【摘要】 介绍了一种实时导航功能强、精度高的水下地形测量系统。作者通过全球定位系统(GPS)和双频测深仪(DFS)在水下地形测量中的实际应用,叙述了实时导航及测图作业的具体步骤和方法,同时指出了 GPS 在我国众多的江河、湖泊及大型水库监测中应用的广阔前景。更多还原

【Abstract】 A kind of underwater topographical survey system with powerful func- tion of real-time guidance and high precision is introduced in this paper.According to the application of Global Positioning Systems (GPS) and Double Frequency Sounder (DFS) in the underwater topographic survey,the practical methods and moves of surveying are discussed.And the wider prospect of using GPS for moni- toring rivers,lakes and giant reservoirs in our country is also indicated.更多还原