Nonstationary signal extraction based on BatOMP sparse decomposition technique
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-97431-z
Abstract: Sparse decomposition technique is a new method for nonstationary signal extraction in a noise background. To solve the problem of accuracy and efficiency exclusive in sparse decomposition, the bat algorithm combined with Orthogonal Matching Pursuits… read more here.
Keywords: decomposition technique; decomposition; nonstationary signal; sparse decomposition ... See more keywords
Nonstationary Signal Denoising Using an Envelope-Tracking Filter
Sign Up to like & getrecommendations! Published in 2018 at "IEEE/ASME Transactions on Mechatronics"
DOI: 10.1109/tmech.2017.2786265
Abstract: Signal denoising is crucial to condition monitoring of mechanical systems as fault characteristics may be hidden by strong noise in some cases. In this paper, we focus on the denoising of nonstationary vibration signals which… read more here.
Keywords: envelope; envelope tracking; filter; tracking filter ... See more keywords