An Improved Direction-of-Arrival Estimation Method Based on Sparse Reconstruction

Xue Bing Han; Zhao Jun Jiang

doi:10.4028/www.scientific.net/AMM.263-266.135

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 263-266An Improved Direction-of-Arrival Estimation Method...

An Improved Direction-of-Arrival Estimation Method Based on Sparse Reconstruction

Abstract:

In this paper, we account for efficient approach of direction-of-arrival estimation based on sparse reconstruction of sensor measurements with an overcomplete basis. MSD-FOCUSS ( MMV Synchronous Descending FOCal Underdetermined System Solver) algorithm is developed against to sparse reconstruction in multiple-measurement-vectors (MMV) system where noise perturbations exist in both the measurements and sensing matrix. The paper shows how sparse-signal model of DOA estimation is established and MSD-FOCUSS is derived, then the simulation results illustrate the advantage of MSD-FOCUSS when it is used to solve the problem of DOA estimation.

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Periodical:

Applied Mechanics and Materials (Volumes 263-266)

Pages:

135-138

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.263-266.135

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Online since:

December 2012

Authors:

Xue Bing Han, Zhao Jun Jiang

Keywords:

Coherent Sources, Direction of Arrival (DOA) Estimation, Model Noise, MSD-FOCUSS, Sparse Reconstruction

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