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Experimental studies of low-frequency acoustic fields in a shallow sea

pp. 117-126, vol. 12, 2009

Alexander G. Luchinin
Institute of Applied Physics, Russian Academy of Science, Nizhny Novgorod, Russia

Key words: excitation and propagation; acoustical monitoring

Abstract: The results of the studies of excitation and propagation of low-frequency acoustic fields in a shallow sea, which have been carried out at the IAP RAS for several years, are discussed. A novel equipment complex designed specially for these experiments and intended for the selective excitation and reception of waveguide modes is described. Examples of measurements of various characteristics of low-order mode acoustic signals are given, which demonstrate high efficiency of the applied equipment and measurement technique.

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