OPTIKA ATMOSFERY I OKEANA JOURNAL
V.E. ZUEV INSTITUTE OF ATMOSPHERIC OPTICS
Vol. 7, issue 07, article # 10
pdf Abramov N. G. Radius of curvature of a sound beam in an inhomogeneous moving medium. // Atmospheric and oceanic optics. 1994. V. 7. No. 07. P. 499-502.Copy the reference to clipboard
Abstract:
An exact formula for the radius of curvature of a sound beam derived for the case of a moving inhomogeneous medium is presented in this paper. The case of plane wave was investigated in a nonorthogonal curvilinear coordinate system referred to a reference beam.