Abstract
This paper addresses a solution to the problem of designing the low pass filter of a two-channel IIR orthogonal perfect reconstruction filter bank to match a specified frequency response. The derived solution treats independently the numerator and denominator in the rational transfer function. Based on the proposed solutions, a low pass filter is matched to a desired frequency response and the frequency response constrained to be have multiple zeroes at (pi) . The end result is a low pass filter with a smoother response function than FIR based solutions for a given number of filter coefficients while optimal in the sense of being close to desired functions. The paper concludes by demonstrating the solution by matching the low pass filter of a Meyer wavelet.© (2002) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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