Underwater GPS positioning system includes four parts which are GPS differential reference station, GPS buoy subsystem, underwater pinger, ship-based dataprocessing and control center.
差分gps水下立体定位系统包括GPS差分基准站、GPS浮标、水下收发机、船基控制中心四部分。
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The author describes the working principle of the computer data acquisition and processingsystem for ship model tests .