Biorthogonal cosine-modulated filter bank

Biorthogonal cosine-modulated filter bank

Cosine-modulated filter banks have been studied extensively because of their design ease and efficient implementation. These filter banks either have restricted lengths or assume the paraunitary property for the polyphase matrices. In this paper, the biorthogonal cosine-modulated filter bank with ar...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Nguyen, T.Q., Heller, P.N.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Cost function
Delay systems
Equations
Filter bank
Prototypes
Quantum cascade lasers
Sufficient conditions
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Beschreibung
Zusammenfassung:Cosine-modulated filter banks have been studied extensively because of their design ease and efficient implementation. These filter banks either have restricted lengths or assume the paraunitary property for the polyphase matrices. In this paper, the biorthogonal cosine-modulated filter bank with arbitrary length is considered and the perfect reconstruction (PR) conditions are derived. These conditions are the general form of the PR conditions reported in the literature. Examples of PR systems with variable overall delay are designed using the quadratic constrained least squares formulation.
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.1996.543940