Three dimensional nonlinear datum transformation is widely used in geodesy and photogrammetry.
三维基准转换广泛应用于大地测量和摄影测量。
Through studying the relationship between space vectors of different coordinate systems, a new model of three-dimensional datum transformation is proposed.
从空间几何角度出发，利用空间向量的关系研究坐标转换，提出一种新的三维基准转换模型。
This method realizes the 2 dimension constrained adjustment of GPS control network based on quasi-stable datum using classical adjustment of free networks and coordinate transformation method.
该方法采用经典自由网平差和坐标转换法实现基于拟稳基准的GPS控制网2维约束平差。
Some key techniques, such as attitude correction, quality control of GPS height, transformation of vertical reference datum and extraction of tidal level, are studied in detail.
这些关键问题主要有姿态改正、GPS高程质量控制、垂直基准转换、基于信号的在航潮位提取。
This paper approaches the reference datum of GPS and electronic map from concepts model, and analyses the basic relations of coordinate transformation.
从概念模型的角度探讨了GPS和电子地图的参考基准问题。
This paper approaches the reference datum of GPS and electronic map from concepts model, and analyses the basic relations of coordinate transformation.
从概念模型的角度探讨了GPS和电子地图的参考基准问题。
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