Closed-form 2D angle estimation with a spherical array via spherical phase mode excitation and ESPRIT

被引：14

作者：

Goossens, Roald ^{[1
]}

Rogier, Hendrik ^{[1
]}

机构：

[1] Univ Ghent, Dept Informat Technol, B-9000 Ghent, Belgium

来源：

2008 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, VOLS 1-12 | 2008年

关键词：

spherical antennas; direction of arrival estimation; Fourier transforms;

D O I：

10.1109/ICASSP.2008.4518111

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We present a new spherical ESPRIT algorithm, being a closed-form algorithm for use in conjunction with spherical arrays that provides automatically paired source azimuth and elevation estimates. It is a numerically efficient 2D angle-of-arrival estimation algorithm which does not rely on extensive spectral searches or iterative solutions to multi-dimensional optimization problems. The spherical ESPRIT is based on the spherical phase mode excitation principle, enabling us to exploit the spherical symmetry of the antenna array by relying on a recursive relationship between spherical harmonics.

引用

页码：2321 / 2324

页数：4

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