双L型阵列DOA估计的PM算法的性能分析与改进

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (5): 1122-1129.

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Performance Analysis and Improvement of PM for 2D-DOA Estimation of Two LShape Arrays

Lian Xiaohua, Zhou Jianjiang

College of Information Science and Technology, Nanjing University of Aeronautics and Astronautics

Received:2006-07-24 Revised:2007-07-02 Online:2007-10-15 Published:2007-10-15
Contact: Lian Xiaohua

Abstract

Abstract:

The propagator method (PM) algorithm is well known for its smaller computational loads and can satisfy the estimation resolution when applied to 2D direction of arrival (DOA) estimation for two L-shape arrays. As for the unsymmetrical two Lshape arrays, since one of the three linear arrays has fewer elements than the other two, it will lead to more serious estimation error. This paper analyses the performance, discusses the statistical error of PM, and then introduces an improved PM in the case of one signal source.

Key words: antenna , arrays, , DOA , estimation, , PM , algorithm, , performance , analysis, , narrowband , signals

CLC Number:

TN820

Lian Xiaohua;Zhou Jianjiang. Performance Analysis and Improvement of PM for 2D-DOA Estimation of Two LShape Arrays[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(5): 1122-1129.

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Performance Analysis and Improvement of PM for 2D-DOA Estimation of Two LShape Arrays

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