DocumentCode
1231571
Title
On local maxima of the likelihood function for Toeplitz matrix estimation
Author
Degerine, Serge
Author_Institution
LMC, Univ. Joseph Fourier, Grenoble, France
Volume
40
Issue
6
fYear
1992
fDate
6/1/1992 12:00:00 AM
Firstpage
1563
Lastpage
1565
Abstract
It is shown that in estimating a Toeplitz covariance matrix, the likelihood function can present a local maximum close to the global maximum. An analytical proof is given for the matrices of order 3, and numerical examples are shown for orders 3, 4, and 5
Keywords
matrix algebra; Toeplitz covariance matrix; Toeplitz matrix estimation; global maximum; likelihood function; local maxima; Array signal processing; Correlation; Covariance matrix; Frequency; Matrix decomposition; Maximum likelihood estimation; Parameter estimation; Relaxation methods; Signal processing; Symmetric matrices;
fLanguage
English
Journal_Title
Signal Processing, IEEE Transactions on
Publisher
ieee
ISSN
1053-587X
Type
jour
DOI
10.1109/78.139260
Filename
139260
Link To Document