A subspace rotation approach to signal parameter estimation
Paulraj, A.
Roy, R.
Kailath, T.
This paper appears in: Proceedings of the IEEE
Publication Date: July 1986
Volume: 74,
Issue: 7
On page(s): 1044- 1046
ISSN: 0018-9219
Current Version Published: 2005-06-28
Abstract
A new approach to Estimation of Signal Parameters by Rotational Invariance Techniques (ESPRIT) is described in the context of direction-of-arrival estimation, but is also applicable to other problems. The method relies on finding the underlying rotation between the common subspaces associated with an array of pairwise-matched and codirectional sensor doublets. ESPRIT has several remarkable advantages over earlier techniques such as MUSIC, and also provides asymptotically unbiased and efficient estimates.
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