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Effects of incident field refraction on scattered field from vertically extended cylindrical targets in range-dependent ocean waveguides
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10.1121/1.3083235
/content/asa/journal/jasa/125/4/10.1121/1.3083235
http://aip.metastore.ingenta.com/content/asa/journal/jasa/125/4/10.1121/1.3083235
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Geometry of the scattering problem from a vertically extended cylindrical target of radius and length . The origin of the coordinate system is at the center of the cylinder.

Image of FIG. 2.
FIG. 2.

Scattered field level from the BBN target in a deep Pekeris waveguide over sandy bottom of Example 1 calculated with the VETWS model and Ingenito model. Source of frequency is co-located with receiver at ; target is centered at .

Image of FIG. 3.
FIG. 3.

Plot of magnitude and phase of coefficients of Example 1 for target located at from source.

Image of FIG. 4.
FIG. 4.

Mean sound speed profile for Gulf of Maine, during September and October 2006, used in the calculations of the total scattered field for Examples 2 and 3. Source and target locations in depth for both examples are also shown for reference.

Image of FIG. 5.
FIG. 5.

Scattered field level from the BBN target in the depth-dependent waveguide scenario of Example 2 calculated with the VETWS model and Ingenito model. Source of frequency is co-located with receiver at ; target is centered at .

Image of FIG. 6.
FIG. 6.

Plot of magnitude and phase of coefficients of Example 2 for target located at from source.

Image of FIG. 7.
FIG. 7.

Scattered field level from the BBN target in the depth-dependent waveguide scenario of Example 3 calculated with the VETWS model and Ingenito model. Source of frequency in (a) and in (b) is co-located with receiver at ; target is centered at .

Image of FIG. 8.
FIG. 8.

Difference in scattered field level between the VETWS model and Ingenito model for Example 3 with target centered at and sources of (a) and (b) .

Image of FIG. 9.
FIG. 9.

Bathymetry and sound speed profile used in the calculations of the total scattered field for the range-dependent example.

Image of FIG. 10.
FIG. 10.

Scattered field level from the BBN target in the range-dependent environment of Example 4 calculated with the VETWS model. Ingenito model is plotted as reference for a deep water column. Source of frequency is co-located with receiver at ; target is centered at .

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/content/asa/journal/jasa/125/4/10.1121/1.3083235
2009-04-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of incident field refraction on scattered field from vertically extended cylindrical targets in range-dependent ocean waveguides
http://aip.metastore.ingenta.com/content/asa/journal/jasa/125/4/10.1121/1.3083235
10.1121/1.3083235
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