Parametric receivers with spherically spreading pump waves.

Autor: Berktay, H. O., Shooter, J. A.
Zdroj: Journal of the Acoustical Society of America; 1973, Vol. 54 Issue 4, p1056-1061, 6p
Abstrakt: A closed-form solution is presented describing the performance of a parametric receiver using a pump wave which is spherically spreading in the interaction region. The development of this solution is simplified by restricting the width of the pump beam to a value not greater than the beamwidth of the parametric receiver. The results are shown to be in good agreement with those obtained by the numerical evaluation of the scattering integral using the method discussed in the paper of G. R. Barnard et el. [J. Acoust. Soc. Am. 52, 1437 (1972)]. The same approach is used to develop a closed-form solution for the nearfield performance of a parametric receiver. Experimental results are presented and compared with computed results, showing good agreement. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index