![]() The discrete form is much closer to what is implemented in code: Note that the main difference is we replaced the integral with a summation. The take-away is that the signal has a single frequency, which is why we see a single spike/peak in the frequency domain. Is it morally wrong to use tragic historical events as character background/development? Before jumping into the code to produce a spectrogram, here is an example signal we will use, it is simply a tone in white noise: Here is what it looks like in the time domain (first 200 samples): In Python we can generate a spectrogram as follows: Which should produce the following, which is not the most interesting spectrogram because there is no time-varying behavior. 33 1.2K views 1 year ago MATLAB HELPER Conversion of images from the spatial domain to the frequency domain is converting the image matrix containing pixel values to the matrix. ![]() ![]() The image will be in the form of a matrix in MATLAB. ![]()
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