三角高程测量高差值应进行球差改正。
Elevation difference by trigonometric leveling shall be corrected by spherical aberration.
对提高山区三角高程测量的精度有一定的实用价值。
It has a definite value for raising the accuracy of triangulation in mountain area.
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.
简要介绍了天文水准在阵地导线网高程测量中的作用。
The function of astronomical leveling in height survey of position traverse control network is introduced.
采用对向测距三角高程联合二等水准进行标志的高程测量。
Subtending distance measurement trigonometric leveling uniting second-class leveling is adopted to measure height.
大气垂直折光是影响EDM三角高程测量精度的制约因素之一。
Atmospheric vertical refraction is the main factor which affects the precision of EDM trigonometric levelling.
一个用于CF卡解决方案的好处是,你将不必担心写高程测量问题。
One advantage for a CF solution would be that you would not have to worry about the write leveling issue.
按本发明的方法,为手机增加了实时气压、高程测量、显示、告警的功能。
According to the method of the invention, the functions of measuring atmospheric pressure, measuring height, displaying and alarming are added to the mobile phone.
传统的测量方法为水准测量和三角高程测量,它们都存在着不同的优缺点。
The traditional methods are geometrical leveling and trigonometric leveling. They have different advantage and disadvantage.
高程异常模型的建立是否合适,对GPS水准高程测量的精度产生重要影响。
Whether elevation abnormality models are built properly has great effects on the precision of GPS level elevation survey.
在光电测距三角高程测量中,大气折光对观测量的影响是一个非常棘手的问题。
The effect of atmospheric refraction error on observed value is a very thorny problem in EDM trigonometric leveling.
简述了全站仪不测量仪器高和棱镜高在三角高程测量中的工作原理以及实际应用状况。
The working principle and practical application of total-station meter in triangle height survey(without measuring height of meter and its prism)are introduced.
三大同步中,相位同步误差直接影响SAR复影像的相位误差,从而影响系统的高程测量精度。
The error of phase synchronization among the three synchronizations will affect the phase error of SAR SLC image directly, and influence the elevation measurement precision sequentially.
分析了单向光电三角高程测量的误差来源,在此基础上推导了最佳测站位置离测点的平距公式。
Based on the error resource analysis in one-way photoelectric triangulated heigh survey, the horizontal distance equation is drawn for optimal station away from survey point.
分析结果表明,利用三天线构成的双基线机载干涉SAR是改进相位展开过程、提高高程测量精度的有效方法。
The results show that dual-baseline airborne interferometric SAR using three antennas is an efficient scheme to improve phase unwrapping processing and improve height measurement accuracy.
二是在整个干涉数据的录取时间里,主动和被动两个雷达载波相位同步误差不能超过高程测量的精度要求所允许的误差。
Secondly, the phase synchronization error can not overrun a limit which is requested by elevation accuracy demand during the whole interferometric data acquirement time.
当前,GPS平面控制网已经得到了广泛的运用,但是GPS高程却运用得不够,人们期望着能够用GPS高程测量代替传统的水准测量。
At present, GPS plane control net is widely applied, but the GPS elevation is not used widely. The people expect that the GPS elevation surveying can take the place of the conventional leveling.
为了测量两极之间的高程差,测量员在两极中间的一个水平基座上使用了光学水准望远镜。
To measure the difference in elevation between poles, surveyors used an optical level—a telescope on a level base—placed halfway between the poles.
相位解缠是SAR干涉测量数据处理中的一个关键步骤之一,解缠结果的好坏直接影响最终数字高程模型的精度。
Phase unwrapping is one of the key steps for the processing of InSAR data. The quality of the unwrapping results affects the final DEM directly.
一个经公认的已知值,如基点或海平面的高程,其它点的测量值根据该点的值进行校正。
An agreed and known value, such as the elevation of a benchmark or sea level, to which other measurements are corrected.
导线测量是一项精密而细致的工作,直接影响到路线的定线和高程系统的控制。
The orientation measurement is a precise and detailed job, and it affects directly the route alignment and the control of elevation system.
海面倾斜与高程基准密切相关,它已经受到大地测量学界和海洋学界的重视。
There is a close correlation between sea level slope and height datum, in which geodesylists and oceanographers are interested.
在高层及超高层建筑工程中,测量基准传递和轴线、垂直度、高程控制是建筑物施工质量控制的重点内容之一。
The transforming of survey datum and the control of axis, vertical level, elevation are of great importance on controlling quality of high-rise building construction.
沿岸工程施工经常遇到水下构筑物高程精确测量和控制的问题。
Elevation survey and control of underwater structure is common task in near shore engineering.
通过物理模型试验,测量不同底高程条件下防浪墙顶部的越浪量、迎浪面及底面上的波浪压强和防浪墙的整体稳定性。
Through physical model test, overtopping wave, wave pressure at waveward side and bottom, as well as the overall stability of wave screen are measured.
一般说来,水准测量测出的大地水准面高程的精度,远远超过任何其它方法的精度。
In general the accuracy of geoidal heights, as given by spirit levelling, much exceeds that of any other system.
在陆地重力测量基本原理及其布点设计原则的基础上,建立了结合高程信息自动化布点的数学模型。
The mathematic model of automatic arranging points using height data is established based on principles of land gravity surveying and design strategy of arranging points.
传统的作业方法是通过测量地球表面固定点的重力值、水平坐标和高程得到重力异常来求解混合边值问题。
We had used height anomaly to solve the mixed boundary value problem by measuring the value of gravity of standpoint, level coordinate and height.
传统的作业方法是通过测量地球表面固定点的重力值、水平坐标和高程得到重力异常来求解混合边值问题。
We had used height anomaly to solve the mixed boundary value problem by measuring the value of gravity of standpoint, level coordinate and height.
应用推荐