依据这些原始数据设计适当的信息融合算法可以构建高精度的姿态航向参考系统，从而满足控制系统的要求。
With this measured data, information fusion algorithm is able to design a high precision Attitude and Heading Reference system. Therefore it can accord with the control system demand.
从而，使得传统的数据处理方法，不能满足工程应用对信息处理快速性和高精度的要求，这给数据融合带来困难。
As a result, the traditional data processing methods can't satisfy the demands of high precision and rapid speed of information processing, which brings new challenge to data fusion.
海底大地电磁仪为满足上述要求，其内部配备了高精度时钟源、姿态检测器件以及与海底电磁信息采集相关的自动信号测量与存储电路。
In order to solve the problems above, the high-precision clock, detecting posture device and automatic measurement circuit are equipped in Marine magnetotelluric instrument.
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