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Generation of fractal-spectrum signals

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Development of communications systems reliably operating in an unfavorable electromagnetic environment is today a challenging problem because of a high density of interfering signals generated by numerous radioelectronic systems (especially in cities) and a large amount of electromagnetic noise of different natures. The search for new types of noise-immune signals is a key direction in designing communications system reliably operating in a noisy environment. Using a fractal wavelet signal as an example, we consider the theoretical and experimental data on synthesizing wide-band fractal signals on a 2-GHz sinusoidal carrier and discuss their basic properties. It is shown that such signals have self-similar fractal spectra and a high noise immunity and, therefore, can be applied in noise-immune communications.

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Original Russian Text © V.N. Bolotov, Yu.V. Tkach, 2006, published in Zhurnal Tekhnicheskoĭ Fiziki, 2006, Vol. 76, No. 4, pp. 91–98.

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Bolotov, V.N., Tkach, Y.V. Generation of fractal-spectrum signals. Tech. Phys. 51, 482–488 (2006).

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