic Chirp Component Decomposition
Conference Name22nd International Microwave and Radar Conference, MIKON 2018
Conference DateMay 14, 2018 - May 17, 2018
Conference PlacePoznan, Poland
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6370
Collection微波遥感部
Recommended Citation
GB/T 7714
Kang, Wenwu,Zhang, Yunhua,Dong, Xiao. Micro-Doppler feature extraction for interferometric radar based on Viterbi algorithm and intrinsic chirp component decomposition[C],2018:508-511.
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