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Paper Abstract and Keywords
Presentation 2022-05-20 13:20
Unity-Bounded Functions for Guaranteeing Variable-Filter Stability
Tian-Bo Deng (Toho Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) A variable digital filter (variable-filter) has tunable frequency response, and when a new frequency response is required, one just needs to change its coefficients. However, a recursive variable-filter may become unstable when its coefficients are changed. So far, the author has proposed an effective method for ensuring the stability of a recursive variable-filter. The method transforms the denominator coefficients of the transfer function into a set of new parameters, and then the optimal values of those new parameters are sought without imposing any design constraints. This parameter-transformation-based method is able to guarantee the stability of a recursive variable-filter, but needs a special function for the parameter transformations. In this paper, a lot of such functions are developed and presented.
Keyword (in Japanese) (See Japanese page) 
(in English) variable filter / variable frequency-domain response / recursive structure / stability / unity-bounded function / / /  
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Conference Information
Committee IEICE-SIP IEICE-BioX IEICE-IE IEICE-MI IST ME  
Conference Date 2022-05-19 - 2022-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto University 
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To IEICE-SIP 
Conference Code 2022-05-SIP-BioX-IE-MI-IST-ME 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Unity-Bounded Functions for Guaranteeing Variable-Filter Stability 
Sub Title (in English)  
Keyword(1) variable filter  
Keyword(2) variable frequency-domain response  
Keyword(3) recursive structure  
Keyword(4) stability  
Keyword(5) unity-bounded function  
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1st Author's Name Tian-Bo Deng  
1st Author's Affiliation Toho University (Toho Univ.)
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Speaker Author-1 
Date Time 2022-05-20 13:20:00 
Presentation Time 20 minutes 
Registration for IEICE-SIP 
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Volume (vol) vol.46 
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