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조일준,이진,최영환,김성환,Cho, I. J.,Lee, J.,Choi, Y. H.,Kim, S. H. 대한의용생체공학회 1988 의공학회지 Vol.9 No.2
As a muscular contraction is sustained, the power spectrum of the myoelectric signal is compressed into lower frequencies. The median frequency appears to be the prefered parameters to monitor this compression. This paper describes a technique and a device which provide an estimate of the median frequency using a TMS32020 DSP chip and IBM PC for tracking of this parameter. Results obtained from myoelectric signal are presented and discussed.