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为了实现船载天线与同步通讯卫星的通讯，根据坐标变换原理和实际使用要求，提出了数引闭环、电平开环的跟踪方法。
In order to achieve the communication between the ship board antenna and the synchronous communication satellite, a method by the digital guiding closed loop and level open loop tracker is presented.
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