DocumentCode
1761908
Title
On-chip wavelet denoising system implemented with analogue circuits
Author
Gurrola-Navarro, M.A. ; Carrasco-Alvarez, R. ; Medina-Vazquez, A.S. ; Espinosa-Flores-Verdad, G.
Author_Institution
Dipt. de Electron., Univ. de Guadalajara, Guadalajara, Mexico
Volume
49
Issue
9
fYear
2013
fDate
April 25 2013
Firstpage
592
Lastpage
594
Abstract
An adaptation of the hard-thresholding denoising method for analogue circuits is presented. The proposed approach has been proved with a chip fabricated in 0.5 μm CMOS technology. The system works for signals contaminated with white Gaussian noise in the range 100 kHz to 1.6 MHz. On-chip measurements demonstrate a noise reduction up to 7 dB.
Keywords
CMOS analogue integrated circuits; signal denoising; wavelet transforms; CMOS technology; analogue circuits; hard-thresholding denoising method; on-chip wavelet denoising system;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el.2013.0472
Filename
6528111
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