Abstract
The sound pressure fields and the convergence characteristics of phase-conjugate waves in deep sound channels are simulated using the normal mode theory based on piece-wise linear approximation to the index of refraction squared. The sound source, with the frequency of 200 Hz, is placed on the channel axis. The transducer array consists of 160 elements. The distance between its elements is equal to the wavelength of the sound wave. The center of the array is set up so as to be in agreement with the channel axis. The sound pressure distributions between the sound source and the transducer array are calculated by changing the range between them from 10 km to 1000 km. It has been shown that good convergence characteristics of the phase-conjugate waves in deep sound channels are maintained also in the range exceeding 100 km.
Published Version
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