cw2.m

来自「some code use for dsb matlabe」· M 代码 · 共 10 行

% Spectral Analysis Using the DFT
N = 32;
T =90;
k = 0:N-1;
f = cos(-22*pi*k*(1/T));
F = fft(f);
stem(k,abs(F));grid
xlabel('k');
ylabel('|X[k]|');