DocumentCode
2881400
Title
A cross-spectral SVD method for chirp time delay estimation
Author
Yu, Xiaohui ; Shi, Yaowu ; Zhang, Ying
Author_Institution
Coll. of Commun. Eng., Jilin Univ., Changchun, China
Volume
2
fYear
2005
fDate
12-14 Oct. 2005
Firstpage
1235
Lastpage
1238
Abstract
In this paper a new approach for time delay estimation of chirp signals is presented. It is based on an especial pre-transform and a cross-spectral SVD method. Even working in signal-to-noise ratio (SNR) environment as low as -5dB, the technique here can obtain chirp time delay estimation outcomes with high accuracy, high reliability and high resolution. Computer emulations have verified that it is superior to the cross correlation method apparently.
Keywords
delay estimation; signal processing; singular value decomposition; SNR; chirp signals; chirp time delay estimation; cross correlation method; cross-spectral SVD method; pretransform method; signal-to-noise ratio; Chirp modulation; Correlation; Delay effects; Delay estimation; Emulation; Frequency estimation; Parameter estimation; Signal processing; Signal resolution; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Communications and Information Technology, 2005. ISCIT 2005. IEEE International Symposium on
Print_ISBN
0-7803-9538-7
Type
conf
DOI
10.1109/ISCIT.2005.1567092
Filename
1567092
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