傅里叶变换用C语言程序怎么实现?答:include <stdio.h> define N 8 void kkfft(double pr[], double pi[], int n, int k, double fr[], double fi[], int l, int il);void main(){ double xr[N],xi[N],Yr[N],Yi[N],l=0,il=0;int i,j,n=N,k=3;for(i=0;i<N;i++){ xr[i]=i;xi[i]=0;} prin...