4模剩余数系统FIR数字滤波器设计  

Design on FIR Filter based on 4-modulo residue number system

作　　者：吕晓兰[1] 肖明[1] 

机构地区：[1]广东石油化工学院计算机与电子信息学院,广东茂名525000

出　　处：《电子设计工程》2014年第12期18-19,22,共3页Electronic Design Engineering

基　　金：广东省自然科学基金重点项目(S2011020002735)

摘　　要：基于四模余数系统的FIR滤波器将一个滤波系统分为4个彼此独立,互不影响,并行运算的子滤波通道,消除了各个子运算通道之间的进位链,加快了计算的速度,提高了滤波精度。所有模都具有2n和2n±1的形式,电路完全基于组合逻辑电路来实现。结果表明,无论在功耗,速度,实现复杂度等方面,采用余数系统构建的FIR滤波器都优于于传统二进制FIR滤波器。An efficient VLSI architecture of RNS FIR filter based on four moduli sets is described , The FIR filter is decomposed into 4 filters working in parallel, independent suboperations. The new RNS FIR filter can offer a significant speed and precision improvement. these moduli forms of 2n or 2n±1 make modular arithmetic easier and less hardware complexity. We compare in terms of delay,area,and power dissipation the implementation of a traditional FIR filter with a Residue Number System （RNS） based one,show that the RNS filter is smaller and consumes less power than the traditional one.

关 键 词：剩余数系统 FIR滤波器 反向转换器 加法器 

分 类 号：TN47[电子电信—微电子学与固体电子学]