Feeds
提问
How to convolve and plot fft of cosine function
X1[n]=3*cos((2*pi*3*n)/25); X2[n]=6*cos((2*pi*9*n)/25); X3[n]=9*cos((2*pi*12*n)/25); k=1,2,3 X[n] = summation from k=1 to 3 ...
8 years 前 | 1 个回答 | 0
1
个回答提问
trying to plot x(n) = 3cos((2*pi*3*n)/25)
matlab beginner here :( I need to lot an equation for some discrete time signals and the sum of thes signals over a range of n ...
8 years 前 | 2 个回答 | 0
