Abstract
This paper deals with the problem of diffraction due to an impulse line source by an absorbing half plane, satisfying Myers’ impedance condition (Myers, 1980 [13] ) in the presence of a subsonic flow. The time dependence of the field requires a temporal Fourier transform in addition to the spatial Fourier transform. The spatial integral appearing in the solution for the diffracted field is solved asymptotically (Copson, 1967 [15] ) in the far field approximation. Finally, a simple procedure is devised to calculate the inverse temporal Fourier transform.
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