基于MATLAB的FIR滤波器仿真研究  

Simulation of FIR Filters Based on MATLAB

作　　者：高玉凯[1] 马文玉[1] 董云峰[1] 夏遵义[1] 陈鑫[1] 谭淑梅[1] Yukai Gao;Wenyu Ma;Yunfeng Dong;Zunyi Xia;Xin Chen;Shumei Tan(School of mechanical and electrical engineering,Daqing normal university,Daqing,Heilongjiang, 163712,China)

机构地区：[1]大庆师范学院机电工程学院,黑龙江大庆163712

出　　处：《电子科学技术》2017年第4期66-68,共3页Electronic Science & Technology

基　　金：黑龙江省教育厅科学技术研究资助项目(项目编号:12543004)

摘　　要：通过对数字滤波器理论的系统分析,讨论了FIR数字滤波器的设计方法、步骤及实现形式,运用MATLAB仿真工具进行频谱分析和滤波运算模拟仿真解决设计问题,设计出符合性能指标的滤波器,并利用MATLAB的功能函数提取了叠加白噪声的两个正弦信号,仿真实验验证了结果的正确性。Through the analysis of the system of digital filter theory,discusses the design method of FIRdigital filter,steps and realization form,use MATLAB simulation tools for spectrum analysis and filterarithmetic simulation to solve design problems,design conforms to the performance index of filter,and the function of the MATLAB function is utilized to extract the white noise of two sine signals,thesimulation results verify the validity of the results.

关 键 词：FIR滤波器 白噪声 MATLAB仿真 

分 类 号：TN713[电子电信—电路与系统]