SENSITIVITY ANALYSIS OF DOA ESTIMATION ALGORITHMS TO SENSOR ERRORS

被引:47
作者
LI, F [1 ]
VACCARO, RJ [1 ]
机构
[1] UNIV RHODE ISL, DEPT ELECT ENGN, KINGSTON, RI 02881 USA
关键词
D O I
10.1109/7.256292
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A unified statistical performance analysis using subspace perturbation expansions is applied to subspace-based algorithms for direction-of-arrival (DOA) estimation in the presence of sensor errors. In particular, the multiple signal classification (MUSIC), min-norm, state-space realization (TAM and DDA) and estimation of signal parameters via rotational invariance techniques (ESPRIT) algorithms are analyzed. This analysis assumes that only a finite amount of data is available. An analytical expression for the mean-squared error of the DOA estimates is developed for theoretical comparison in a simple and self-contained fashion. The tractable formulas provide insight into the algorithms. Simulation results verify the analysis.
引用
收藏
页码:708 / 717
页数:10
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