水准测量

基于GPS与水准测量研究某水库表面变形特征

The surface deformation characteristics of a reservoir based on GPS and leveling

日月引力对水准测量成果的影响

The influence of attraction resulted from the sun and the moon to leveling

并重点研究了低丘山区应用GPS进行水准测量的可能性。

And research the necessary of GPS in low hill area .

开采沉陷GPS水准测量的精度及可靠性研究

GPS Leveling Measurement of Mining-induced Ground Subsidence-Accuracy and Reliability Study

三角高程、GPS在跨河水准测量的应用

The Application of Trigonometric Leveling and GPS in River-crossing Leveling

GPS和水准测量相结合在电力工程测量中的应用

Application of Combining GPS with Leveling Survey in Electric Power Engineering Survey

GPS测高与普通水准测量的应用比较

Comparison of GPS and traditional level measuring method

GPS水准测量及对试验网的处理

GPS Levelling and Processing of An Experimental Network

GPS测高技术代替四、五等水准测量精度探讨

The discuss of the precision in the GPS height replacing the 4 and 5 grade leveling

GPS水准测量应用探讨

The Application of GPS Leveling

VB语言在编写水准测量程序中的应用

The Application of Visual Basic 6.0 in the Leveling Surveying

利用GPS和水准测量资料反演2001年昆仑山口西8.1级地震的同震滑动分布

Co-seismic slip distribution of the 2001 west of Kunlun Mountain Pass earthquake inverted by GPS and leveling data

在宁波市进行了两期GPS测量和水准测量，观测中并采取一定的措施以获得高精度的高程分量。

Some technical measures were taken during GPS observation in order to ensure to obtain the high precise height component .

基于ExcelVBA的等级水准测量记录软件设计

Design of Grade Leveling Recording Software Based on Excel VBA

用EDM三角高程代替跨河水准测量

Substitute of the leveling measurement of crossing rivers with EDM triangle elevation

介绍了在广东湛江海湾大桥施工控制网测量中GPS技术、宽水域跨河水准测量技术的应用情况。

This paper mainly discusses the application of GPS technology , leveling over wide-area of waters in the building of the construction control net .

1995年为了监测天津市的地面变形，配合地面沉降的精密水准测量，在天津市布设了一个GPS监测网。

In order to monitoring land subsidence in Tianjin , a GPS network was established in 1995 as a complementary means of the precise leveling .

本文采用GPS技术及常规的方向、距离和精密水准测量对三个站进行了空间归心测量。

To determine the relative positions of them , the GPS technique , traditional direction and range survey , and precise leveling are adopted in this paper .

在综合利用GPS与水准测量资料的基础上，针对面积较大或地形变化比较复杂的GPS测区，提出了分区拟合转换成正常高的方法。

On the basis of the combination of GPS and leveling information , a new method for subregional fitting and transforming GPS height into normal height is proposed .

在精密水准测量中PC-1500机的应用

The application of microcomputer PC-1500 in the accurate leveling survey

Helmert方差分量估计在跨江水准测量中的应用

The Application of Helmert Variance Component Estimation in the River-crossing Leveling

研究了用GPS观测取代常规水准测量方法监测城市地面沉降变化的可行性。

In order to study the feasibility of monitoring the change of urban land subsidence by GPS surveying instead of leveling , two periods of GPS observation and leveling were completed respectively in Ningbo city .

水准测量与GPS观测反应的垂直位移的量级基本一致，沉降的最大幅度在3～4cm左右。

The magnitudes of vertical displacement surveyed by leveling and GPS are consistent with each other and the maximum value is about 3-4 cm .

水准测量反映从1998年首期观测至2003年10月首次蓄水后的库区垂直位移，沉降范围较大；GPS给出了2003年蓄水前后库区的垂直位移，形变的范围主要集中在水库近岸区域。

In addition , leveling data shows that there was a large vertical displacement from 1998 to the first reservoir impounding in 2003.And GPS data shows that the vertical deformation is mainly located in shore of the reservoir before and after impoundment .

根据试验结果，如果限制每站的距离在500m的范围以内，所得高差可望达到二等水准测量的精度。

According to the experimental methods and results , if the sight distance is within 500m , the precision of the second order levelling can be reached .

地壳应变场研究是地球动力学研究的一个基础性领域，以往文献的探索大多集中在地壳形变的测量和研究上，包括大面积水准测量和GPS观测等。

Study on crustal strain field is a basic field in geodynamic researches . The researches in the field are mainly centralized in the survey and studies of the crustal deformation , including the leveling survey and GPS survey in a large area , etc.

结合滨州市C级GPS控制网的建立和三等跨河水准测量的实际情况，将GPS所测大地高差与三等水准测量高差进行比较和分析，得出一些结论。

Combining with the actual situation of the establishment of C class GPS control network and third order river-crossing leveling , the geodetic height differences of GPS survey are compared and analyzed with height differences of third order river-crossing leveling , some of conclusions are gotten .

根据水准测量实际问题，抽象出水准测量应用软件的需求与功能，在此基础上，利用基于WINDOWSCE应用软件开发工具&EmbeddedVisualBasic，设计和开发了水准测量应用软件。

According to the actual problems in leveling survey , the need and functions of leveling survey software are abstracted , and the mathematical model in adjustment of leveling network is constructed . Then leveling survey software is designed and developed by embedded Visual Basic based on Windows CE .

提出在地面沉降监测中可用站坐标系下的U分量变化代替水准测量高差的变化。分析了这一方法的可能误差和大小。

It is proposed in this paper that the variation of height difference in the leveling can be substituted with the variation of U component in station coordinate system in and subsidence monitoring and the possible factors and magnitudes of the error are analyzed .

根据GPS接收机天线相位中心的几何关系，在超短基线相对定位法的基础上，利用旋转天线，结合精密水准测量，给出了一种天线相位中心偏差三维检验的方法。

On the basis of the relative positioning method and the revolving method , by using the precise leveling , a new method is put forward for examining the antenna phase center three-dimensional bias of GPS receiver with the geometric relation of the antenna phase centers and the mini baseline .