DocumentCode
701173
Title
Performance analysis of a wavelet based WBCAF method for time delay and Doppler stretch estimation
Author
Niu, X.X. ; Ching, P.C. ; Chan, Y.T.
Author_Institution
Dept. of Electronic Engineering, Chinese University of Hong Kong, Hong Kong
fYear
1996
fDate
10-13 Sept. 1996
Firstpage
1
Lastpage
4
Abstract
A wavelet based method for time delay and Doppler stretch estimation has been proposed. It makes use of the relationship between the wideband cross ambiguity function (WBCAF) and the cross wavelet transform of the received signals. This paper derives the Cramer-Rao lower bound (CRLB) and analyses the performance of the algorithm. It is found that under high SNR, the method is asymptotically unbiased, and the variances of the estimation parameters are fairly close to the CRLB. Simulation results are given to corroborate the theoretical derivation.
Keywords
Delay effects; Doppler effect; Estimation; Reactive power; Signal to noise ratio; Wavelet transforms;
fLanguage
English
Publisher
ieee
Conference_Titel
European Signal Processing Conference, 1996. EUSIPCO 1996. 8th
Conference_Location
Trieste, Italy
Print_ISBN
978-888-6179-83-6
Type
conf
Filename
7082898
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