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Found on http://www.encyclo.co.uk/local/20793
Fast Fourier Transform. An algorithm for computing the Fourier transform of a set of discrete data values. Given a finite set of data points, for example a periodic sampling taken from a real-world signal, the FFT expresses the data in terms of its component frequencies. It also solves the essentially identical inverse problem of reconstructing a s... Found on http://www.encyclo.co.uk/local/20846
Fast Fourier transform. A quick method of performing a Fourier analysis on a sound. See Fourier analysis. Found on http://www.encyclo.co.uk/local/22285
Fast Fourier Transform. A computationally efficient mathematical technique which converts digital information from the time domain to the frequency domain for rapid spectral analysis. Found on https://www.encyclo.co.uk/local/20850