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Title:Least-Squares Approximation and Polyphase Decomposition for Pipelining Recursive filters
Author(s):Gupta, Aditya
Advisor(s):Singer, Andrew C.
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Prony's Method
Polyphase decomposition
In nite-length impulse response (IIR) approximation
Abstract:Current techniques used in pipelining recursive filters require high hardware complexity. These techniques attempt to preserve the exact frequency response of the original circuit while seeking to construct a pipelined architecture. We present a technique that relaxes the need to preserve the exact frequency response and instead considers a least-squares formulation in conjunction with the pipelined architecture. The benefit of this design is that it reduces the complexity of the pipelined circuit immensely, while enabling a simple pipelined architecture based on a polyphase decomposition of the original filter.
Issue Date:2011-01-14
Rights Information:Copyright 2010 Aditya Gupta
Date Available in IDEALS:2011-01-14
Date Deposited:December 2

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