基于正交投影的宽带相干信源空间谱测向算法

doi:10.3969/j.issn.1001-2400.2010.03.034

Abstract

Abstract:

A novel algorithm using the orthogonal projection is proposed, which avoids initially estimating the DOA and the number of sources through angle scanning and covariance matrix orthogonal projection, thereby improving the performance of direction finding by the spatial spectrum. This paper discusses the principle and realization of this method, and we compare other algorithms with the one developed here whose performance is shown to be better under the condition of a low SNR. Computer simulation illustrates that the proposed method has a better angle resolution ability and a lower RMSE.

Key words: wideband sources, spatial spectrum estimation, focusing, DOA, orthogonal projection

XIE Nuo;ZHANG Run-sheng;GE Jian-hua;ZHANG Jian-li. Orthogonal projection-based spatial spectrum algorithm for finding the direction of the wideband coherent source[J].J4, 2010, 37(3): 576-580.

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Orthogonal projection-based spatial spectrum algorithm for finding the direction of the wideband coherent source

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