摘要全球地位系统(GPS)是一项随时代科学技术的发展而迅猛兴起和完善的技 术,因为具备测量结果准确度高、测量受天气环境影响较小及完全脱离人工手动 测量的特点,其已经被广泛运用在对精度要求比较严格的测量控制网上。73967
论文先介绍了与高程测量相关的知识,并详细阐述了大地高、正常高及正高 的定义及它们之间的关系,由此引出高程异常值概念及 GPS 高程拟合的产生的原 因、基本思想和实际意义。针对这个问题,对 GPS 高程拟合的几种比较基本方法 进行表述。主要分为曲线拟合法和曲面拟合法。在曲面拟合法中,根据测量拟合 范围内公共点的个数,又将其分为平面拟合、四参数拟合和六参数拟合,并简单 介绍了其他几种拟合方法。
毕业论文关键词:GPS,大地高,正常高,曲面拟合
Abstract Global position system (GPS) is a with the era of science and technology development and the rapid rise and the improvement of technology, because with the measurement accuracy, measurements are affected by the weather and environment and smaller and completely out of touch with the characteristics of manual measurement。 It has been widely used in the accuracy requirements more stringent measurement and control network。
Firstly, the paper introduces and elevation measurement related knowledge, and elaborated the relationship between geodetic height and normal height and high definition and their, which leads to the elevation abnormal value concept, and the GPS height fitting, basic idea and practical significance。 To solve this problem, several basic methods of GPS height fitting are described。 Mainly pided into curve fitting method and surface fitting method。 In surface fitting method, according to the number of common points in the range of measurement, it can be pided into the plane fitting, the four parameter fitting and the six parameter fitting。Several other fitting methods are introduced。
Key words: GPS,geodetic height, normal height, curved surface fitting
目 录
摘要 I
Abstract II
1 绪 论 1
1。1 概述 1
2 GPS 高程拟合原理 2
2。1 高程系统及其之间的关系 2
2。2 高程拟合的基本思想 2
3 GPS 高程拟合方法 4
3。1 绘等值线法(展绘高程异常图插值求解) 4
3。2 曲线拟合法(解析内插法) 4
3。2。1 多项式曲线拟合法 5
3。2。2 三次样条曲线拟合法 6
3。3 曲面拟合法 7
3。3。1 平面拟合 7
3。3。2 相关平面拟合(利用四个参数进行曲面拟合) 8
3。3。3 移动曲面拟合法(采用六个参数进行曲面拟合) 9
3。3。4 曲面拟合的其他方法 9
4 GPS 高程拟合程序设计思想和运用 GPS高程拟合与程序设计运用+VB源程序:http://www.youerw.com/jisuanji/lunwen_84412.html