Berkas:SCM4 fig11.jpg

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Deskripsi
English: Acoustic simulation in a simple ocean environment, depicting several of the features required in a Naval operational model: beam source, wind-driven sea surface losses on the first reflection, and loss-vs-angle ocean bottom treatment. Also present but less evident in the simulation are seawater volume attenuation and spherical Earth corrections. Source frequency, angle, and beamwidth are 250 Hz, 5 degrees, and 1.5 degree respectively; water is isovelocity at 1500 m/s and depth is 1000 meters; windspeed is 20 m/s; ocean bottom parameters approximate soft rock.
Tanggal
Sumber R.A. Zingarelli and D.B. King: RAM to Navy Standard Parabolic Equation: Transition from Research to Fleet Acoustic Model, Figure 11. In: 2003 NRL Review.
Pembuat R.A. Zingarelli and D.B. King

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Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.

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terkini13 Agustus 2008 14.43Miniatur versi sejak 13 Agustus 2008 14.43513 × 336 (20 KB)Spoladore{{Information |Description={{en|1="Acoustic simulation in a simple ocean environment, depicting several of the features required in a Naval operational model: beam source, wind-driven sea surface losses on the first reflection, and loss-vs-angle ocean bot

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