Parallel Computing for Allpass Digital Filter Structures

XU Hong; HUANG Chao-geng; SONG Hong-bo; ZHOU Zhi-guang; LI Gang

doi:10.3969/j.issn.0372-2112.2015.10.023

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Parallel Computing for Allpass Digital Filter Structures

更新时间：2025-07-16

- Parallel Computing for Allpass Digital Filter Structures
- Acta Electronica Sinica Vol. 43, Issue 10, Pages: 2034-2039(2015)
- 作者机构：
  
  1. 浙江财经大学信息学院,浙江,杭州,310018
  2. 浙江工业大学信息工程学院,浙江,杭州,310023
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2015.10.023
  CLC： TN713
- Published：2015
- 稿件说明：
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XU Hong, HUANG Chao-geng, SONG Hong-bo, et al. Parallel Computing for Allpass Digital Filter Structures[J]. Acta Electronica Sinica, 2015, 43(10): 2034-2039.
DOI：

XU Hong, HUANG Chao-geng, SONG Hong-bo, et al. Parallel Computing for Allpass Digital Filter Structures[J]. Acta Electronica Sinica, 2015, 43(10): 2034-2039. DOI： 10.3969/j.issn.0372-2112.2015.10.023.

摘要

本文提出了两类并行计算的全通数字滤波器结构

并通过状态空间分析方法论述了并行处理的原理.通过舍入噪声分析

给出了噪声增益的表达式

对于一个

阶全通滤波器

其舍入噪声增益为4

.数值算例验证了所提结构的性能

同时

由于其具备并行处理的能力

更加适合高吞吐量的系统实现.

Abstract

Two classes of parallel computing digital filter structures for allpass systems are proposed.Based on the state-space approach

the principle of parallel processing is derived.The expression of roundoff noise gain for the proposed structures is obtained.For an

th order allpass digital filter

it yields a roundoff noise gain of 4

if it is realized using anyone of our proposed structures.A numerical example is presented to verify the performance and implementation complexity of the proposed structures.Compared with several traditional filter structures

it is much more efficient and high-throughput for real-time implementation due to the parallel processing.

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Related Institution

Zhejiang University of Science and Technology Hangzhou Zhejiang China

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