介绍由天体测量卫星GAIA和SIM给出的天球参考架可能逵到的精度。
The accuracy of the future international celestial reference frame obtained from astrometric satellites: SIM and GAIA are given.
本文分析了依巴谷空间天体测量卫星主探测器析像管和恒星测绘仪的工作缺点；
The defects of main detector, Imange Dissector Tube (IDT), in HIPPARCOS Space Astrometry Satellite are discussed.
虽然全球定位测量卫星在平民之中很流行和很有用，但是他们不保证能工作正常。
Although GPS is popular and useful among civilians, they have no guarantee of its working.
对于全球重力场测量卫星而言，其姿态和轨道的保持精度直接影响着全球重力场测量的精度。
For the gravity field measurement of satellite, the maintained precision of the gravity field measurement satellites attitude and the orbit affect the measurement precision directly.
由于采用的红外地平仪无法测量卫星的偏航信息，提出了一种基于偏航观测器的姿态控制方案。
Since the measurement of the yaw angle is unavailable by horizon sensor, an attitude control scheme of the satellite is proposed based on yaw observer.
本文根据摄影测量卫星的特点介绍了卫星发射窗口的概念，导出一组确定卫星发射窗口的公式。
In this paper, according to the feature of photogrammetric satellites, the concept of the satellite launching window is introduced, and the formulae of its determination deduced.
简单介绍我国重力场测量卫星的高精度K波段星间测距系统的概念和其关键部分超稳定晶体振荡器的概念。
The concept of KBR System main structure used in the gravity field measurement in China and the key technologies of USO is introduced.
在最近的一份研究研究人员采用计算机模型和数据来自美国宇航局的热带降雨测量卫星的使命估计如何三峡大坝的施工阻面积降雨。
In a recent study, researchers used computer models and data from NASA's Tropical rainfall Measuring Mission satellite to estimate how the dam's construction impacted area rainfall.
通过测量信号在卫星和天线之间传播所需的时间，汽车的位置可以被锁定在100米误差之内。
By measuring the time required for a signal to travel between the satellites and the antenna, the car's location can be pinned down within 100 meters.
过去几年的卫星观测和潜艇调查显示，极地地区的冰层减少了，但最近的测量显示，冰层的减少量比之前设想的更为明显。
Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.
我们需要对喜马拉雅山脉进行更广泛的测量，但是卫星照片已很清楚地表明正在发生什么。
We do need more extensive measurement of the Himalayan range but it is clear from satellite pictures what is happening.
因为该地录得的雨量来自各区域的单独测量数据，而卫星记录的雨量数据来自整个区域。
Rainfall gauges measure rain at a single location on the ground, while satellites record rainfall totals across a broader region.
科学家们研究了自开始持续的卫星测量的1997年以前的历史记录。
The scientists dug back into the historical record, well past 1997, the year continuous satellite measurements began.
2003年发射的冰云和地面高度卫星对北极圈区域进行的测量给这项研究提供了参照。
The study looked at measurements taken of the Arctic region by the Icesat satellite, launched in 2003.
卫星测量和登上冰山的大量调查也是有益的补充，但是大部分还得靠在严寒中宿营的意志坚强的个人来完成。
Satellite surveys and large arrays of iceberg-mounted probes are a useful addition, but much is still done by hardy individuals camped out in the cold.
这项基于卫星测量的研究，首次将对北极冰盖厚度的评估作为研究对象，而不是像以往的研究一样，只是对冰盖的表面积进行研究。
The study, based on satellite measurements, is among the first to estimate the thickness of the Arctic ice, rather than just its surface area.
说句题外话，像“GPS”(即“全球定位系统”——译者注)这样的技术倒的确可以通过三角测量的卫星定位进行远程跟踪，比如说跟踪某个坐在车里的人。
As an aside, a technology such as GPS can in fact track a thing or, say a person in a vehicle, remotely from far away, by triangulating off of satellites.
利用卫星测量冰雪范围，并计算出照射地面的日光值，最后绘制出上面的图像。
The maps were made by combining satellite measurements of snow and ice extent with calculations of the amount of sunlight reaching the ground during the season.
我们在一特定区域去测量冰的厚度用来帮助校正卫星在这一区域之前的测量。
We are out here on a dedicated field campaign to measure the thickness of the ice to help calibrate and validate satellite thickness measurements in this period of advanced retreat.
目前科学家们综合气象站的记录以及卫星测量的数据，发现南极这个冰冻的大陆实际上也在变暖。这项研究结果发表在科学杂志《自然》(Nature)上。
Now scientists have combined weather station records with satellite measurements to find that the frozen continent is indeed warming, according to research published in the scientific journal Nature.
Wright博士和他的同事们将使用卫星雷达成像技术来测量地面变形。
Dr Wright and his colleagues will use satellite radar imaging to measure how the ground deforms.
普朗克卫星的测量结果被定在2013年发布，研究人员计划还想再看一看，尤其要考察本研究所关心的空间4个位置。
The Planck measurements are set to be released in 2013, and the researchers plan to look again, surveying in particular the four areas of interest from this study.
我们希望做到的是通过将沿轨道系统测量仪器与卫星系统信号进行整合，将精度范围提升至两米。
What we hope to do is improve that accuracy to 2m by integrating on-the-track measurement devices with GNNS signals.
其中一组数据是卫星测量的记录，数据可追溯到20世纪50年代，而另外一组则是跨越整个20世纪的船上目测数据。
One, from satellite recordings, stretched back to the 1950s, while visual observations from ships span the whole of the 20th century.
该系统(MPA)从来源于多个热带降雨测量任务(TRMM)卫星【2】的数据测量和校准降雨量估算值。
The MPA estimates rainfall by combining measurements from many satellites and calibrating them against rainfall measurements from the Tropical rainfall Measuring Mission (TRMM) satellite.
流污染测量仪是加拿大通过美国宇航局的Terra卫星来测量大气中的一氧化碳的量的一种仪器。
MOPITT is a Canadian instrument flying on NASA's Terra satellite to collect measurements of carbon monoxide in the atmosphere.
在由科学与环境中心组织的“沿海地区，沿海人口及其关注的问题”研讨会上，印度国家海洋资讯中心的主任萨西什谢诺依博士发言时警告说，海洋表面的测量和卫星观测证实，人为气候变暖在印度洋将区域海面上升的变化加剧。
Dr Satheesh C. Shenoi, director, Indian National Centre for Ocean Infor-mation Services, speaking at a workshop on "Coasts, Coastal Populations and their Concerns" o.
凭借那些数据，他们可以对北极冰的情况有一个更深的了解。这对比起通过卫星得到的了解来说是种巨大的进步，因为卫星要测量水位线下的冰是挺费力的。
That data gives them a much deeper understanding of what's happening to Arctic ice, a big improvement over what you can get from satellites, which struggle to measure ice below the water level.
未来，科学家们还有可能用丽莎卫星进行观测，丽莎卫星可以测量到两个正在合并的黑洞发射出的引力波。
In future, it might even be possible to observe this process with the planned LISA satellite, an instrument capable of measuring the gravity waves that the two merging black holes emit.
未来，科学家们还有可能用丽莎卫星进行观测，丽莎卫星可以测量到两个正在合并的黑洞发射出的引力波。
In future, it might even be possible to observe this process with the planned LISA satellite, an instrument capable of measuring the gravity waves that the two merging black holes emit.
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