SYSTEM AND METHOD FOR OPTIMIZING THE OPERATION OF AN OVERSAMPLED DISCRETE FOURIER TRANSFORM FILTER BANK

摘要

A system for, and method of optimizing an operation of an oversampled filter bank (100) and an oversampled discrete Fourier transform (DFT) filter bank designed by the system or the method. In one embodiment, the system includes: (1) a null space generator configured to produce a basis of a null space of a perfect reconstruction condition matrix based on a first window of the oversampled filter bank and (2) an optimizer associated with the basis generator and configured to employ the null space and an optimization criterion to construct a second window of the oversam led filter bank.