该文从信号分解与合成角度出发，考察匹配滤波器组合重构方程的时频域形式，研究一类基于离散正交变换的匹配滤波器组合的结构及其分类，分析离散理想滤波器及其匹配组合的滤波属性，讨论迭代匹配理想滤波器系统子带分解之特性，给出模拟实验结果。 From the perspective of signal decomposition and synthesis, the paper investigates the time-frequency domain forms of matched filter reconstruction equations, studies the structure and classification of a class of matched filter combinations based on discrete orthogonal transform, analyzes the discrete ideal filters and their The filter properties of the matched combination are discussed, and the characteristics of subband decomposition of the iteratively matched ideal filter system are discussed. The simulation results are given.