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刘志文

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期刊论文

DOA Estimation Based on Least Squares Fitting under sensor gain and phase uncertainties for Doppler Signals

刘志文XU Yougen LIU Zhiwen

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摘要/描述

In this paper, we propose some preprocessing techniques that improve the performance of the LSF based method for DOA estimation in the presence of rank deficiency in time correlation matrix frequently occurred in practical application. In these methods, the degrees of freedom are reduced so as to fulfill the ill-conditioned optimization problem with several schemes such as temporal smoothing, subspace constraint, DFT beamspace transformation and diagonal loading being taken. Simulation results verify the efficacy of the proposed modifications.

版权说明:以下全部内容由刘志文上传于   2005年01月26日 00时48分23秒,版权归本人所有。

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