Three dimensional nonlinear datumtransformation 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。
2
Through studying the relationship between space vectors of different coordinate systems, a new model of three-dimensional datumtransformation 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。
3
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.