NOISE MEASUREMENT USING GPS

A method and a system for measuring noise using a GPS is provided to measure the underwater radiation noise with respect to a measured ship by calculating three-dimensional position information in real time. A system for measuring noise using a GPS includes a sound listening section, a cable(170), a...

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Bibliographic Details
Main Authors LEE, O YOUNG, LEE, YEONG HO, LEE, KIL JONG, SON, YUNG DEUG
Format Patent
LanguageEnglish
Published 10.01.2007
Subjects
MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES
MEASURING
PHYSICS
TESTING
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Summary:A method and a system for measuring noise using a GPS is provided to measure the underwater radiation noise with respect to a measured ship by calculating three-dimensional position information in real time. A system for measuring noise using a GPS includes a sound listening section, a cable(170), an ultrasonic transmission section(150), a sound listening information receiving section, and a distance calculating unit. The distance calculating unit calculates three-dimensional position information of a plurality of sound listening units on the basis of an ultrasonic signal radiated from the ultrasonic transmission section and calculates the distance from a measured ship to the plurality of sound listening units.
Bibliography:Application Number: KR20050060585