Accession Number : AD0623015

Title :   A REVIEW OF THE U. S. NAVY UNDERWATER SOUND LABORATORY'S ISO-LOSS CONTOUR PROGRAM.

Descriptive Note : Research rept.,

Corporate Author : NAVY UNDERWATER SOUND LAB NEW LONDON CONN

Personal Author(s) : Einstein,Lloyd T.

Report Date : 19 OCT 1965

Pagination or Media Count : 23

Abstract : The current status of sound field prediction at the U. S. Navy Underwater Sound Laboratory is described. A raytracing program has been written which produces iso-loss and iso-anomaly contours for a cylindrically symmetric, layered medium, with the gradient held constant within each layer. A simplifying prediction tool applicable in this situation, the F-line, is described. Predicted sound field discontinuities produced by rays that vertex near break-points in the velocity-depth structure are discussed. (Author)

Descriptors :   (*UNDERWATER SOUND, SOUND TRANSMISSION), (*SOUND TRANSMISSION, UNDERWATER SOUND), (*ACOUSTICS, UNDERWATER SOUND), ACOUSTIC SIGNALS, PROPAGATION, VECTOR ANALYSIS, CURVE FITTING, HYDROGRAPHIC SONAR, NAVAL RESEARCH, CARIBBEAN SEA

Distribution Statement : APPROVED FOR PUBLIC RELEASE