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文章介绍了一种源自于均衡正则滤波器中的一系列均衡双正交小波的新技术。其主要思路是找出所给出滤波器的一个均衡互补正则滤波器,这样得到的滤波器与理想半谱带滤波器之间存在最小二次方振幅背离。
The article introduces a new technique derived from a series of balanced biorthonormal wavelets in an even-order filter. The main idea is to find a balanced complementary regular filter for the given filter, and there is a minimum quadratic amplitude deviation between the resulting filter and the ideal half-band filter.