Expendable virtual vertical sensing array

Autor:	William A. Von Winkle, William I. Roderick
Rok vydání:	1992
Předmět:	Acoustic field Acoustics and Ultrasonics Arts and Humanities (miscellaneous) Aperture Range (statistics) Surface ship Near and far field Underwater Geology Vertical orientation Remote sensing
Zdroj:	The Journal of the Acoustical Society of America. 92:1794-1794
ISSN:	0001-4966
DOI:	10.1121/1.403891
Popis:	A method and apparatus of determining the range and depth of a far field underwater target is provided. A multi-sensor device is released into the water from a surface ship or other deploying platform and allowed to exhibit vertical free-fall in the water. Acoustic field, temperature and depth information are received from the multi-sensor device at depth points along the free-fall. The depth points from a virtual vertical aperture. The acoustic field, temperature and depth information at the depth points are inputs of a virtual vertical sensing array used to determine the range with depth of the target.
Databáze:	OpenAIRE
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