floor type pump

The simple formula to compute geodetic coordinate from rectangular space coordinate;

由空间直角坐标计算大地坐标的简便公式

Deducing from geodetic coordinate differential formula;

椭球参数对大地坐标转换的影响——大地坐标微分公式再推导

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

By analyzing shortcomings of the simplified model of Gauss-Kruger projection of the conversion from geographic coordinates to rectangular coordinates,a new reversible algorithm which is based on global model and is compensated by correct function using curve fitting is provided.

分析了由地理坐标向地面直角坐标转换的高斯-克吕格投影简化模型的不足之处,提出了一种新的基于圆球模型的可逆的相互转换算法,且由采用最小二乘法实现的曲线拟合修正函数对圆球模型误差进行补偿。

By analyzing the theory of geographic coordinates and rectangular coordinates interconversion, algorithmic researches and completion of coordinate conversion programming has been discussed.

通过对地理坐标与地面直角坐标相互转换原理的分析 ,论述了坐标转换和算法研究及实现方法。

To construct a digital map based on geographic coordinates is a better method to bring digital maps in different coordinate systems or projection zones into one system or joint them.

将不同坐标系或投影带地图纳入同一个系统或拼接的较好方法是构建基于地理坐标的数字地图,在基于地理坐标的数字地图的量算中,由于参考椭球面与地球自然表面之间有一定的距离,导致椭球面上的计算值与地球自然表面的实测值有一定的差异。

This paper proposes a new automatic SAR images coarse registration method based on the geographical coordinates(latitude and longitude) parameter.

提出了一种新的基于地理坐标参数的SAR(Synthetic Aperture Radar)图像自动概略配准方法。

The formula for area of triangle on ellipsoid by means of geodesic coordinate is derived in this paper.

推导出用三顶点的测地坐标计算地球椭球面上三角形面积的公式。

This digital terrain model (DTM) based on the ellipsoidal surface is essentially different from DTM based on projected plane because the Delaunay triangulation net is built based on geodesic coordinate system on regional ellipsoidal surface.

作为其中之一,首先来定义椭球面三角形的外接大地圆,然后推导出在测地坐标系中确定外接大地圆圆心的公式和算法。

Another type of geodesic coordinate system with length quantity as coordinate parameter is present for the first time in our last paper .

从数学上论证以长度量为坐标参数的测地坐标系与大地坐标系能够成为表述 3维欧氏空间中点位的正则坐标系的条件及限定区域 ,然后着重阐述了测地坐标系与大地坐标系相互转换的基本原理和方法 ,并用算例验证了其正确性 ,从而为进一步实现测地坐标系应用于DEM和 3DGIS建模提供了可能 ,这就为最终解决在统一的真 3维坐标系统中建立DEM和 3DGIS奠定了基

A Discussion on Methods for Transforming Point Position Coordinate from Previous Geodetic Coordinate System to next Generation CGCS 2000

2000国家大地坐标系下点位坐标转换方法浅析

A New Algorithm for Transforming from Cartesian to Geodetic Coordinates

空间直角坐标向大地坐标转换的新算法

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

Conversion between GPS data and earth coordinate system in China;

GPS定位数据与我国大地坐标系的换算

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

Reference Systems Selection in Current Land Utilization Map Updating and Database Construction;

土地利用现状图更新与建库中大地坐标系选择

Iterative Arithmetic of Legendre Series Coordination Inverse Solution on Terrestrial Ellipsoid

勒让德级数计算大地坐标主题反解的迭代算法

Adjustment of Triangulation Technique in China Geodetic Coordinate System 2000

2000国家大地坐标系下三角网平差技术研究

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

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

Establishment of National Three Dimensional Geocentric Geodetic Coordinate Systems in Korea and Malaysia

韩国和马来西亚建立本国三维地心大地坐标系统的进展

The Theory of Digital Elevation Model in the New Geodetic Coordinate System on the Ellipsoidal Surface;

基于椭球面上新型大地坐标系的数字高程模型的建立

Construction and Maintenance of Jiangsu Modern Geodetic Datum Based on JSCORS

基于JSCORS的江苏省现代大地坐标框架的建设与维护

Parameters of the CGCS 2000 Ellipsoid and Comparisons with GRS 80 and WGS 84

2000国家大地坐标系椭球参数与GRS 80和WGS 84的比较

A Discussion of Selection of Survey Coordinate Systems in Daqing District

对大庆地区测量坐标系统选择的探讨

Transformation of Astro-geodetic Network Coordinate System into China Geodetic Datum 2000

天文大地网坐标系统到2000国家大地基准的转换

Present-day Crustal Deformation in China and GPS-derived Coordinate Time Series Analysis;

中国大陆现今地壳形变与GPS坐标时间序列分析

ECEF - Earth Centered Earth Fixed

地固地心直角坐标系