26 research outputs found
Ray-based description of normal mode amplitudes in a range-dependent waveguide
Full text linkAn analogue of the geometrical optics for description of the modal structure
of a wave field in a range-dependent waveguide is considered. In the scope of
this approach the mode amplitude is expressed through solutions of the ray
equations. This analytical description accounts for mode coupling and remains
valid in a nonadiabatic environment. It has been used to investigate the
applicability condition of the adiabatic approximation. An applicability
criterion is formulated as a restriction on variations of the action variable
of the ray.Comment: 11 pages, 5 figure
Formation of charge -transfer polymeric complexes during cationic polymerization of vinylacetylenes
No full textInvestigation by the ESR method of complex formation of polyenes with acid-type acceptors
No full textSynthesis of copolymers with a system of conjugated aromatic and olefinic double bonds in the basic chain of the macromolecule
No full text
Spatial structure of the coherence parameter of the sound field in an irregular arctic waveguide
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First Data on Formation Conditions of the Zhilnoye Au–Ag Epithermal Gold Deposit (Eastern Chukotka, Russia)
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