Presentation 2004/3/10
A Method for Elimination of Alternative Noise by Digital Control of Preamplifier in Biopotential Measurements
Hiroyuki KATO, Naohiro TODA,
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Abstract(in English) A method of elimination of alternating noise in electro-biological signals such as electroencephalogram(EEG), electroretinogram(ERG), electrocardiogram(ECG) is presented. The proposed method eliminates alternative noise, mostly originates in the power line, based on matching the amplitudes and phases at the given frequency and its harmonics. We employed a logic controllable analog Laguerre (transversal) filter in negative input line in front of the differential amplifier to construct transfer functions in which amplitudes and phases are matched with these of the positive input line. Some actual examples that show the performance of proposed method are included.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) biopotential measurements / alternative noise elimination / analog Laguerre filter
Paper # MBE2003-140
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Committee MBE
Conference Date 2004/3/10(1days)
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Paper Information
Registration To ME and Bio Cybernetics (MBE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Method for Elimination of Alternative Noise by Digital Control of Preamplifier in Biopotential Measurements
Sub Title (in English)
Keyword(1) biopotential measurements
Keyword(2) alternative noise elimination
Keyword(3) analog Laguerre filter
1st Author's Name Hiroyuki KATO
1st Author's Affiliation Graduate School of Information Science and Technology, Aichi Prefectural University()
2nd Author's Name Naohiro TODA
2nd Author's Affiliation Graduate School of Information Science and Technology, Aichi Prefectural University
Date 2004/3/10
Paper # MBE2003-140
Volume (vol) vol.103
Number (no) 730
Page pp.pp.-
#Pages 6
Date of Issue