野外测量

研究目的是为建立数字化地下管线信息库提供野外测量数字成图一体化工作模式的软件平台，满足数字城市建设的需要。

Research objective is to provide software platform of integrative field surveying and mapping in order to establish information database of digital underground pipeline , and it meets the demand of digital city .

掌上电脑（PDA）是野外测量成图一体化最适宜的硬件平台之一。

Personal digital assistant ( PDA ) is one of the most fitting hardware platforms on integrative field surveying and mapping .

对野外测量数据和现有CAD数据进行处理，达到了系统数据库设计的要求。

The field measurement data and the existing CAD data , to achieve the requirements of the system database design .

在可见光波段上，采取三种角度采样间隔，对草地及类草地的人工目标主平面的BRDF特性进行了野外测量实验。

In visible spectral band , we measured the BRDF of grass and man-made object similar to grass with three angular sampling intervals in principal plane .

一些野外测量成果自动记录在R48数据记录器上，然后传输到室内微机系统中进行自动数据处理和绘图。

Some field measurements were recorded on the R48 data collector . These data were subsequently transferred to the HASP computer system for processing and plotting .

在野外测量实时测量中，RTK的精度可以达到厘米级，且具有实时性好，速度快等优点。

The precision of the RTK-GPS with the advantages of good real-time quality and high-speed could amount to centimeter level in the real-time survey of the field , In aspects of road survey and lay-out , RTK survey had more obvious advantages than the normal survey .

地物目标热红外光谱发射率的野外测量方法研究

Field Measurement Methods for Thermal Infrared Spectral Emissivity of Terrestrial Surface Materials

野外测量记录中计算方法初探

Approach on calculating method of field - survey record

泥石流冲击力的野外测量

Field measurement of impact force of debris flow

野外测量完成后，可对计算机进行数据回放。

The data playback can be done by computer after the measurement in the field .

大比例尺机助制图野外测量数据的处理

Field data processing in computer-aided large-scale cartography

通过大量的实验和野外测量，对城市环境天然放射性评价方法进行了研究。

The methods of urban environment 's natural radioactivity were investigated through abundances of experiments and field measurements .

垄行作物玉米方向亮温野外测量中视场角影响的简单分析

Analyzing the Errors Caused by FOV Effect on the Ground Observations of Directional Brightness Temperature over a Row Structured Canopy

野外测量试验结果表明，目标发现概率的测量原理正确，测量方法可行。

Results obtained in field measurement tests indicate that the model is correct and the method of measurement is feasible .

因而，太阳辐射计是大气物理、大气光学、环境保护等基础研究领域常用的一种野外测量仪器。

So , Sunphotometer is a common measuring instrument in the fields of foundation research , such as atmosphere physics , atmosphere optics , environmental protection etc.

引起双频激电仪野外测量出现负值的原因主要有两类：一类是由于电磁耦合效应；另一类是由于地下地质体的影响。

There are two reasons for negatives in measuring double-frequency induced polarization , one is electromagnetic coupling effect , the other is geo-boby existing in an impersonal way .

野外测量的大气环境、目标背景和地物的热力学特性等因素的影响，使得野外测量地物目标表面光谱发射率变得较为复杂。

Field atmospheric conditions , the environmental background of target and the target 's thermodynamic properties will make it difficult to collect target 's spectral emissivity in field .

对新出厂仪器进行常数检测，验证了改进措施的可行性。将Y/JTG-1陀螺全站仪应用于野外测量。

And the feasibility of improving measures is proved through the instrument constant testing experiments of the new gyro station.Y/JTG-1 Gyro Station will be used in field survey .

由于传统光谱仪体积大、重量重而且系统复杂，不能同时对多个波长进行检测，特别在野外测量受到了极大的限制。

Because the traditional spectrometer big volume , weight heavy and complicated , cannot simultaneously on the system more than testing , especially in the wave field measurement received great restrictions .

野外测量实验结果表明，按照文中所述的测量方法，测量得到的地物热红外光谱发射率具有良好的一致性，发射率测量误差小于0.02。

Experimental results show that a consistent and repeatable target 's emissivity spectra can be acquired to follow the presented measurement methods and protocols . Measurement error of emissivity is below 0.02 .

通过大量的实验，对野外测量时影响测量精度的许多因素进行了大量的分析，并进行了改进。

According to large number of field experiments , we have found many factors which affect the measurement system accuracy , and a lot of works have been done to improve it .

从野外测量、资料处理到成果解释循序渐进地探索了磁法考古的工作方法、技术特点、异常规律和推断解释方法等。

From survey through data processing to interpretation of achievements , it probes step by step into the working method , technological features , anomaly regularity and means for inference and interpretation of magnetic archaeology .

鉴于此，为了满足目前国内流速测量，适合国情，提高测试精度，加快测试速度，适应野外测量的要求进行便携式智能流速仪的研制。

To solve this problem , by increasing the accuracy and the sample-speed , adapting to the domestic situation and fitting for the measurement in the field , the intelligent portable current meter is needed .

重点讨论了利用傅里叶变换红外光谱仪野外测量地物目标光谱发射率的方法和程序，介绍了几种正确分离目标温度与发射率的方法。

The collection of thermal infrared emissivity spectra using a Fourier transform infrared spectroradiometer ( FTIR ) is discussed and several algorithms for separating temperature and emissivity from collected target 's radiance spectra data is presented .

虽然频率域激发极化法也有应用，但主要采用双频或多频测量，利用视频散率参数进行解释，野外测量工作量较大，测量精度相对较低。

Although the frequency domain IP is applied too , it has much working capacity and the lower survey accuracy because double or more frequencies is adopted and the interpretation is processed through the apparent dispersion rate parameter .

水库及其大坝安全监测，要求数据采集系统具有抗雷电、自备电源和野外测量等特殊环境的适应性。

So far as the safety monitoring system for reservoir and dam is concerned , the data collection system with thunder proof protection and self-power supply is required to adapt to the field survey within the special environment of reservoir .

避免了电导率对测量结果的影响，具有0～100%的测量范围，电路集成度高，低功耗，携带方便，能够实现测量数据的网络化，适合原油含水率的野外测量。

It can overcome the effect of electrical conductivity , measure from 0 to 100 % , reflect integration , low power , portable , achieve measured data network and be suitable for the measurement of oil-water content in field .

生产数字地图一般途径为：（1）以原有的基础图件进行数字化；（2）利用全站仪等设备进行全野外测量直接生产数字化图；（3）航空摄影测量成图等。

Production of digital maps for the normal channels : one to the original foundation for the digital map ; 2 , using total station equipment , such as direct production of full-field digital measurement map ; 3 , aerial photography and other mapping measurement .

手持GPS定位在野外地质测量中的误差分析

Error Analysis on Handheld GPS Positioning in Field Geological Survey

软件系统中包括了两套软件，一套为基于WINDOWSCE系统的测控软件。PDA通过RS232串口控制仪器工作，适用于野外现场测量。

The system includes two sets of software : One is the measure & control software based on standard RS232 interface and Windows CE operating system , this set of software mainly works in outside job ;