Presentation 1997/6/26
A Note of Implementation of Normalized ARMA Lattice Filter with CORDIC
Shinichi Shiraishi, Miki Haseyama, Hideo Kitajima,
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Abstract(in English) This paper proposes a method for implementation of a normalized ARMA lattice filter with CORDIC. An algorithm CALF is previously reported as a CORDIC processor implementation of an adaptive lattice filter. However, it is difficult to apply the CALF to a normalized ARMA lattice filter because of its problems about rotation angle computed by it and its convergence speed. Therefore, we present a method to implement CORDIC ARMA lattice section which resolves these problems. By using this specified CORDIC algorithm, the proposed lattice can be effectively implemented with VLSI. Moreover, the proposed lattice filter can estimate input, so that it can be applied to unknown-input models. Effectiveness of the proposed method is verified by experiments.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) ARMA lattice filter / CORDIC / implementation
Paper # CAS97-3
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Committee VLD
Conference Date 1997/6/26(1days)
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Registration To VLSI Design Technologies (VLD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Note of Implementation of Normalized ARMA Lattice Filter with CORDIC
Sub Title (in English)
Keyword(1) ARMA lattice filter
Keyword(2) CORDIC
Keyword(3) implementation
1st Author's Name Shinichi Shiraishi
1st Author's Affiliation Faculty of Engineering, Hokkaido University()
2nd Author's Name Miki Haseyama
2nd Author's Affiliation Faculty of Engineering, Hokkaido University
3rd Author's Name Hideo Kitajima
3rd Author's Affiliation Faculty of Engineering, Hokkaido University
Date 1997/6/26
Paper # CAS97-3
Volume (vol) vol.97
Number (no) 138
Page pp.pp.-
#Pages 8
Date of Issue