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15.6.4C. A simple model for convergence zone propagation consists of two linear sound- speed gradients: with the sound speed 1500 m/s at the surface, 1475 m/s at 1000 m, and a gradient of 0.016 s¹ below 1000 m. The bottom is assumed deep enough not to interfere with any rays of interest. For a source at the surface, (a) plot, as a function of the angle of depression, the range at which a ray reaches the surface and determine the convergence zone range and the width of the conver- gence zone. (b) Determine the minimum water depth necessary for the conver- gence to exist.

15.6.4C. A simple model for convergence zone propagation consists of two linear sound- speed gradients: with the sound speed 1500 m/s at the surface, 1475 m/s at 1000 m, and a gradient of 0.016 s¹ below 1000 m. The bottom is assumed deep enough not to interfere with any rays of interest. For a source at the surface, (a) plot, as a function of the angle of depression, the range at which a ray reaches the surface and determine the convergence zone range and the width of the conver- gence zone. (b) Determine the minimum water depth necessary for the conver- gence to exist.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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15.6.4C. A simple model for convergence zone propagation consists of two linear sound- speed gradients: with the sound speed 1500 m/s at the surface, 1475 m/s at 1000 m, and a gradient of 0.016 s¹ below 1000 m. The bottom is assumed deep enough not to interfere with any rays of interest. For a source at the surface, (a) plot, as a function of the angle of depression, the range at which a ray reaches the surface and determine the convergence zone range and the width of the conver- gence zone. (b) Determine the minimum water depth necessary for the conver- gence to exist.
Transcribed Image Text:15.6.4C. A simple model for convergence zone propagation consists of two linear sound- speed gradients: with the sound speed 1500 m/s at the surface, 1475 m/s at 1000 m, and a gradient of 0.016 s¹ below 1000 m. The bottom is assumed deep enough not to interfere with any rays of interest. For a source at the surface, (a) plot, as a function of the angle of depression, the range at which a ray reaches the surface and determine the convergence zone range and the width of the conver- gence zone. (b) Determine the minimum water depth necessary for the conver- gence to exist.
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