Atmospheric refraction is one of the vital factors of affecting precision in astronomical survey.
大气折射是对天文测量精度影响较大的因素之一,至今无法将其完全消除,只能尽量减弱。
Astronomical azimuth measure and precision estimate of Zhaoqing Geomagnetic Station;
肇庆地磁台天文方位角测量及精度估计
The density of the required data of astronomical measurement, gravimeter survey and geodesic survey is not satisfied.
需要的天文测量、重力测量、大地测量等数据的密度无法满足其需要。
THE RADIO ASTRONOMY SYSTEM FOR FENGYUN NO. 2 GROUND SATELLITE STATION
风云二号气象卫星地面站天线射电天文测量系统
For astrometric purposes, dark frame and flat field calibration is recommended.
出于天文测量要求,暗场图和平场图校准是被推荐的。
The Improvements of the Measuring Method of the Flare Data Obtained at Yunnan Observatory
云南天文台耀斑数据测量方法的改进
Design of skylight polarization measurement system
天空偏振光测量系统的设计(英文)
Measurement method and analysis of electromagnetic environment in radio astronomic observatories
射电天文站电磁环境测量方法及分析
the branch of astronomy that deals with the measurement of the position and motion of celestial bodies.
天文学中有关天体位置与运动的测量的分支。
Differential Measurement Method for Atmospheric Refraction and the Results of Experimental Observations
天文大气折射的较差测量方法及试观测结果
High-Resolution Image Reconstruction Technology Applied to the Optical Testing of Ground-Based Astronomical Telescopes;
天文高分辨像复原技术检测地基天文光学望远镜成像质量
THE SURVEY AND PRECISE ESTIMATION OF ASTRONOMICAL AZIMUTH AT CHANGCHUN GEOMAGNETIC STATION
长春地磁台天文方位角测量及精度估计
vehicles for space astronomical observation
空间天文观测航天器
The work of this paper may offer some reference and gist for research on astrometry and geodesy.
本文的工作可为天文大地测量的研究提供一定的参考和依据。
In this paper, the present situation in research on relativity in astrometry was summarized.
本文综述了对天体测量中的相对论问题的现有讨论所导出的结论。
A novel method for redshift determination and spectral line identification of celestial spectra is presented, which is based on the knowledge of feature spectral lines.
该文给出了一种基于知识的天体光谱的红移测量和谱线证认方法。
a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years.
测量恒星距离的天文学长度单位;一秒差距等于三十万亿公里。
A powerful laser and astronomical telescope are used for this measurement.
在测量时使用了一台功率强大的激光器和一台天文望远镜。
The cold grip of its repulsive gravity is strangling the formation of large cosmic structures.
现在,天文学家藉由观测发现,暗能量游走于银河系的周围。
The Study on Test Method on Using Borderline Water Level to Direct Outflow Used by Shuntian Hydrologic Station;
顺天水文站利用顶托临界水位指导流量测验方法的探讨