CAJ | 학술논문

借助CCS软件完成了IIR滤波器实验设计，主要设计工作包括输入序列 x（n）设计、求解系统函数 H （z）的程序设计和求解常系数差分方程的程序设计。首先，通过输入序列 x（n）设计和系统函数 H（z）设计，求出 x（n）和常系数差分方程的系数；其次，调用递推方法求解常系数差分方程的子程序，计算IIR滤波器的输出序列 y（n）。借助time／frequency选单观察 y（n）的时域波形和频谱。
차조CCS연건완성료IIR려파기실험설계，주요설계공작포괄수입서렬 x（n）설계、구해계통함수 H （z）적정서설계화구해상계수차분방정적정서설계。수선，통과수입서렬 x（n）설계화계통함수 H（z）설계，구출 x（n）화상계수차분방정적계수；기차，조용체추방법구해상계수차분방정적자정서，계산IIR려파기적수출서렬 y（n）。차조time／frequency선단관찰 y（n）적시역파형화빈보。
The experiment of the IIR filter is designed by using the CCS software ,which mainly include the input sequence x(n) design ,the program design of solving the system function H(z) and the program design of solving constant coefficient difference equation .First by designing the input sequence x(n) and the system function H(z) ,the value of the x(n) and the coefficient of the difference equation are calculated;secondly ,the output sequence y (n) of the IIR filter is calculated by using the program of solving constant coefficient difference equation by the recursive method .The time domain waveform and the spectrum of the y(n) are observed by the time/frequency menu .