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Eugene Tikhonov,Manfred Sneps-Sneppe
Pág. 41 - 52
Data transmission using orthogonal functions means combining base carrier signals (scaled by numbers of useful information) into one sent signal. Processing the mixed signal after receiving allows dividing it back into carriers and restoring useful numbe...
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Eugene Tikhonov,Donat Shneps-Shneppe,Dmitry Namiot,Manfred Sneps-Sneppe
Pág. 59 - 70
Possible characteristics of railway communication networks at the stage of coverage growth as potential successors of GSM-R are analyzed in the paper. Communication in such networks can be provided by terrestrial base stations and/or by mobile satellite ...
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Eugene Tikhonov,Manfred Sneps-Sneppe
Pág. 13 - 26
The article introduces the theoretical foundations of the modern method of storing, transmitting and processing signals: digital processing. It?s a way to use relatively small number of values instead of continuous real signal. For example, when tra...
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Eugene Tikhonov,Manfred Sneps-Sneppe
Pág. 53 - 60
The article introduces powerful common tool for the signals analysis ? basics of a spectral analysis. It focuses on decomposition into complex sine waves (harmonic sinusoids) called the Fourier transform. Based on qualitative review of the natural phenom...
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Eugene Tikhonov,Manfred Sneps-Sneppe
Pág. 17 - 24
The article describes one of the powerful tools for the signals analysis while transmission ? complex mathematics. Here the basic concepts (complex numbers, complex signal as expansion of a real signal to a complex-valued function) and some operations (e...
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