ON THE SENSITIVITY OF THE ESPRIT ALGORITHM TO NONIDENTICAL SUBARRAYS

被引：8

作者：

SWINDLEHURST, A

KAILATH, T

机构：

[1] Department of Electrical and Computer Engineering, Brigham Young University, Provo, 84602, UT

[2] Information Systems Laboratory, Stanford University, Stanford, 94305, CA

来源：

SADHANA-ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES | 1990年 / 15卷

关键词：

SENSOR ARRAY PROCESSING; DIRECTION-OF-ARRIVAL ESTIMATION; PERTURBATION ANALYSES; ANTENNA ERRORS;

D O I：

10.1007/BF02812037

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

ESPRIT (estimation of signal parameters via rotational invariance techniques) is a recently introduced algorithm for narrowband direction-of-arrival (DOA) estimation. Its principal advantage is that the DOA parameter estimates are obtained directly, without knowledge (and hence storage) of the array manifold and without computation or search of some spectral measure. This advantage is achieved by constraining the sensor array to be composed of two identical, translationally invariant subarrays. In this paper, we analyse the sensitivity of ESPRIT to the assumption that the subarrays are identical. The analysis is applicable to a wide variety of array errors, including non-identical angle-dependent and angle-independent gain and phase perturbations, errors in the locations of the subarray elements, and mutual coupling effects. A representative simulation example will be presented to validate the analysis and compare the performance degradation of ESPRIT with that of the MUSIC algorithm.

引用

页码：197 / 212

页数：16

共 7 条

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