问题描述:
matlab点乘问题
Matrix dimensions must agree.
function F = DFT(A,B,N,L,fs,chuang)
t=(0:N-1)/fs
ws=2*pi*fs
f=A*cos(200*pi*t)+B*cos(240*pi*t);
f=f.*chuang;
F=fftshift(fft(f,L))
w=(-ws/2+(0:L-1)*ws/L)/(2*pi)
plot(w,abs(F));
ylabel('幅度谱')
end
Matrix dimensions must agree.
function F = DFT(A,B,N,L,fs,chuang)
t=(0:N-1)/fs
ws=2*pi*fs
f=A*cos(200*pi*t)+B*cos(240*pi*t);
f=f.*chuang;
F=fftshift(fft(f,L))
w=(-ws/2+(0:L-1)*ws/L)/(2*pi)
plot(w,abs(F));
ylabel('幅度谱')
end
问题解答:
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