欧洲空间局专门用作空间天体测量的伊巴谷卫星将于1988年上半年发射。
The ESA astrometry satellite HIPPARCOS will be launched in the first part of 1988 or later.
本文介绍了由地球人造卫星进行天体测量的两项计划,并提出了它们对天体测量学、天体物理学和恒星天文学的影响。
Two projects for astrometry from Earth satellites are described and their impact on astrometry, astrophysics and stellar astronomy are outlined.
这些齿可以像尺子一样用来异常精确的测量激光器、原子、天体或其它物体发出的光的频率。
The teeth can be used like a ruler to measure the light emitted by lasers, atoms, stars, or other objects with extraordinarily high precision.
所以我觉得如果这些实验室里的,对于常数变化的精密的测量,与天体物理的发现一致的话,那将是非常有力的证据。
So I think if these precision laboratory measurements would find changes that are consistent with that, that would be very strong evidence.
这两种图景之间的差异可能会与超新星被当成“标准烛光”(也就是亮度已知的天体)来测量遥远宇宙距离的方式有关。
The difference between these two scenarios may have implications for how these supernovae can be used as "standard candles" — objects of a known brightness — to track vast cosmic distances.
由于宇宙正处于膨胀过程中,通过测量一个天体的红移量并算出它的远离速度,天文学家就可以推测出它的距离。因为越远的天体远离速度就越快。
Because the universe is expanding, measuring an object's redshift, and hence its velocity, allows astronomers to deduce its distance, because objects that are farther away are moving more quickly.
这颗行星,VB10b,是用天体测量学的方法,精确测量它的恒星在空中的受迫摆动而发现的。
The planet, called VB 10b, was discovered using astrometry, a method inwhich the wobble induced by a planet on its star is measured preciselyon the sky.
据此,对天体测量学的术语、概念和定义的变化作了描述,并讨论了变化的原因和对天体测量学的影响。
In this paper, the changes of terminology, concepts and definitions are described. The reasons for the changes, the influences on classical astrometry are discussed.
地球的自转运动和公转运动本来就是天体测量学和地学共同的研究课题,但方法和目的有所不同。
The Earth's rotation and revolution Movement was originally astrometry and ground studies of common research topics, but the methods and goals of different.
用天文学方法研究地球的各种运动状态及其力学机制的学科,是天体测量学与地学交叉的科学。
Study on the earth with a variety of astronomical state of motion and mechanical mechanisms of disciplines, is astrometry intersection of science and earth science.
方位,相对位置:方向,尤指用地理学的或天体图线测量的从一个固定位置到另一个位置的带有角度的方向。
Direction, especially angular direction measured from one position to another using geographical or celestial reference lines.
这是一种用以测量天体之间微小的角距离的望远镜。
This is a telescope equipped to measure small angular distances between celestial bodies.
论述了基于最优估计理论的天文定位方法中天体高度测量精度与定位精度的关系。
Discussed the relationship between the altitude accuracy observed and accuracy of celestial positioning based on the optimal estimating method.
实验室中对其压致展宽系数的测量能直接为天体间和地球大气层中SO_2浓度的检测提供必要的数据。
The measurement of pressure broadening coefficient of SO_2 in laboratory can provide necessary data for concentration monitor in interstellar and Earth's atmosphere.
针对天文导航中天体参数的测量与计算问题,提出了基于小波分析的天体参数卡尔曼滤波计算方法。
To study the measurement and calculation of parameters of celestial bodies, an arithmetic is processed which is based on wavelet analysis and Kalman filter.
利用光学导航相机以及星敏感器,通过测量星光信息以及天体边缘的信息,进行了自主光学导航方案的设计。
An autonomous optical navigation scheme was designed using the star light data and body edge data which is measured by star sensor and optical navigation camera.
现代天文学界的伟人像伽利略,开普勒,哥白尼甚至牛顿在测量天体轨道时也对神秘的解释感兴趣。
The great names in modern astronomy, like Galileo, Kepler, Copernicus and even Newton were just as interested in mystic interpretations as in measuring planetary orbits.
天体测量学许多问题中的相对论效应已被许多人讨论过并在资料处理中应用。
The effects of relativity on a lot of subjects in astrometry have been discussed and applied in reduction of data.
反常折射已成为传统天体测量学的主要误差来源。
Anomalous refraction is believed to be the main error source for classical astrometry.
讨论有关天体测量中的测光问题,介绍一些地面天体测量仪器和空间天体测量望远镜的测光研究。
The Problem of astrometric photometry is discussed in this paper. The photometric capabilities on both the ground-based astrometric instruments and space telescopes are presented.
正在进行的实验室天体物理测量解决了X射线天文学的一些问题。
Laboratory astrophysics measurements are being conducted to address the needs of X-ray astronomy.
正在进行的实验室天体物理测量解决了X射线天文学的一些问题。
Laboratory astrophysics measurements are being conducted to address the needs of X-ray astronomy.
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