Second Order Recursive Digital Filter Structures with Low Coefficient Sensitivity and Low Roundoff Error

Yan Gong-tao

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Second Order Recursive Digital Filter Structures with Low Coefficient Sensitivity and Low Roundoff Error

更新时间：2025-12-08

- Second Order Recursive Digital Filter Structures with Low Coefficient Sensitivity and Low Roundoff Error
- Acta Electronica Sinica Issue 5, Pages: 36-41(1984)
- 作者机构：
  
  中国科学技术大学
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- Published：1984
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[1]燕公韬.低系数敏感度和低舍入误差的二阶递归数字滤波器的结构[J].电子学报,1984(05):36-41.

Yan Gong-tao. Second Order Recursive Digital Filter Structures with Low Coefficient Sensitivity and Low Roundoff Error[J]. Acta Electronica Sinica, 1984, (5): 36-41.
[1]燕公韬.低系数敏感度和低舍入误差的二阶递归数字滤波器的结构[J].电子学报,1984(05):36-41. DOI：

Yan Gong-tao. Second Order Recursive Digital Filter Structures with Low Coefficient Sensitivity and Low Roundoff Error[J]. Acta Electronica Sinica, 1984, (5): 36-41. DOI：

摘要

本文提出两个低系数敏感度和低舍入误差的二阶递归数字滤波器的新结构。该结构是通过两步两对抽出法获得的。第一步改善系数的敏感度

第二步降低数字滤波器传递函数的阶次。文中还仔细地分析了新结构的系数敏感度和舍入误差。

Abstract

Two second order recursive digital filter structures having both low coefficient sensitivity and low roundoff error are presented. The structures are derived via a two step two-pair extraction procedure

where the first step improves the coefficient sensitivity and the second step lowers the order of the digital filter transfer function. The coefficient sensitivity and roundoff error of the new structurs are analysed in detail.

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