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Industrial Automatic Control Systems and Controllers

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Approximation of Function with Breaks. Method of Demodulation of a Complex Signal
D.B. ROZHDESTVENSKY

The problem of approximation of function with ruptures is solved. The decision is based on representation of final sample of equidistant readout, as result of modulation of a complex signal. Using methods of formation of the signal limited on a spectrum, initial sample of a discrete signal is transformed to the peak-modulated signal. Peak demodulation has allowed to receive a signal which is approximation of an initial signal, free from distortions because of Gibbs-phenomenon. Keywords: approximation, modulation, a spectrum of the modulated signal, effect of the “window”, allocating function, demodulation. E-mail vr-45@mail.ru. Pp. 18-27

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