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Title: Arbitrary-length filter banks and robust frames: theory and factorization
Authors: Xu, Zhiming
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Electronic systems
Issue Date: 2009
Source: Xu, Z. (2009). Arbitrary-length filter banks and robust frames: theory and factorization. Doctoral thesis, Nanyang Technological University, Singapore.
Abstract: Over the past two decades, there have been persistent interests in the study of filter banks (FBs), due to their successes in wide applications such as compression, filtering and communication, and their unifying role for block, lapped and wavelet transforms. The core issue in the study of FBs is the theory and design approaches. Among all the existing methods, one of the most efficient ones is the lattice factorization based design method which employs the classic divide-and-conquer strategy, i.e., constructing a higher-order matrix polynomial by cascading several lower-order modular building blocks. Lattice factorization can offer modular and robust structures which enable the unconstrained optimization based FB design and are friendly to hardware realization in very large scale integrated circuits. Taking account of these advantages, this dissertation is devoted to a systematic investigation of the theory, lattice factorizations and designs for both critically sampled and oversampled FBs, as studied in Part I (Chapters 2-5) and Part II (Chapters 6-8), respectively.
Description: 221 p.
DOI: 10.32657/10356/46835
Rights: Nanyang Technological University
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Theses

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