A New Class of Low Complexity IIR Lattice Filters

YU Ai-hua; HUANG Chao-geng; LI Gang; XU Hong; CHANG Li-ping

doi:10.3969/j.issn.0372-2112.2013.09.006

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A New Class of Low Complexity IIR Lattice Filters

更新时间：2025-07-16

- A New Class of Low Complexity IIR Lattice Filters
- Acta Electronica Sinica Vol. 41, Issue 9, Pages: 1703-1709(2013)
- 作者机构：
  
  1. 浙江工业大学信息工程学院, 浙江省信号处理重点实验室,浙江,杭州,310023
  2. 浙江科技学院,浙江,杭州,310023
  3. 浙江工业大学信息工程学院浙江省信号处理重点实验室,浙江,杭州,310023
  4. 浙江科技学院,浙江,杭州,310023
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2013.09.006
  CLC： TN713.7
- Published：2013
- 稿件说明：
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YU Ai-hua, HUANG Chao-geng, LI Gang, et al. A New Class of Low Complexity IIR Lattice Filters[J]. Acta Electronica Sinica, 2013, 41(9): 1703-1709.
DOI：

YU Ai-hua, HUANG Chao-geng, LI Gang, et al. A New Class of Low Complexity IIR Lattice Filters[J]. Acta Electronica Sinica, 2013, 41(9): 1703-1709. DOI： 10.3969/j.issn.0372-2112.2013.09.006.

摘要

格型结构具有良好的抗有限字长效应能力而被应用于很多实时性较高的场合.归一化格型结构具备正交的特性

然而

对于一个

阶数字滤波器

它需要5

+1个乘法器.为了降低其实现复杂度

并保留正交的特性

本文基于单

双

三乘法器格型单元导出了其对应的新型格型单元和格型结构.仿真结果表明

当采用单乘法器新型格型单元时

新结构抵抗有限字长误差的能力与归一化格型结构非常接近

但由于其只需2

+1个乘法器

新结构在实时信号处理中具有更大的实用价值.

Abstract

Lattice structure is applied in a wide range of areas due to its excellent finite word length (FWL) properties.The normalized lattice structure is orthogonal

but for an

th-order digital filter

it needs 5

+1 multipliers.To decrease the computing complexity while keeping the orthogonality unchanged

the scaled elementary lattice and the corresponding lattice structure were derived based on the one-

two-

and three-multiplier lattice

respectively.The simulation result indicates when the scaled one-multiplier lattice is applied

the proposed structure has close performance compared with the normalized lattice structure

but it is more efficient for the real-time signal processing

for it needs only 2

+1 multipliers

much less than that in the normalized lattice structure.

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Related Author

XU Hong

HUANG Chao-geng

SONG Hong-bo

ZHOU Zhi-guang

LI Gang

YUAN Xiao

ZHANG Hong-yu

YU Jue-bang

Related Institution

浙江工业大学信息工程学院

浙江财经大学信息学院

College of Electronic Information,Sichuan Univ.

College of Electronic Eng.,UESTC

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