【摘要】 对GPS测量实践中普遍存在的高程转换问题进行了分析,提出了GPS高程向我国实用高程系统转换的最小二乘预估法。论证了最小二乘预估法的数学模型,将其方法在计算拟合高程异常中的应用得以实现,并结合实测数据与平面拟合法进行了分析比较。计算结果表明,采用的高程转换模型,具有一定的科学性和实用性。更多还原

【Abstract】 A new way of the least squares estimation is made in the model of altitude transformation on the ground of the GPS altitude measurements.The formula for the model of least squares estimation is deduced.The method is applied in the model of altitude transformation and is compared with the model of plane matching.The experiment result indicates that the model of least squares estimation is more practicability and scientific than the model of plane matching.更多还原