A Parametric Approach to IIR Digital Filter Design

XU Hong; LI Gang; HUANG Chao-geng; YE Feng

doi:10.3969/j.issn.0372-2112.2012.04.037

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A Parametric Approach to IIR Digital Filter Design

更新时间：2025-07-16

- A Parametric Approach to IIR Digital Filter Design
- Acta Electronica Sinica Vol. 40, Issue 4, Pages: 847-851(2012)
- 作者机构：
  
  1. 浙江工业大学信息工程学院,浙江,杭州,310023
  2. 杭州国芯科技股份有限公司,浙江,杭州,310012
  3. 浙江工业大学信息工程学院浙江杭州,310023
  4. 杭州国芯科技股份有限公司浙江杭州,310012
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2012.04.037
  CLC： TN713
- Published：2012
- 稿件说明：
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XU Hong, LI Gang, HUANG Chao-geng, et al. A Parametric Approach to IIR Digital Filter Design[J]. Acta Electronica Sinica, 2012, 40(4): 847-851.
DOI：

XU Hong, LI Gang, HUANG Chao-geng, et al. A Parametric Approach to IIR Digital Filter Design[J]. Acta Electronica Sinica, 2012, 40(4): 847-851. DOI： 10.3969/j.issn.0372-2112.2012.04.037.

摘要

基于连续时间状态空间结构和广义双线性变换

提出了一种设计无限冲激响应(IIR)数字滤波器的参数化方法.优点是稳定区域包含了整个参数空间

因此可以采用无约束优化方法.给出了仿真实例

并与已有的设计方法进行了比较

其通带波动、阻带衰减、群迟延等性能更为优越.

Abstract

Based on a continuous-time state-space structure and the generalized bilinear transformation(GBT)

a parameterization for IIR digital filter design is proposed.The cost function can be minimized without stability monitoring because the corresponding stability region is the entire parameter space.Simulation shows that the performance of the filters obtained with the proposed approach is better than that of those designed with an existing one in terms of passband ripple

stopband attenuation and group delay.

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Dept.Of Radio Eng.,Southeast Univ.

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