Abstract
A technique for evaluating the efficiency of using ultra-wideband pulses (UWB) for signal transmission by digital modems in a closed space is proposed. The studies were carried out for the variant of approximation of the ultra-wideband signal by the Gaussian function. Approximation by a Gaussian monocycle is adopted for the radiated electromagnetic signal. Analytical expressions are given for calculating the width of the spectrum of the signal under study. Taking into account the obtained spectral characteristics, the calculation of the signal energy as a whole and in the given frequency bands was carried out. A comparative quantitative assessment of the energy efficiency of an ultra-wideband signal and a short radio pulse has been carried out.
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