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How to Normalize a fft to plot in frequency domain?
When I plot the frequency domain the power is not 3 and 5 as I expect. I read the documentation for fft() and cannot figure out ...
7 years 前 | 1 个回答 | 1
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can someone explaing the computation for double sided and single sided spectrum in fft() example
Fs = 1000; T = 1/Fs; L = 1500; t = (0:L-1)*T; S = 0.7*sin(2*pi*50*t) + sin(2*pi*120*t); X = S + 2*randn(si...
7 years 前 | 2 个回答 | 3
