基于ccs软件的线性卷积研究及其应用  

Research and Application of the Linear Convolution Based on the CCS Software

作　　者：姜恩华[1] 朱旋[2] 陈东华 Jiang Enhua;Zhu Xuan;Chen Donghua(Huaibei Normal University,Huaibei 235000,China)

机构地区：[1]淮北师范大学物理与电子信息学院,安徽淮北235000 [2]淮北师范大学,安徽淮北235000

出　　处：《廊坊师范学院学报（自然科学版）》2021年第3期21-25,共5页Journal of Langfang Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(11875031);安徽省教育厅省级示范课“数字信号处理A”项目;淮北师范大学重点教学研究项目(2020xjxyj023)资助。

摘　　要：详细论述线性卷积的概念及其运算步骤,在CCS软件环境下,借助C语言编写线性卷积程序。根据FIR数字滤波器中h(n)的对称性,对线性卷积程序进行优化。以FIR数字低通和高通滤波器为例,通过输入序列设计、求解FIR数字滤波器的h(n)和线性卷积运算三个步骤,实现了FIR数字滤波。在CCS软件环境下,借助C语言编写FIR数字低通和高通滤波程序,验证了线性卷积实现FIR数字滤波的效果。The concept and the operation steps of the linear convolution are discussed in detail.Under CCS software environment,the program of the linear convolution is realized by the C language.According to the h(n)symmetry of the FIR digital filter,the program of the linear convolution is optimized.Taking the FIR digital low pass and high pass filter as examples,by the inputting sequence designing,the solving the h(n)of the FIR digital filter and the linear convolution operation,the FIR digital filtering is realized.Under CCS software environment,the FIR digital low pass and high pass filtering program is realized by the C language,the effect of the FIR digital filtering based on the linear convolution is verified well.

关 键 词：线性卷积 CCS软件 FIR数字滤波 

分 类 号：TN911.72[电子电信—通信与信息系统]