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#include "math.h" #include #include #include using namespace std; void DFT(complex a[],complex b[],int N) { for (int k=0;k { b[k]=complex(0,0); for(int n=0;n { complexY = complex(0,(2*3.141592654*k*n/N)); b[k]=b[k]+(a[n]*(exp(Y))); } } } int main() { complex x[4]={complex(1,0),complex(1,0),complex(1,0),complex(1,0)}; complex y[4]; complexz[4]; DFT(x,y,4); for(int k=0;k<4;k++) { cout<<"y["<<k<<"]="<<y[k]; } }2019-07-17 18:54:22赞同 展开评论 打赏
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