Archive for 17 Oct 2010

Fast Fourier Transform (FFT) (Part 5)

Part 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 So far so good, we got our magnitude spectrum. We may now analyze it just like any other spectrum in order to get meaningful information. In our case, we may want to identify the main frequencies from the spectrum. Firstly we will run a peak picking algorithm in order to locate major peaks, and […]