Topic: Sonar Imaging
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Answers to Common Questions
Why do side-scan sonar images seem to show shadows?
The objects in the images block the sound waves, creating shadows. The mathematics of acoustic shadows are identical to that for optical shadows. Read More »
Source: http://answers.yahoo.com/question/index?qid=20080823153519AAqhjIY
Why would a fish biologist use an imaging sonar system to count f...
The Fraser River in British Columbia, Canada, is home to the largest grouping of Pacific salmon stocks in the world, over 150 stocks at last count. All five Pacific salmon species are found in the Fraser River – pink, coho, chum, Chinook, a... Read More »
Source: http://www.acoustics.org/press/149th/holmes.htm
how do they somehow manage to use sonar imaging to detect his ma...
Two thoughts come to mind: Bruce programmed in the bodytype, scars, makeup, and such into the search program to go with the voice match, or the makeup makes subtle changes in sound as it bounces off the Joker's face. Either way, no big for ... Read More »
Source: http://tvtropes.org/pmwiki/pmwiki.php/JustBugsMe/TheDarkKnight
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