precision of survey

The basic principle and operation programs of GPS-RTK integrated with digital echo sounder are introduced briefly, and its application to the bottom topographic survey without tidal observation is described to prove its precision and efficiency.

简要介绍了GPS RTK与数字测深集成技术的测量原理，探讨了测量作业方法与影响测量精度的因素，并结合工程实例对测量精度与效率进行了验证。

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DEV 43 XA continuous deviation tool is a kind of high precision continuous deviation survey system.

DEV43XA井斜测井仪是一种数字化的高精度连续测斜系统.

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Application and Its Precision Check of RTK in Urban Densified Control Survey

实时动态差分GPS在城市加密控制测量中的应用及其精度检验

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Through according with checkout of low-class general survey manner, prophase GPS control survey precision is understood when GPS applying into high-class plane control.

GPS应用于高级平面控制测量时，通过低等级常规测量方式的符合检验对前期的GPS控制测量精度可能有所了解。

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The key of upgrading thermometric instrument precision for platinum resistance is how to eliminate the influence owing to thermal resistance connecting wire resistance as ambient temperature change, zero shift of amplifier, the change of enlargement factor to the temperature survey.

提高配铂电阻测温仪表精度的关键是如何消除热电阻连接导线电阻随环境温度变化、放大器的零点漂移、放大倍数的变化对温度测量带来的影响。

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This article has introduced the application of through survey as well as its error estimate and precision analysis.

结合测量实例，介绍贯通测量在矿山的应用与误差预计。

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The 3D models of buildings have a wide range of application, such as city planning, building survey, communication construction, virtual travelling, heritage protection, disaster monitoring and reconnaissance, precision strikes in military.

建筑物3D模型在城市规划、房产测量、通信设施建设、虚拟旅游、文化遗产保护、灾害监测以及军事侦察和武器精确打击等方面具有非常广泛的应用。

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Compared with the traditional methods of geodetic survey, such as Leveling, bedrock bench mark, GPS, etc., InSAR interferometric techniques can obtain high spatial resolution surface deformation details in the large-scale, which precision can reach to the centimeter level.

相对于水准测量、分层标、GPS等传统大地监测方法，InSAR干涉测量技术可以大范围获取高时、空分辨率的地表形变细节信息，精度可达到厘米级。

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This paper deals with the application of optimum design theory in studying of optimized network structure for high precision GPS base line network, and the determination of the reliable known survey control points.

应用优化设计理论，着重研究解决高精度GPS基线网的最佳网形结构设计以及如何确定稳定可靠的已知点等问题。

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The techniques of measurement and data-processing theory was discussed in detail on the basis of precision traverse control network measurement of the long tunnel holing-through survey.

在某特长隧道贯通测量导线网测量工作的基础上，对长隧贯通测量的技术要点以及数据处理理论进行了详细论述。

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