单词 | ship-tended acoustic relay |
释义 | ship-tended acoustic relay [`ship ¦ten·dǝd ǝ`küs·tik `rē´lā] NAVIGATION An acoustic navigation system that employs ocean bottom transponders and determines the distance of the ship from these transponders by measuring the time required for a signal broadcast by an acoustic transducer below the hull of the ship to travel to the transponder, be rebroadcast there, and travel back to the ship. Abbreviated STAR. |
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