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The Finite-Precision Numerical Effects Analysis of Infinite Impulse Response

机译:无限冲激响应的有限精度数值效应分析

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摘要

This paper mainly uses the MATLAB software to design IIR digital filter with the amplitude frequency characteristic method and zero-pole method, and then analyzes the effect of coefficient quantization and q,u,antization effects in IIR digital filter arithmetic. It is that we can use the software to draw some pictures. These pictures can show coefficient system function of IIR digital filter with a certain length to quantify the zero pole after the system distribution, frequency response, after quantizing the coefficients under the direct, parallel and cascade structures, as well as the limit cycle oscillation and the overflow oscillation of fixed-point operation in the quantization effect of operation are drawn.
机译:本文主要利用MATLAB软件通过幅频特性法和零极点法设计IIR数字滤波器,然后分析了IIR数字滤波器算法中系数量化和q,u,抗化效果。正是我们可以使用该软件绘制一些图片。这些图片可以显示具有一定长度的IIR数字滤波器的系数系统功能,以量化系统分布后的零极点,频率响应,在直接,并联和级联结构下对系数进行量化之后,以及极限循环振荡和给出了定点运算在运算量化效果中的溢出振荡。

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