基于改进分布式算法的FIR滤波器设计  

FIR FILTER DESIGN BASED ON IMPROVED DISTRIBUTED ALGORITHM

作　　者：王健 冉全[1] 李俊俊 Wang Jian;Ran Quan;Li Junjun(School of Computer Science and Engineering,Wuhan Institute of Technology,Wuhan 430205,Hubei,China)

机构地区：[1]武汉工程大学计算机科学与工程学院,湖北武汉430205

出　　处：《计算机应用与软件》2022年第5期132-134,212,共4页Computer Applications and Software

摘　　要：分布式算法(DA)具有节约硬件资源的优势,被广泛地应用于FIR滤波器设计中。提出一种改进的分布式算法,通过FPGA实现了一个32抽头的FIR低通滤波器,对ModelSim的仿真结果进行了分析,验证了该算法的可行性。结果表明改进的分布式算法比传统分布式算法显著降低了逻辑单元和存储资源的占用。Distributed algorithm(DA)has the advantage of saving hardware resources,which is widely used in FIR filter design.This paper proposes an improved distributed algorithm.A 32-tap FIR low-pass filter was implemented by FPGA.We analyzed the simulation results of ModelSim to verify the feasibility of the algorithm.The results show that the improved distributed algorithm significantly reduces the occupation of logical units and storage resources compared with the traditional distributed algorithm.

关 键 词：FPGA FIR滤波器 分布式算法 MODELSIM 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]