A Sequential Estimation Approach for Performance Improvement of Eigenstructure-Based Methods in Array Processing

• Published in: IEEE transactions on signal processing Vol. 41; no. 1; pp. 457 - 463
• Main Authors: Oh, Seong Keun, Un, Chong Kwan
• Format: Journal Article
• Language: English
• Published: IEEE 01.01.1993
• Subjects: Direction of arrival estimation; Interpolation; Iterative algorithms; Maximum likelihood estimation; Multiple signal classification; Narrowband; Sensor arrays; Signal processing; Signal processing algorithms; Speech processing

In this correspondence, we present a simple and noniterative approach that lowers noticeably the threshold signal-to-noise ratio (SNR) of the eigenstructure-based techniques for estimating the directions of arrival (DOA's) of multiple narrow-band sources in passive sensor arrays. This approach...