Question

求matlab计算级数和描述如图所示,

Answer 1

N=4096;

A=1;

theta0=pi/6;

f0=10;

fs=64;

n=0:N-1;

xn=A*exp(j*(2*pi*f0*n/fs+theta0));

k=641.5;

ek=exp(-j*2*pi*k*n/N);

Xk=sum(x.*ek)