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对CIC(Cascade of Integrators Comb)滤波器的改进,是在尽量不改变滤波器简易性的情况下,尽可能的改善滤波器的滤波效果,Gordana Jovanvic-Dolecek等人先后提出了不同的改进方法,通过锐化滤波器,相位分解等方法来改进滤波器性能。本文比较了相关的几种方法,并在此基础上提出一种改进的实现框图,采用此方法可以在改善滤波器性能的基础上,最大限度的减少资源消耗。
The improvement to the CIC (Cascade of Integrators Comb) filter is to improve the filtering effect of the filter as much as possible without changing the simplicity of the filter, and Gordana Jovanvic-Dolecek et al. Have proposed different improvement methods successively, Filter performance can be improved by sharpening filters, phase decomposition, and more. This article compares several methods, and on this basis proposes an improved implementation diagram, which can reduce the resource consumption to the maximum extent based on improving the performance of the filter.