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Technical Program

Paper Detail

Paper:	SPTM-P1.5
Session:	Multi-rate Signal Processing and Wavelets
Time:	Tuesday, May 16, 10:30 - 12:30
Presentation:	Poster
Topic:	Signal Processing Theory and Methods: Multi-rate Signal Processing and Wavelets
Title:	Noise Reduction Design of Perfect Reconstruction Oversampled Filter Banks
Authors:	Li Chai, Hangzhou Dianzi University, China; Jingxin Zhang, Monash University, Australia; Cishen Zhang, Nanyang Technological University, Singapore; Edoardo Mosca, Universitya di Firenze, Italy
Abstract:	In this paper, we study the noise reduction design problem for oversampled filter banks (FBs) with perfect reconstruction (PR) constraint. Both the optimal design and worst case design are considered, where the former method caters for the noise with known power spectral density (PSD) and the latter one for the noise with unknown PSD. Explicit formulae involving only algebraic Ricatti equation and matrix manipulations are provided for the general (IIR or FIR) oversampled PR FBs.