Based on these formulas, mathematical models are proposed for solving the normal height in GPS network concerning terrain undulation.
在此基础上建立了顾及地形影响的GPS正常高求解的数学模型。
It is more difficult to confirm the transformation relationship between geodetic height and normal height. This is main reason of restricting application of GPS height into use.
指出GPS大地高与正常高之间的转换关系较难确定是限制GPS高程应用的主要原因。
Recently utilizing GPS/gravity to determine the normal height were adopted by some geodetics.
近年来人们往往利用GPS/重力来确定正常高。
In this paper, a method for converting GPS height to normal one by means of support vector machine is proposed, and compared with the methods of neural network, polynomial fitting etc.
结合GPS测量和水准测量资料，利用支持向量机方法对GPS高程进行了转换，并与神经网络和多项式拟合等拟合的结果进行了比较，得出了一些有益的结论。
Through verification of living examples, the accuracy of GPS height fitting is mainly dependent on the accuracy of GPS geodetic height, accuracy of coincident point normal height, coincident p…
一般在重合点数量充足且分布均匀的情况下，GPS高程拟合的精度可达到四等水准网的精度要求。
Through verification of living examples, the accuracy of GPS height fitting is mainly dependent on the accuracy of GPS geodetic height, accuracy of coincident point normal height, coincident p…
一般在重合点数量充足且分布均匀的情况下，GPS高程拟合的精度可达到四等水准网的精度要求。
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