搜索结果: 1-2 共查到“水文测量 Hydrography”相关记录2条 . 查询时间(0.179 秒)
Ellipsoidally Referenced Surveying for Hydrography
Ellipsoidally Referenced Surveying for Hydrography
2016/1/22
One of the most significant issues in hydrography today is using the ellipsoid as the vertical reference for surveying measurements. High-accuracy GNSS is used to position (vertically) hydrographic da...
This publication aims to fulfil the objective of FIG Commission 4’s Working Group 4.4, to develop an awareness of hydrographic surveying and raise its profile in terms of how it can benefit society, c...