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acoustic position reference system |
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acoustic position reference system [ə′küs·tik pə′zish·ən ¦ref·rəns ‚sis·təm] (engineering) An acoustic system used in offshore oil drilling to provide continuous information on ship position with respect to an ocean-floor acoustic beacon transmitting an ultrasonic signal to three hydrophones on the bottom of the drilling ship. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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