本文采用广义延拓法进行卫星精密星历插值、卫星精密钟差插值和GPS高程转换。
The thesis uses the generalized extended interpolation method in precise satellite ephemeris and clock bias interpolation and GPS height fits.
在GPS高程转换中，为了减少对已知高程点的需求量，本文引用了地球重力场模型。
This paper deals with the application of earth gravity field model in GPS height transformation in order to decrease the demand in bench marks.
利用广义延拓法进行GPS高程转换后，各个分区之间不存在台阶性的突变，无需再进行处理；
When the GPS height is transformed by the generalized extended interpolation method, there is no step sudden change between each point of districts, so it does not need to deal with again;
本文采用二次曲面拟合、BP网络和RBF网络进行了GPS高程转换，并在网络结构改进等方面作了分析。
In this paper, the fifing method which stimulates the Geoid using quadric polynomial, BP network and RBF network are provided for the GPS height conversion.
本文结合实例分析了上述问题，从而得出了BP神经网络用于GPS高程转换时网络配置问题的一些相关结论。
The paper discusses above problems by practice, and draws some conclusions about the network configuration of BP neural network applied in GPS height conversion.
在高程转换系统中首先对输入的数据进行粗差探测，剔除可能存在粗差的观测数据，从而提高拟合结果的可靠性。
In the elevation conversion system, at first detected the gross errors of inputting data and then removed it, enhanced the reliability of the fitting results.
GPS高程转换中，大地高的精度将直接影响转换后正常高的精度，为此大地高的粗差探测是比较重要的一个环节。
The accuracy of Orthometric Height will be directly affected by ellipsoidal height precision during GPS height transformation, therefore, the detection of gross error is very important.
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。
A new way of the least squares estimation is made in the model of altitude transformation on the ground of the GPS altitude measurements.
它可以让您轻而易举把现有的IMS数据转换成xml，以促进与业务过程的集成，提高程序员的工作效率，减少开发先导时间。
It lets you easily convert existing IMS data to XML, to facilitate integration with business processes, improve programmer productivity, and reduce development lead times.
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。
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.
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。
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.
简要介绍了转换GPS高程的二次曲面拟合法，以及神经网络BP算法的基本结构和数学公式。
The conicoid fitting method used for transforming GPS elevation, and the basic structure and mathematic formulas of BP algorithm of neural networks are introduced briefly in this paper.
由此可见，RBF神经网络方法用于转换GPS高程是可行和有效的。
So the conversion of GPS height based on RBF neural network algorithm is feasible and effective.
RG线作为时深转换基准面的前提是RG线等效于地表高程的平滑线。
The precondition of RG line being as datum of time-depth conversion is that the RG line is equivalent to the smooth line of surface elevation.
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。
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.
RTK高程测量的主要方法是坐标转换和高程拟合。
Coordinate transformation and height interpolation are the main methods for GPS-RTK height surveying.
从美国大联盟到英超联赛的权益转换将会继续连结在高程度的状况，这不仅包罗球迷还有新入主安菲尔德球场的美国老板。
There continues to be a high level of interest from the US in the Premier League both in terms of fans and also the influx of US owners.
用实际观测数据对该模型进行了试验，结果表明，用径向基神经网络转换GPS高程精度高于二次拟合法和BP神经网络法。
The model was tested with observed data. The results showed that RBF Neural Network conversion accuracy than Quadratic fitting and BP Neural Network.
用实际观测数据对该模型进行了试验，结果表明，用径向基神经网络转换GPS高程精度高于二次拟合法和BP神经网络法。
The model was tested with observed data. The results showed that RBF Neural Network conversion accuracy than Quadratic fitting and BP Neural Network.
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