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Sliding Spectrum Analysis Sliding spectrum analysisEmil Frenski, Member, IEEEVencislav Petrov, Dimitar ManolevSouth-West University “Neofit Rilski”, Blagoevgrad, BulgariaAbstract: The standard method for spectrum analysis in DSP is the Discrete Fourier transform (DFT), typically implemented using a Fast Fourier transform (FFT) algorithm. The reconstruction of the time-domain signal is then performed by the IFFT (Inverse Fast Fourier.