In order to monitor land subsidence in Tianjin area,a GPS network was established in 1995 as a complementary means of the precise leveling.
为了监测天津地区的地面沉降,配合精密水准测量,1995年布设了一个GPS监测网,每年的10-11月进行一次精密GPS测量,并与同期进行的精密水准复测的垂直形变结果进行比较研究。
The relative altitude variations at these points were analyzed using ten years replicated observations in this paper,and they were compared with the results of precise leveling by the authors.
本文作者利用十年的重复观测结果分析了这些点的相对高程变化,并与精密水准测量结果进行了比较,讨论了它们的差异和一致性,最后估计了GPS方法测定地面垂直变化的精度。
On the basis of the research on the contrast between GPS and precise leveling from 1995 to 2004, the actual accuracy of the two methods is tested.
根据对1995~2004连续10年的GPS大地高与精密水准测量数据的对比研究,验证了两种方法的实际精度,结果表明GPS大地高变化完全可以像精密水准测量一样高精度地获取水准测量点的沉降值,可用于地面沉降监测。
The Applications of Machine Vision to Precision Measurement;
机器视觉在精密测量中的应用
Application of quartz crystal biosensor in precision measurement;
石英晶体生物传感器在精密测量中的应用
On-line precision measurement of the diameter of thin thread using CCD diffraction imaging;
CCD衍射成象在线精密测量细丝直径技术
In the process of development of measure instrument used to measure stiffness and mini lag angle of minitype torsion pole, the problem in precise measurement of mini lag angle of minitype torsion pole was successfully solved(the measure precision reached 0 1″).
在微型扭杆刚度及小滞后角测量仪的研制过程中 ,成功地解决了微型扭杆小滞后角的精密测量问题 ,测量精度达 0 。
The key concerned content: model and calibration of the digital imaging device, high preecise image processing algorithm, optical coding and precise optical probe are discussed in details, and the implement idea is also presented, these can provide design reference for industry on-field close range photogrammetry 3D precise measurement system.
研究了基于近景数字摄影原理的现场三维精密视觉测量方法,对其核心技术:数字成像器件模型及标定、高精度亚像素图像处理算法以及光学编码与精密测头技术进行了深入的讨论,给出了实现思路,为工业现场近景数字摄影精密测量系统的设计提供了理论依据。
At last the outlook for the precise measurement is summarized in this paper.
首先对在斯图加特举办的Control 2008博览会进行了回顾,总结了在展会中所展现出来的精密测量技术的新技术和新进展,最后对精密测量技术的发展进行了展望。
A system of precise measuring minute displacement of the distant aim by optical digital measurement is proposed.
采用远距离摄像与图像处理技术,提出了一种远目标精密测量小位移的光学数字测量方法,并应用亚像素相关算法等关键技术,编制相应的测量软件,提高了测量系统的精度。
With simple measuring auxiliary tools, the center of hole axle is located with standard diameter steel ball so as to solve the problem of precise measuring the center distance of one body hole axle.
通过简单的测量辅具 ,在万工显上动用标准直径钢球确定孔和轴的中心 ,解决了孔轴一体零件的孔轴中心距的精密测量问题 ,并在摩托车发动机组合式曲轴的试生产中取得了比较好的技术与经济效果 ,对类似零件的精密测量具有一定的借鉴作
Trajectory Planning of Geometric Parameter Precision Measuring for Thin-wall Revolving Body;
薄壁回转体几何参数精密测量的轨迹规划
Study on Precision Measuring Technology of Electrical Thickness for Complex Surface Radome;
复杂曲面天线罩电厚度精密测量技术研究
The Accurate Level Surveying to Pile Vertical Compressive Static Load Test
精密水准测量在单桩静载荷试验中的应用
Implementation of National First Order Leveling using High Accuracy Electronic Level
利用精密电子水准仪进行国家一等水准测量
A Method of Leveling Across River by Using Precision Electronic Total Station
一种利用精密全站仪实施跨江水准测量的方法
Application and Research of Precise Trigonometric Leveling in Second Leveling in Mountainou Area along Passenger Dedicated Line
精密三角高程测量在客运专线山区二等水准测量中的应用研究
Technology of Total Station Instrument Precise Trigonometric Leveling used for Second-Grade-Leveling Elevation Survey
全站仪精密三角高程法用于二等水准测量的技术
Application of Precise Triangle Height in Second Order Leveling of Dayaoshan Tunnel
精密三角高程在大瑶山隧道二等水准测量中的应用
accuracy(trueness and precision) of measurement methods and results-part 3:intermediate measures of the precision of a standard measurement method
测量方法和测量结果的精确性(精度和精密度)-第3部分;标准测量方法的精密度的间歇性测量
HYPSES (Hydrographic Precision Scanning Echo Sounder)
水文测量用精密扫描回波测深器
The High Precision Level Measures in Settlement Observation Application;
高精度水准测量在沉降观测中的应用
Study on Precise Hydrographic Surveys Based on GPS Technology;
基于GPS技术的精密水深测量方法研究
Hydrographic Surveying Based on GPS Precise Point Positioning
基于GPS精密单点定位技术的水深测量
It is suitable to be used as precise measuring standard and precise AC/DC resistance standard for factories, colleges, and research institutes.
适用于工厂、学校和科研单位作精密测量及精密交/直流电阻标准。
Application of the Fabry-Perot Etalon in Precision Measurement
法布里—泊罗标准具在精密测量中的应用
Precision Analysis of Total Station Trigonometric Leveling Replace Leveling
全站仪三角高程测量替代水准测量的精度分析
a nice bit of craft; a job requiring nice measurements with a micrometer; a nice shot.
工艺精湛的马嚼子；需要使用测微计精密测量的工作；准确的射击。
The discuss of the precision in the GPS height replacing the 4 and 5 grade leveling
GPS测高技术代替四、五等水准测量精度探讨
Application of Photoelectricity Sensor in Bar Code Staff Precision Test System
光电检测传感器在条码型水准尺精密检测系统中的应用
surveyor's level
(矿坑)测量水准器