基于MATLAB的IIR数字低通滤波器的设计  

THE DESIGN OF IIR DIGITAL LOWPASS FILTER BASED ON MATLAB

作　　者：孙慧萍[1] 张丽[1] 王利红[1] 张莉 SUN Hui-ping;ZHANG Li;WANG Li-hong;ZHANG Li(School of Mathematics and Computer Science, Shanxi Datong University, Datong 037009, China)

机构地区：[1]山西大同大学物理与电子科学学院

出　　处：《南阳理工学院学报》2019年第2期42-44,共3页Journal of Nanyang Institute of Technology

摘　　要：本文首先介绍了利用Matlab软件中的FDAtool界面来设计数字低通滤波器,其次介绍了采用脉冲响应不变法以及用编程的方法设计数字低通滤波器,最后还进行了Simulink的仿真,结果达到要求。This article firstly introduces to how to design a digital low-pass filter with the FDA TOOL interface of Matlab software. Secondly it discusses how to design a digital low-pass filter with pulse response invariant method and programmming. Finally the Simulink simulation is carried out and the results meet the requirements.

关 键 词：MATLAB 巴特沃兹低通滤波器 脉冲响应不变法 SIMULINK仿真 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]