Abstract
The quasioptical theory is generalized for approximate analytical description of refraction and diffraction focusing of multimode beams of narrowband pulse radiation in oceanic waveguides stratified over depth. General regularities of joint manifestation of spatial focusing and dispersion-induced compression of frequency-modulated pulsed signals during propagation of multimode beams are analyzed.
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Original Russian Text © Yu.V. Petukhov, 2011, published in Akusticheskii Zhurnal, 2011, Vol. 57, No. 4, pp. 509–520.
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Petukhov, Y.V. Space-time focusing of multimode beams in oceanic waveguides. Acoust. Phys. 57, 518–528 (2011). https://doi.org/10.1134/S106377101103016X
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DOI: https://doi.org/10.1134/S106377101103016X