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您的检索式：作者名="YAO Shengchu"
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| 1 | The study on a new technology of waterway information system显示文摘It is a lot limitations to survey and design waterway by the CAD technique, due to timely variation of hydrology and ecology in the complicated estuary area, such as Changjing River estuary. In this paper, the advantages of GIS technique is applied to manage and process the multi kind , multi scale and multi time hydrographic parameters, including water depth, current velocity, tidal, waves, wind speed, temperature and salinity etc., also to deal with different projection, different scale charts. Meanwhile, in the paper, combination techniques of GIS and CAD has been developed for unification of the charts for efficient management, two-way automatic carts conversion between GIS and CAD, automatic cutting and assemble of a number of Charts, flight path of the projection of spatial data and coordinate transformation. This new technique has been applied to survey and design waterway of Changing River estuary. The result shows that the combination technology of GIS and CAD has application potentiality in the waterway survey and design. | HUANG Yu WU Honghai HE Ye YAO Shengchu | 2009 | Acta Oceanologica Sinica2009，28，5： | 0 |
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