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Question
how to multiply two signals given step signal of duration 0.2 and cosine wave ,and i need to plot the spectrogram of the output ,some how managed to get product but spectrogram is happening
fs=1000; t=0:1/fs:2.0-1/fs; Z=length(t); f1=20; f2=30; f3=40; x=3*cos(2*pi*f1*(t)+0.2)+cos(2*pi*f2*(t)-0.3)+2*cos(2*pi*f3*...
5 years ago | 1 answer | 0
