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Title: Suboptimal filtering and nonlinear time scale transformation for the analysis of multiexponential decays
Author: Palacín Roca, Jordi
Marco Colás, Santiago
Samitier i Martí, Josep
Keywords: Mostreig
Data reduction
Filtering theory
Interference suppression
Least mean squares methods
Moving average processes
Signal sampling
Time-varying filters
Transient analysis
Issue Date: 2001
Publisher: IEEE
Abstract: Multiexponential decays may contain time-constants differing in several orders of magnitudes. In such cases, uniform sampling results in very long records featuring a high degree of oversampling at the final part of the transient. Here, we analyze a nonlinear time scale transformation to reduce the total number of samples with minimum signal distortion, achieving an important reduction of the computational cost of subsequent analyses. We propose a time-varying filter whose length is optimized for minimum mean square error
Note: Reproducció del document publicat a
It is part of: IEEE Transactions on Instrumentation and Measurement, 2001, vol. 50, núm. 1, p. 135-140.
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ISSN: 0018-9456
Appears in Collections:Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)

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