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- 2016
坐标参数化的平面基准转换方法
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Abstract:
工程测量中经常需要实现不同坐标系下成果的相互转换，而高精度的转换参数是完成这一工作的基础。获取基准转换参数的实质就是利用公共点在两套坐标系下的坐标，根据相似变换原理建立误差方程求解。传统的最小二乘（LS）相似变换法只考虑了公共点在一套坐标系下的误差，与实际情况不符。基于此，探讨了坐标参数化的平面基准转换方法，解决了考虑公共点在两套坐标系下坐标都含有误差时高斯-马尔科夫（Gauss-Markov，G-M）模型不成立的问题，以相似变换原理为基础，采取通用的最小二乘方法解算基准转换参数
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