Presentation 2004/1/15
Adaptive Notch Filters for Automatically Tracking Harmonic Signals : In the Case of the Absence of Fundamental Components
Eiji WATANABE, Seiichi AMANO, Akinori NISHIHARA,
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Abstract(in English) If conventional adaptive notch filters are used to eliminate periodical interferences signals with harmonics, multiple adaptive notch filters are needed. The authors have proposed a new structure which consists of one second-order IIR adaptive notch filter for eliminating a fundamental component and multiple second-order variable IIR notch filters for eliminating harmonics. This paper considers another situation that a fundamental component is absent and second and higher harmonics are present for some reason, and proposes a structure for this situation. The proposed structure consists of one second-order IIR adaptive notch filter for eliminating a second harmonics and multiple second-order variable IIR notch filters for eliminating third and higher harmonics.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Adaptive signal prossecing / Adaptive notch Filter / Digital filter
Paper # CAS2003-93
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Committee CAS
Conference Date 2004/1/15(1days)
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Registration To Circuits and Systems (CAS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Adaptive Notch Filters for Automatically Tracking Harmonic Signals : In the Case of the Absence of Fundamental Components
Sub Title (in English)
Keyword(1) Adaptive signal prossecing
Keyword(2) Adaptive notch Filter
Keyword(3) Digital filter
1st Author's Name Eiji WATANABE
1st Author's Affiliation Faculty of Systems Engineering, Shibaura Institute of Technology()
2nd Author's Name Seiichi AMANO
2nd Author's Affiliation Faculty of Systems Engineering, Shibaura Institute of Technology
3rd Author's Name Akinori NISHIHARA
3rd Author's Affiliation The Center for Research and Development of Educational Technology
Date 2004/1/15
Paper # CAS2003-93
Volume (vol) vol.103
Number (no) 568
Page pp.pp.-
#Pages 6
Date of Issue