Presentation 2006-11-20
A Study on Scaling Effects in the Design of FIR Filter with CSD Coefficients
Yuichi OZAKI, Kenji SUYAMA,
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Abstract(in English) In this paper, we propose a new design method of FIR filter with CSD coefficient representation. The CSD representation is often used for reducing a complexity of the FIR filter circuit, especially a number of shifters. However, the quantization of coefficients involves a large amounts of error. Therefore, the scaling operation for all coefficients is also used to keep the filter characteristics. In proposed method, we use a result of combinational optimization for the filter design problem as an initial value for searching the optimal scaling factor, in which, the combinational optimization problem is solved by using the Tabu Search. Several numerical experiments show that the scaling operation work efficiently by the proposed method.
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Keyword(in English) digital filter / combinational optimization / scaling
Paper # CAS2006-47,CST2006-23
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Committee CST
Conference Date 2006/11/13(1days)
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Registration To Concurrent System Technology (CST)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Scaling Effects in the Design of FIR Filter with CSD Coefficients
Sub Title (in English)
Keyword(1) digital filter
Keyword(2) combinational optimization
Keyword(3) scaling
1st Author's Name Yuichi OZAKI
1st Author's Affiliation Department of Electrical Engineering, School of Engineering, Tokyo DENKI University()
2nd Author's Name Kenji SUYAMA
2nd Author's Affiliation Department of Electrical Engineering, School of Engineering, Tokyo DENKI University
Date 2006-11-20
Paper # CAS2006-47,CST2006-23
Volume (vol) vol.106
Number (no) 367
Page pp.pp.-
#Pages 6
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