Geodetic theodolites generally have circles of about140mm diameter. 大地经纬仪的度盘直径一般为140毫米。
The best known is World Geodetic System [ WGS84] geographic, or latitude and longitude ( corresponding to the y and x axes, respectively). 最著名的是WorldGeodeticSystem[WGS84]地理,或维度和经度(分别对应y和x轴)。
Usually, the database itself contains no information about its geodetic datum, so you must find this out from the application that created the coordinates. 数据库本身往往不包含关于大地基准点的信息,所以您必须从创建坐标的应用程序中查明大地基准点。
Both geographic and projected coordinate systems include a definition of the assumed shape of the earth ( a flattened sphere); this is called the geodetic datum. 地理和投影坐标系都包含对地球形状的假设(一个略扁的球体);这称为大地基准点。
But as was mentioned before, you should pick a different clustering criteria for geodetic data in any case. 但是,如前所述,在任何情况下,应该为大地数据选用一个不同的聚集标准。
The army has a geodetic survey map of wyoming. 军队有怀俄明州的地理勘测地图。
Two ways of calculating true azimuth by geodetic coordinates 利用大地坐标计算真方位角的两种方法
The Geodetic Number of Cartesian Product on Cycles and Complete Graphs 关于圈与完全图的笛卡儿积的测地数
This helps corroborate GPS satellite status and gives geodetic scientists a new way to gauge tectonic plate movement. 这有助于证实全球定位系统的卫星位置,为地学家测量地球大陆板块漂移,提供了一种新手段。
This study demonstrates that combing GIS with geodetic surveying data to analyzed crust deformation and characteristics of fault movement seems show good feasibility. 由本研究成果得知应用地理资讯系统结合大地测量资料,分析地壳变形型态及断层活动特性,似乎具有良好之可行性。
We study a new numerical solution method for the geodetic mixed boundary value problems, which is natural boundary element method. 利用弹性薄板的广义变分原理和双调和方程的特解序列,提出了一种求解圆板混合边值问题的数值方法。
Geodetic leveling should be done with staves in which the divisions are marked on a strip of invar. 大地水准测量必须使用刻度标于不胀钢片上的水准标尺。
It gives a whole view of the development and status of geocentric coordinate system, ellipse-centered coordinate system and world geodetic system in China. 综述了测绘工作中常用的几类大地坐标系的建立方法,全面介绍了我国参心坐标系、地心坐标系和世界地心坐标系的发展及其现状。
Research on result information management system of geodetic survey and its realization 大地测量成果信息管理系统的研究与实现
The analysis of conversion from geocentric to geodetic coordinates with Newton iteration to solve non-linear equations 地心坐标反解大地坐标的非线性方程组牛顿迭代法分析
Effects and Separation of Systematic Orientation and Scale Errors of Terrestrial Geodetic Network in Combined Adjustment 联合平差中大地网定向和尺度系统误差的影响和分离
The solution of arc length of sectional ellipse for geodetic problem, which is based on the direct algorithm of meridian arc length is introduced in this paper. 介绍了利用子午线弧长的直接算法来解算大地问题中截面椭圆弧长的一种直接解法。
The student who is preparing to become a civil engineer may deal with such subjects as geodetic surveying, etc. 一个想成为土木工程师的学生,或许需要学习大地测量等课程。
Road curve geodetic coordinate calculation based on branch traverse survey 基于支导线测量的道路曲线大地坐标计算
This paper discusses how to scientifically employ a geocentric 3D coordinate system in China and analyzes three main scientific problems involved in this regards, i.e. the definition of the system, the geodetic fundamental constants and tidal correction. 摘要讨论了我国科学地采用地心三维大地坐标系,主要涉及到的该坐标系的定义、采用的大地测量基本常数以及与此有关的潮汐改正等三个问题。
Beyond-Visual-Range Air Target Tracking Based on Geodetic Coordinates 基于大地坐标的对空超视距目标跟踪研究
The un-uniqueness of estimated parameter is one of the problems in geodetic and geophysical inversion. 解的非惟一性是大地测量地球物理反演的一个难题。
Ill-conditioned problems are widely existed in geodetic surveying. 在大地测量中,病态问题是广泛存在的。
Progress of Geodetic Data Processing for 60 Years in China Part 1: Progress of Functional and Stochastic Model 中国大地测量数据处理60年重要进展第一部分:函数模型和随机模型进展
The first is the geodetic effect, which is the warping of space and time or spacetime around a gravitational body, such as a planet. 第一个是“测地线效应”,这是一种在有引力的天体,比如行星周围,产生的空间和时间的扭曲或者说时空扭曲现象。
Research on focusing running error of telescope of geodetic instrument 大地测量仪器望远镜调焦运行误差研究
Accuracy Determination and Analysis of Geocentric Coordinates Determined by Space Geodetic Technologies 空间技术实现地心坐标的精度检测与分析
At present, there is certain localization in some formulae of transformation from geocentric coordinates to geodetic coordinates, such as rate of calculation, stability, or precision. 目前的一些地心坐标向大地坐标的转换模型在计算速度,稳定性或精度方面存在一定的局限性。
Data processing of the D-class GPS3D-space geodetic control network is explained. 阐述了D级GPS三维空间大地控制网的测量数据处理过程。
Study on modern crustal motion in Urumqi and adjacent area with geodetic data 用大地测量数据研究乌鲁木齐及邻近地区现代地壳运动