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An improved beam tracking method for phased array in mobile satellite reception

机译:一种改进的移动卫星接收中相控阵波束跟踪方法

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摘要

An improved beam tracking method for phased array in mobile satellite reception is introduced. Compare to the conventional hybrid gyroscope based tracking method; the method proposed here has relative fast beam searching and tight tracking capability. With such a gyroscope free tracking method, the phased array system can be used in large acceleration and vibration environments. The prototype system can achieve less than 5 seconds in initial beam searching; the tracking procedure can work under 20∼50Hz large vibration with the beam misalignment less than 1°.
机译:介绍了一种改进的移动卫星接收中相控阵波束跟踪方法。与传统的基于混合陀螺仪的跟踪方法相比;本文提出的方法具有相对快速的波束搜索和紧密的跟踪能力。通过这种无陀螺仪跟踪方法,相控阵系统可用于大型加速度和振动环境。原型系统可以在不到5秒的时间内完成初始光束搜索;跟踪程序可以在20〜50Hz的大振动下工作,并且光束失准小于1°。

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