Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26938
Title: Detecting weak sinusoidal signals embedded in a non-stationary random broadband noise - a simulation study
Authors: Lee, WL 
Tang, SK 
Chan, CM
Issue Date: 2007
Publisher: Academic Press
Source: Journal of sound and vibration, 2007, v. 304, no. 3-5, p. 831-844 How to cite?
Journal: Journal of sound and vibration 
Abstract: In the present study, a simple numerical function is proposed for use together with the time-frequency analysis in the detection of very weak sinusoidal signals embedded in a non-stationary random broadband background noise. Its performance is studied through the use of two numerical examples. It is found that the present method enables good recovery of the sinusoidal signals and the instants of their initiations even when the signal-to-noise ratio is down to -17 dB.
URI: http://hdl.handle.net/10397/26938
ISSN: 0022-460X
EISSN: 1095-8568
DOI: 10.1016/j.jsv.2007.03.024
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