Abstract #301778

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JSM 2002 Abstract #301778
Activity Number: 358
Type: Contributed
Date/Time: Wednesday, August 14, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Physical & Engineering Sciences*
Abstract - #301778
Title: Estimating Signal Parameters
Author(s): Nandini Kannan*+
Affiliation(s): University of Texas, San Antonio
Address: 6900 N Loop 1604 West, San Antonio, Texas, 78249-0632, USA
Keywords: sensor array ; number of signals ; correlation
Abstract:

Estimation of signal parameters from sensor array outputs is a problem that has received considerable attention in the past years. Array models occur in radar/sonar, communications theory, and geophysics. Several algorithms are available to estimate the number of signals impinging on the array, and the directions of arrival of these signals. In this talk, we present some subspace fitting methods that are computationally tractable and provide efficient estimates even in the presence of strong correlations among the sources. Results of a simulation study will be presented comparing these methods with existing algorithms in the literature. Methods for wide-band signals will also be suggested.

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Revised March 2002