Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4821
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Title: Optimal phase-space projection for noise reduction
Authors: Luo, X
Zhang, J
Small, M
Issue Date: 20-Oct-2005
Source: Physical review. E, Statistical, nonlinear, and soft matter physics, Oct. 2005, v. 72, no. 4, 046710, p. 1-5
Abstract: In this communication we will reexamine the widely studied technique of phase-space projection. By imposing a time-domain constraint on the residual noise, we deduce a more general version of the optimal projector, which includes those appearing in previous literature as subcases but does not assume the independence between the clean signal and the noise. As an application, we will apply this technique for noise reduction. Numerical results show that our algorithm has succeeded in augmenting the signal-to-noise ratio for simulated data from the Rössler system and experimental speech record.
Keywords: Algorithms
Constraint theory
Noise abatement
Numerical methods
Signal to noise ratio
Time domain analysis
Publisher: American Physical Society
Journal: Physical review. E, Statistical, nonlinear, and soft matter physics 
ISSN: 1539-3755
EISSN: 1550-2376
DOI: 10.1103/PhysRevE.72.046710
Rights: Physical Review E © 2005 The American Physical Society. The Journal's web site is located at http://pre.aps.org/
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