DOI: https://doi.org/10.3103/S0735272716090053
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Fragment of time implementation sequence that is generated by the nonlinear chaotic algorithm

Digital generation of wideband chaotic signal with the comb-shaped spectrum for communication systems based on spectral manipulation

Konstantin A. Lukin, Oleg V. Zemlyaniy

Abstract


An algorithm for the digital generation of broadband chaotic signal with comb-shaped spectrum has been developed on the basis of nonlinear discrete system with delay. The data transmission method using the spectral manipulation technique with digital generation and processing was experimentally implemented. The results obtained can be utilized in the systems of transmitted data security from unauthorized access.

Keywords


digital generation of chaotic signals; dynamical system with delayed feedback; arbitrary waveform generator; AWG; spectral manipulation of chaotic signal; field-programmable gate array; FPGA; direct digital synthesis; DDS; digital signal processing; DSP

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References


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