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pro vyhledávání: '"S. A. Baruzdin"'
Autor:
S. A. Baruzdin
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 0, Iss 1, Pp 75-83 (2019)
The well-known method of image reconstruction by projections in magnetic resonance imaging uses spin echo excited by two sinc pulses. The further processing involves forming of the spin echo signal two quadrature components converting them into a dig
Externí odkaz:
https://doaj.org/article/f67e1485a9584ed4b47656a2d08bb8a0
Autor:
S. A. Baruzdin
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 0, Iss 3, Pp 12-17 (2016)
The simulation of the operation of a photonic controller at matched filtering mode is performed. The basis for the simulations are the optical Bloch equations. Using the apparatus of the transition matrices of the system state complex envelopes of tw
Externí odkaz:
https://doaj.org/article/21f949d19d57432ba6dd92c8be1ac2d9
Autor:
S. A. Baruzdin
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 0, Iss 1, Pp 39-43 (2015)
The method of solving the equations of motion of the magnetization vector in a pulsed magnetic field with arbitrary modulation based on stepwise approximation of the complex envelope. Using this method simulated excitation of spin echo signals from p
Externí odkaz:
https://doaj.org/article/75168bfca02b442eb392d448a3662b9a
Autor:
S. A. Baruzdin
Publikováno v:
Optics and Spectroscopy. 121:607-613
The excitation of photon echo by noise pulses that are formed by modulation of the carrying frequency with Gauss noise is modeled. The modeling is based on optical Bloch equations the solution of which for noise pulse realizations is constructed by t
Autor:
S. A. Baruzdin
Publikováno v:
Technical Physics. 60:400-405
The excitation of a spin echo by two pulses with linear frequency modulation, upon which the pulse parameters ensure maximal compression of the response in time, is considered. The frequency of the excitation pulses was changed by a step law, approxi
Autor:
S A Baruzdin
Publikováno v:
Quantum Electronics. 31:719-722
The algorithm of excitation of a stimulated photon echo by two incoherent white noise Gaussian pulses and delta-like light pulses is studied. The average complex envelope of the echo is determined by solving Bloch equations. The results obtained can
Autor:
S. A. Baruzdin
Publikováno v:
Optics and Spectroscopy. 91:255-261
Excitation of stimulated photon echo by two incoherent pulses obtained from one source and one coherent pulse is considered. The dependence of the average amplitude of stimulated echo on the parameters of noise pulses is determined. The results can b
Autor:
S. A. Baruzdin
Publikováno v:
Technical Physics. 44:1457-1461
Pulsed stochastic excitation of a two-level system described by Bloch equations is studied. An equation for the average powers of the components of the state vector of the system is obtained on the basis of the theory of stochastic differential equat
Autor:
S. A. Baruzdin
Publikováno v:
Technical Physics. 42:1201-1205
The excitation of a stimulated spin echo by two coherent pulses of Gaussian white noise and a δ-function-like radio pulse is studied. The mean value of the complex envelope of the echo is obtained by solving the Bloch equations. The behavior of the
Autor:
S. A. Baruzdin
Publikováno v:
Journal of Experimental and Theoretical Physics. 85:34-41
The third-order cross-correlations between a free induction signal of an inhomogeneously broadened two-level system and white Gaussian noise exciting this system are studied. The temporal properties of the third-order cross-correlation functions are