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Estimation of DOA and Doppler Frequency on Nonideal UCA 被引量:1
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作者 陶建武 石要武 常文秀 《Chinese Journal of Aeronautics》 SCIE EI CAS CSCD 2004年第2期106-111,共6页
The problem of estimating direction of arrivals (DOA) and Doppler frequency for many sources is considered in the presence of general array errors (such as amplitude and phase error of sensors, setting position error ... The problem of estimating direction of arrivals (DOA) and Doppler frequency for many sources is considered in the presence of general array errors (such as amplitude and phase error of sensors, setting position error of sensors). Adopting direct array manifold in a uniform circular array (UCA), the estimation of Doppler frequency can be obtained by DOA matrix. Based on analyzing the statistic characters of general array errors, the estimation of DOA can be obtained by Weight Total Least Squares. Numerical results illustrate that the estimator is robust to general array errors and show the capabilities of the estimator. 展开更多
关键词 estimation of doa estimation of Doppler frequency UCA general array error
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