Nikolay Smagin

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In this work, we present an analytic and numerical model for energy harvesting of an underwater acoustic spherical sensor. The energy harvester is composed of two half-spheres made of Plexiglas with a PZ26 piezoelectric ring fixed between them. For the analytical model, the piezoelectric ring was modeled using primary thickness and radial vibration modes.(More)
In the paper, significance of driving phenomenon for formation of motor dominant is considered and experimentally corroborated with the aid of autocorrelation and spectral analysis of the working man's EEG. The A.A. Ukhtomsky classical postulate has been complemented by contemporary ideas of the role of phasic relationships between the cortical activity(More)
Specific cortical functional systems with synphasic and coherent activities were revealed in the left hemisphere as reflecting the motor program by means of the topical specifics. Diminishing of the activity synchronous character in the precentral and prefrontal areas and its increasing in the precentral and parietal inferior areas occurred in the course of(More)
Wideband surface acoustic wave (SAW) generation with a spatial chirp-based interdigital transducer was optimized for non-destructive characterization and testing of coatings and thin layers. The use of impulse temporal excitation (Dirac-type negative pulse) leads to a wide band emitter excitation but with significantly limited SAW output amplitudes due to(More)
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