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An Improved MUSIC Algorithm for Estimating DOA of Coherent Signals Sources

He Weigang

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Abstract

A new improved MUSIC algorithm for the estimation of the Direction-of Arrival of coherent signals sources is presented.After Eigen-value decomposing the receive data signal of coherence signals,the relationships between the signal subspace and the signal steering vector is used to achieve DOA effective estimation through searching the multidimensional wave peak.Compared with the traditional spatial smoothing algorithm,the IMUSIC has the following advantagesThe simulation results show the proposed IMUSIC algorithm is effective.

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What this paper is about

A new improved MUSIC algorithm for the estimation of the Direction-of Arrival of coherent signals sources is presented.After Eigen-value decomposing the receive data signal of coherence signals,the relationships between the signal subspace and the signal steering vector is used to achieve DOA effective estimation through searching the multidimensional wave peak.Compared with the traditional spatial smoothing algorithm,the IMUSIC has the following advantagesThe simulation results show the proposed IMUSIC algorithm is effective.

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Available abstract

A new improved MUSIC algorithm for the estimation of the Direction-of Arrival of coherent signals sources is presented.After Eigen-value decomposing the receive data signal of coherence signals,the relationships between the signal subspace and the signal steering vector is used to achieve DOA effective estimation through searching the multidimensional wave peak.Compared with the traditional spatial smoothing algorithm,the IMUSIC has the following advantagesThe simulation results show the proposed IMUSIC algorithm is effective.

Key concepts: Multiple signal classification, Smoothing, Signal subspace, Algorithm, Direction of arrival, SIGNAL (programming language), Computer science, Subspace topology

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