Nonlinear Underwater Acoustics

Abstract : Contents: Parametric sound sources and receivers; Methods of calculation of nonlinear interactions in sound beams; Nonlinear interaction of plane waves; Method of the parabolic equation and basic results of linear diffraction theory; Parametric sound radiators with nondiffracting beams of pump waves; Calculation of different regimes of operation of the parametric radiator; Parametric receiving arrays; Operation of parametric radiators at high intensities of the pump waves; Thermal opto acoustic arrays; Construction features of parametric underwater devices; Experimental investigations and testing of parametric arrays; Parametric apparatus and the regions of their use, and Use of nomograms for calculation of the characteristics of a parametric radiator.