GENERAL-ANALYSIS OF 2-BAND QMF BANKS


TUNCER T. E. , NGUYEN T.

IEEE TRANSACTIONS ON SIGNAL PROCESSING, cilt.43, ss.544-548, 1995 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 43 Konu: 2
  • Basım Tarihi: 1995
  • Doi Numarası: 10.1109/78.348138
  • Dergi Adı: IEEE TRANSACTIONS ON SIGNAL PROCESSING
  • Sayfa Sayıları: ss.544-548

Özet

The two-channel perfect-reconstruction quadrature-mirror-filter banks (PR QMF banks) are analyzed in detail by assuming arbitrary analysis and synthesis filters. Solutions where the filters are FIR or IIR correspond to the fact that a certain function is monomial or nonmonomial, respectively. For the monomial case, the design problem is formulated as a nonlinear constrained optimization problem. The formulation is quite robust and is able to design various two-channel filter banks such as orthogonal and biorthogonal, arbitrary delay, linear-phase filter banks, to name a few. Same formulation is used for causal and stable PR IIR filter bank solutions.