建立了定位测深系统的硬件平台。
The hardware of the locating and depth measuring system is designed.
首先要保证定位数据与测深数据是同步的，其次要保证时间的精确度足够高。
First, the positioning data and the elevation data should be synchronized, and then, the accuracy should be high enough.
并提出用差分gps配合声纳测深进行动态连续定位，从而建立海底地形模型的设想。
The author proposed a tentative idea about forming the model of submarine terrain by the model of DGPS combining with Sonar system.
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