THE ANGULAR RESPONSE OF PARAMETRIC ARRAYS—GENERAL NUMERICAL SOLUTION

A numerical method is used to describe the angular amplitude and phase responses of non-saturation limited parametric arrays especially within the interaction region of the arrays. Farfield expression of the primary waves are employed in the method to approximate the primary fields. It is shown that the obtained numerical results are in close agreement with available experimental results both in farfield region and within the Rayleigh distance.