基于Code Composer Studio的无限冲激响应滤波器(IIR)的设计  

Design of the Infinite Impulse Response Filter(IIR)Based on Code Composer Studio

作　　者：许志敏 魏海峰[1] 陆彦如 XU Zhimin;WEI Haifeng;LU Yanru(Electronic Information School,Jiangsu University of Science and Technology,Zhenjiang 212003)

机构地区：[1]江苏科技大学电子信息学院,镇江212003

出　　处：《计算机与数字工程》2021年第4期818-821,共4页Computer & Digital Engineering

基　　金：国家自然科学基金项目(编号:51809128);江苏省省重点研发计划产业前瞻与共性关键技术重点项目(编号:BE2018007)资助。

摘　　要：论文讨论了一种用于数字信号处理中的无限冲激响应(IIR)数字滤波器。论文采用双线性变换法设计基于巴特沃斯法的IIR数字滤波器,详细说明了双线性变换法的处理过程和巴特沃斯模拟滤波器的设计过程,并以一个低通IIR数字滤波器的实现为例,应用DSP集成开发环境Code Composer Studio(CCS)软件仿真进行验证,能满足要求。This paper discusses an infinite impulse response(IIR)digital filter for digital signal processing.This paper uses the bilinear transformation method to design the IIR digital filter based on Butterworth method,details the processing process of the bilinear transformation method and the design process of Butterworth analog filter,and then takes the implementation of a low-pass IIR digital filter as an example.The DSP integrated development environment composer code studio(CCS)software simulation is used to verify.It can meet the requirements.

关 键 词：无限冲激响应滤波器 双线性变换法 数字信号处理 code composer studio 

分 类 号：TN91[电子电信—通信与信息系统]