Lattice structures parameterization of linear phase paraunitary matrices with pairwise mirror-image symmetry in the frequency domain with an odd number of rows

C. W. Kok, T. Nagai, M. Ikehara, T. Q. Nguyen

    研究成果: Article査読

    5 被引用数 (Scopus)

    抄録

    Much attention has been placed into the design of digital filter banks with pairwise mirror-image symmetry in the frequency domain because such filter bank structure requires fewer multipliers and less time to design than most other structures. Furthermore, the designed subband filters have better attenuation in most cases. In this paper, the polyphase matrix of linear phase paraunitary filter banks with an odd number of channels and pairwise mirror-image symmetry frequency responses are completely characterized and parameterized by a lattice structure. The parameterization is shown to be complete and minimal. Design examples are presented.

    本文言語English
    ページ(範囲)633-636
    ページ数4
    ジャーナルIEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing
    48
    6
    DOI
    出版ステータスPublished - 2001 6 1

    ASJC Scopus subject areas

    • 信号処理
    • 電子工学および電気工学

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