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Originally Posted by Deamon
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Originally Posted by Dust
basically approximate sound at point A with a number of rays, trace the rays with snell's law, and estimate ray density at point B to get transmission loss
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Is this from that book you have mentioned ?
How do this snell law work ?
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good reference is Urick "Principles of Underwater Sound"
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Great. Do you have this book ? |
i have the infos from dewitt, he is the project leader of gcb. maybe you want to get into direct contact with him.
http://www.gcblue.com/v-web/bulletin...iewprofile&u=2
i just asked him if he has the book.
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Originally Posted by Deamon
That was actualy oneof my main sources, but it's rather basic. I need a comprehensive source that treats all relevant aspects in depth.
Deamon |
http://www.mbari.org/data/mbsystem/index.html
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Introduction
MB-System is an open source software package for the processing and display of bathymetry and backscatter imagery data derived from multibeam, interferometry, and sidescan sonars. The source code for MB-System is freely available (for free) by anonymous ftp (including "point and click" access through these web pages). A complete description is provided in web pages accessed through links below.
MB-System was originally developed at the Lamont-Doherty Earth Observatory of Columbia University (L-DEO) and is now a collaborative effort between the Monterey Bay Aquarium Research Institute (MBARI) and L-DEO. The National Science Foundation has provided the primary support for MB-System development since 1993. The Packard Foundation has provided significant support through MBARI since 1998. Additional support has derived from SeaBeam Instruments (1994-1997), NOAA (2002-2004), and others.
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maybe one of the best pages about sonar.