A modified path-following algorithm using a known algebraic path

Authors:
Jong-Hwan Lee;Chul-Mok Lee;Kyun-Kyung Lee
Affiliations:
Sch. of Electron. & Electr. Eng., Kyungpook Nat. Univ., Taegu;-;-
Venue:
IEEE Transactions on Signal Processing
Year:
1999

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Abstract

A new computationally efficient path-following algorithm is presented for source localization that uses a uniform linear sensor array. An algebraic relation is demonstrated between the bearing of a source under a plane wave assumption and the actual source bearing and range. This relation can be used as a path to follow to the peak of the 2-D MUSIC spectrum. As a result, in the case of an array that has m sensors with n sources, this new algorithm can reduce the number of searches to n independent 1-D searches following the known algebraic path