Search Results - "Kravtsov, Y A"

Contribution of steep irregularities to the radio-brightness temperature of the ocean by Kravtsov, Y. A., Churyumov, A. N.

“…We propose a new mechanism of a change in the brightness temperature of the ocean due to the contribution from steep mesoscale waves and estimate the…”
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Paternity rates among men who have not undergone varicocelectomy in childhood or adolescence by Sizonov, V V, Sichinava, Z A, Kravtsov, Y A, Kogan, M I

“…Feasibility of prophylactic varicocelectomy in adolescents is under discussion, which determines the importance of studying the frequency of paternity among…”
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Resonant and nonresonant mechanisms of forming space radar images of the ocean by Churyumov, A.N., Kravtsov, Yu.A., Lavrova, O.Yu, Litovchenko, K.Ts, Mityagina, M.I., Sabinin, K.D.

“…The paper considers two approaches to quantitative description of the microwave backscatter from the ocean surface: resonant and nonresonant. It is shown that…”
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Gaussian Beam Diffraction and Self-Focusing in Weakly Anisotropic and Dissipative Nonlinear Plasma by Berczynski, P., Berczynski, S., Kravtsov, Yu.A.

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Enhanced backscattering: the universal wave phenomenon by Barabanenkov, Yu.N., Kravtsov, Yu.A., Ozrin, V.D., Saichev, A.I.

“…Backscattering enhancement is discussed as a universal wave phenomenon inherent to waves of whatever physical nature: electromagnetic, acoustic, spin, etc…”
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Calibration procedure for plasma polarimetry based on the complex amplitude ratio measurements by Bieg, Bohdan, Kravtsov, Yury A., Cieplik, Marek

“…New methodology for plasma polarimeters calibration is suggested, based on the complex amplitude ratio (CAR) measurements. This methodology reduces calibration…”
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Principle equivalence and practical difference between two approaches to plasma polarimetry: The Stokes vector formalism and the angular variables technique by Kravtsov, Yury A., Bieg, Bohdan, Chrzanowski, Janusz

“…In spite of well known different forms of the description of electromagnetic wave polarization state, up to now the evolution of the polarization state in…”
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Multi-parameter gradient procedure for polarimetry data inversion in tokamak plasma by Chrzanowski, J., Kravtsov, Yu. A., Mazon, D.

“…► We use gradient procedure to fit plasma parameters to polarimetric data. ► Calculations are performed in developed by authors angular variables technique. ►…”
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Theory for Gaussian beam diffraction in 2D inhomogeneous medium, based on the eikonal form of complex geometrical optics by Berczynski, P., Kravtsov, Yu.A.

“…A simple and effective method to describe Gaussian beams propagation and diffraction in arbitrary smoothly inhomogeneous 2D medium has been developed based on…”
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Nonlinear saturation of prebifurcation noise amplification by Kravtsov, Yu.A., Surovyatkina, E.D.

“…The method for calculation of noise amplification in nonlinear systems near bifurcation point is suggested, which takes into account nonlinear saturation of…”
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A study of the applicability and divergence of the ray series using a modified transport equation by Buske, Stefan, Kravtsov, Yury A.

“…In this paper, we study an extension of the standard ray-theoretical transport equation. We include a higher-order term of the ray series and obtain a modified…”
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Representation of a wave field in a randomly inhomogeneous medium in the form of the double-weighted Fourier transform by Kravtsov, Yuri A., Tinin, Mikhail V.

“…New integral representation of a wave field dn a continuously inhomogeneous random medium is suggested in the form of double‐weighted Fourier transformation,…”
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Multiple diffraction of electromagnetic waves by a wedge of concave shape by Kravtsov, Yury A., Zhu, Ning Yan

“…Multiple diffraction of short-wavelength electromagnetic waves by a wedge of concave shape is considered. Analysis is performed on the basis of geometrical…”
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Description of the 2D Gaussian beam diffraction in a free space in frame of eikonal-based complex geometric optics by Kravtsov, Yu.A., Berczynski, P.

“…Analytical expression for the 2D Gaussian beam diffraction in a free space is derived from the eikonal-based form of complex geometrical optics (CGO). This…”
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Statistical properties of reflection traveltimes in 3-D randomly inhomogeneous and anisomeric media by Kravtsov, Yu. A., Müller, T. M., Shapiro, S. A., Buske, S.

“…We study the statistical properties of seismic reflection traveltimes in the presence of the double-passage effect (DPE) in order to characterize the…”
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Influence of enhanced backscattering phenomenon on laser measurements of dust and aerosols content in a turbulent atmosphere by Chrzanowski, J., Kirkiewicz, J., Kravtsov, Yu.A.

“…Influence of enhanced backscattering effect on laser measurements of dust and aerosols content in a turbulent atmosphere is discussed. It is shown that…”
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Signatures of resonant and non-resonant scattering mechanisms on radar images of internal waves by Churyumov, A. N., Kravtsov, Yu. A., Lavrova, O. Yu, Litovchenko, K. Ts, Mityagina, M. I., Sabinin, K. D.

“…The results of two polarization airborne radar imagery tests of the ocean surface obtained during the JUSREX'92 experiment are presented. It is shown that the…”
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Double weighted Fourier transform for the wave field in inhomogeneous medium: Some results and prospects by Kravtsov, Y. A., Tinin, M. V., Knizhin, S. I., Kulizhsky, A. V.

“…This paper discusses results of the application of double weighted Fourier transform (DWFT) to problems of communication and diagnostics of inhomogeneous…”
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Divergence of geometrical optics series at the boundary of its applicability: An analytical example in elementary functions (2D Gaussian beam in free space) by Kravtsov Yury, Buske Stefan

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Experimental morphological study of rapidly resolved implants used for the treatment of ventral hernias by Grigoryuk, A A, Kravtsov, Yu A

“…Experimental defect in the abdominal wall, created in 36 outbred albino rats, was closed with an implant (biocompatible connective-tissue element). The…”
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