同时也使学生了解光时域反射仪的工作原理和基本操作。
Students can understand and master the essential principle and basic …
同时，还讨论了影响光时域反射仪(OTDR)测试精度的要素和消除测试误差通常采用的对策。
At the same time, it discusses the elements influencing the test accuracy of optical time domain reflectometer (OTDR) and measures for eliminating test error.
反射仪-硝酸根试纸法快捷简便，是蔬菜氮素营养诊断和蔬菜硝酸盐含量监测的理想的现场速测技术。
So the nitrate test-strip-reflectometer method could rapidly monitor the nitrate level of vegetables and soils in the field and market scene.
应用反射仪测定棉株叶组织硝态氮含量，研究了硝态氮作为棉花氮营养诊断和追肥推荐指标的可行性。
Field experiments were conducted to study cotton nitrogen diagnosis and topdressing recommendation by measuring cotton tissue NO 3 - concentration with Reflectoquant .
地形图海拔数据来自于美国国家航空航天局的Terra(土地)卫星上的高级星载热辐射及热反射仪(ASTER)。
The topography is from digital elevation data collected by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite.
Robert使得时域反射仪这一课题不再神秘，它能够帮助您检测，测量以及找出任何阻抗不匹配的输电线路。
Detect and measure impedance Mismatches Robert demystifies the topic of time domain reflectometry, which enables you to detect, measure, and locate any impedance mismatch in a transmission line.
应用时域反射仪、中子仪和上钻法测定了农田土壤水分，并对农田土层含水量和主体贮水量的测定结果进行了比较。
The soil moisture is measured in the field by time domain reflectometry , neutron probe and soil sampling, The results showed that the measured values are different.
应用时域反射仪(TDR)土壤水分定位监测方法，研究了南方丘陵区不同坡地利用方式土壤水分动态及其影响因子。
In situ monitoring of soil water content changes in sloping fields under different use types were carried out in a highland region of southern China using time domain reflectometry (TDR).
时域反射仪测定土壤体积含水量的准确度取决于两个关键因素：土壤介电常数的测定准确度以及土壤含水量和介电常数之间的关系模型。
The accuracy of soil water content measured by TDR depends on two key factors: soil dielectric constant and the calibration model of soil volumetric water content vs. dielectric constant.
美国航空航天局terra卫星上的先进星载热发射和反射辐射仪在2010年5月2日拍摄到这张罕萨河堰塞湖的假彩色图像。
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite captured this false-color image of the landslide lake on the Hunza River on May 2, 2010.
6月1日，特拉卫星上的先进星载热发射和反射辐射仪（ASTWER）捕捉到这张堰塞湖伪色图像——这个湖现在长16公里。
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on the Terra satellite acquired this false-color image of the landslide lake on June 1, 2010 - now 16km (10 mi) long.
美国国家航空航天局(NASA)的Terra(土地)卫星上的高级太空热能发射、反射射线仪(ASTER)于2007年10月10日获得了一张Chiyli陨石坑的伪色彩图像。
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite captured this false-color image of Chiyli Crater on October 10, 2007.
该卫星将于地球上56,000处观测点利用两个探测器收集数据——其中的一个是光谱仪，测量从地球表面反射的阳光。
It will gather data from 56, 000 points around the globe with two detectors. One is a spectrometer that measures sunlight reflected from the Earth's surface.
该卫星将于地球上56,000处观测点利用两个探测器收集数据——其中的一个是光谱仪，测量从地球表面反射的阳光。
It will gather data from 56,000 points around the globe with two detectors. One is a spectrometer that measures sunlight reflected from the Earth's surface.
这就很好地说明了我们使用光谱仪，利用物质反射光波，可遥控探测到水分子，但是由于缺少足够阳光，一直没有成功收集水。
The lack of light explains why spectrometers — instruments that can be used for remote water detection but rely on reflected light to do so — never picked up on the water.
一个是光谱仪，它测量从地球表面反射的阳光。
One is a spectrometer that measures sunlight reflected from the Earth's surface.
还有一个因使用数码投影仪带来的光照问题，即学生常常受到从投影屏反射的强光照射。
Another lighting problem, brought about since the introduction of data projectors into classrooms, is glare reflecting off the projection screen into pupils' eyes.
由跟踪分解的高级星载热反射辐射仪拍摄的图像预示，尽管遭到损害，但是它给冰架完全移开留下了一段时间。
Images taken by ASTER following the disintegration indicate thatdespite the damage, it will take awhile for the ice shelf to completelymove away.
扫描机，所谓的“反射散射扫描仪”，发射出的电离辐射剂量相当于牙科辐射X射线的1%或更少。
The scanning machines, called "backscatter scanners," deliver a dose of ionizing radiation equivalent to 1 percent or less of the radiation in a dental X-ray.
图中的绿红两色是激光被被反射回扫描仪的情况。
The green to red colors show how well the laser is reflected back to the scanner.
2010年9月5日，美国国家航空航天局的“特拉”卫星上搭载的先进星载热发射和反射辐射仪Advanced Spaceborne Thermal Emission and ReflectionRadiometer,ASTER拍摄到一幅关于这两个水体的图片。
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite captured this image of the two water bodies on September 5, 2010.
美国宇航局的Terra卫星上的高级星载热发射和反射辐射仪(ASTER)分别于海啸前后拍摄到的上面两张伪色图像。
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite captured these false-color images before and after the tsunami.
右图是用多角度成像光谱仪的70度后视相机，利用光线反射增强极地云的外观拍摄的自然色图像。
The right-hand photo is a natural-color image taken with MISR's 70-degree backward viewing camera, which uses the reflection of lightto enhance the polar clouds' appearance.
这张地形图根据由NASA（美国航空航天局）Terra号卫星上的先进星载热发射和反射辐射仪（ASTER）搜集的数字海拔高度数据制作而成。
The topography is from digital elevation data collected by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite.
由美国宇航局Terra搭载的高级星载热反射辐射仪捕捉到这些图像，揭示了2002年4月F5级龙卷风肆虐马里兰州拉普拉塔的路径。
Theseimages acquired by NASA's Terra satellite Advanced Spaceborne ThermalReflection Radiometer (ASTER) reveal the path of an F5 tornado thattore across La Plata, Maryland, in April 2002.
采用泰曼-格林干涉仪，测量了反射镜在高功率激光连续辐照下发生的热形变和镜背侧冷却水压造成的压力形变。
Thermal distortion of mirrors caused by high power CW laser radiation and pressure distortion by water-cooled back pressure have been measured using a Twyman-Green interferometer.
该扫描仪采用了超冷却磁体和反射无线电波，检测有多少氧合血流分布到受检人员的大脑部分。
The scanner used a super-cooled magnet and reflections of radio waves to determine how much oxygenated blood was in a given part of the subject's brain.
激光测高仪通过物体表面反射的光束测量山脉的高度和峡谷的深度。
The laser altimeter will bounce beams of light off of the surface to measure the heights of mountains and depths of valleys.
激光测高仪通过物体表面反射的光束测量山脉的高度和峡谷的深度。
The laser altimeter will bounce beams of light off of the surface to measure the heights of mountains and depths of valleys.
应用推荐