Design and implementation of linear‐phase two‐channel perfect reconstruction finite impulse response filter banks with equiripple stopband

Takayuki Nagai, Masaaki Ikehara

    研究成果: Article査読

    抄録

    This paper presents a design and implementation method for the linear phase two‐channel perfect reconstruction finite impulse response (FIR) filter banks with arbitrary filter lengths. This method is labeled a weighted Lagrange‐Newton method; it is obtained by introducing the least squares weighting function into the Lagrange‐Newton method. Filter banks with good stopband attenuation (equiripple stopband) can be designed using this method. Furthermore, a new method is presented that makes the filter banks with a lattice structure using the property of a polyphase component matrix. the filter banks can achieve perfect reconstruction in spite of coefficient quantization.

    本文言語English
    ページ(範囲)27-36
    ページ数10
    ジャーナルElectronics and Communications in Japan (Part III: Fundamental Electronic Science)
    78
    12
    DOI
    出版ステータスPublished - 1995 12

    ASJC Scopus subject areas

    • 電子工学および電気工学

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