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2013-02-04
Coherent Phase Compensation Method Based on Direct IF Sampling in Wideband Radar
By
Progress In Electromagnetics Research, Vol. 136, 753-764, 2013
Abstract
In order to eliminate the negative influence of the rotational phase component (RPC) of target prominent scattering centres on the performance of Doppler centroid tracking (DCT) method, a coherent phase compensation method is proposed. The coherence of echo pulses sampled directly in intermediate frequency (IF) is firstly analyzed and proved. Based on the coherence property, the proposed approach improves the translational phase component (TPC) estimation accuracy of DCT. Compared to the modified Doppler centroid tracking (MDCT) algorithm, the proposed method achieves better phase compensation performance with simpler operations. Both the theoretical analysis and experimental results based on the real ISAR data prove the effectiveness and efficiency of the presented strategy.
Citation
Qianqiang Lin, Zeng Ping Chen, Yue Zhang, and Jianzhi Lin, "Coherent Phase Compensation Method Based on Direct IF Sampling in Wideband Radar," Progress In Electromagnetics Research, Vol. 136, 753-764, 2013.
doi:10.2528/PIER12122203
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