Using time-varying autoregressive filter to improve EMG amplitude estimator
Resource
Engineering in Medicine and Biology Society, 1995. IEEE 17th Annual Conference
Journal
Engineering in Medicine and Biology Society, 1995. IEEE 17th Annual Conference
Pages
-
Date Issued
1995-09
Date
1995-09
Author(s)
DOI
N/A
Abstract
An electromyography (EMG) amplitude estimator can be the proportional control input of power prostheses or functional electrical stimulation system. In this paper, an improved temporal whitening process through a time-varying autoregressive (AR) filter is evaluated in experiment. The results of the authors' experiment demonstrated time-varying whitening filter can improve the SNR of the amplitude estimators. It implies the influence of nonstationary characteristics of tissue filtering.
Type
journal article
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