Adaptive lowpass filters

Kentaro Yamaguchi, Eiji Watanabe, Akinori Nishihara

研究成果: Paper査読

1 被引用数 (Scopus)

抄録

We propose a design of first-order adaptive infinite inpulse response (IIR) lowpass filters to find the passband-edge frequencies of lowpass signals. We first show that gradient algorithms cannot directly be applied because the mean square errors (MSEs) of output of IIR lowpass filters have no extremum. Then we introduce a weighting function to be multiplied with the transfer function so that MSB has an extremum. Structures to realize the proposed adaptive low-pass filters are shown. Simulations confirm the convergency of the proposed algorithms.

本文言語English
ページ509-512
ページ数4
出版ステータスPublished - 2004 12 1
イベント2004 IEEE Asia-Pacific Conference on Circuits and Systems, APCCAS 2004: SoC Design for Ubiquitous Information Technology - Tainan, Taiwan, Province of China
継続期間: 2004 12 62004 12 9

Conference

Conference2004 IEEE Asia-Pacific Conference on Circuits and Systems, APCCAS 2004: SoC Design for Ubiquitous Information Technology
CountryTaiwan, Province of China
CityTainan
Period04/12/604/12/9

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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