您要查找的是不是:
- extragalactic radio astronomy 河外射电天文学
- Radio astronomy has greatly increased our understanding of the universe. 辐射天文学大大地增进了我们对宇宙的了解。
- Radio astronomy today is armed with the largest antennas in the world. 射电天文学拥有世界上最大的天线。
- The development of the technical infrastructure for radio astronomy through training in techniques. 通过技术训练逐步完善射电天文的技术支撑队伍。
- In none of these respects does optical astronomy have any advantage over radio astronomy. 在所有这些指标上,射电天文并不比光学天文逊色。
- A new science, Radio Astronomy, has emerged, and it is very closely allied to astronomy, astro-physics and physics. 出现了一门新兴学科----无线电天文学,它与天文学、天文物理学和物理学关系密切。
- The mass of one of these suppressive black holes has recently been measured using radio astronomy. 这些有着巨大质量的黑洞,最近利用了射电天文学来测量它们的质量。
- Still another technique, very long baseline interferometry, has radio telescopes on the ground listen to extragalactic radio waves to detect changes in the positions of the ground stations. 还有另一种方法,有非常长的基线干涉测量,在地面上有射电望远镜,去听银河系外的无限电波以侦察地面站的位置的改变。
- The program package is tested by simulated data with/without the application of white noises.It is also preliminarily applied to the reduction of optical positions of four extragalactic radio sources. 采用模拟数据对该程序进行了可靠性检验,并将该程序应用于4颗河外射电源的光学定位。
- He Baoyu (Aerocraft Design)Directed by Wu JiSynthetic aperture technology in radio astronomy is introduced into microwave radiometer since 1980's. 八十年代以来,为改善微波辐射计性能,人们将射电天文观测中的孔径综合技术引入到微波辐射计设计中,开始了综合孔径辐射计的研究。
- Foremost among the techniques used to study dense interstellar region is molecular radio astronomy, a relatively new and repidly developing interdisciplinary science. 在用来研究高密星际区域的技术中,最重要的是分子射电天文学;这是一门较新的发展迅速的边缘科学。
- Foremost among the techniques used to study dense interstellar region is molecular radio astronomy, a relatively new and rapidly developing interdisciplinary science. 在用来研究高密星际区域的技术中,最重要的是分子射电天文学;这是一门较新的发展迅速的边缘科学。
- The ultimate success of the project will be achieved if the next forefront radio astronomy project can be conceived, planned, and built entirely in China. 如果下一个前沿的射电天文项目能够完全在中国构思、计划和实现,那才是伙伴小组最后的成功。
- The water vapor was found 11.5 billion light years from Earth, using the 100-meter Effelsberg radio telescope at the Max Planck Institute for Radio Astronomy in Leipzig, Germany. 隶属于卜朗克无线电波天文研究院的伊费尔斯堡无线电波天文台,使用反射镜直径达100公尺的无线电波望远镜,在离地球115亿光年之处发现水蒸气。
- Mark Adams, a spokesman for the National Radio Astronomy Observatory, says that his institute has not yet been told how much money it must raise to keep the VLBA open. 国家射电天文台的发言人,表示他的协会还没有被告知要提高多少钱才能维持VLBA运行。
- double extragalactic radio source 河外射电双源
- Two decades later, Joshua Barnes of the University of Hawaii and John Hibbard of the National Radio Astronomy Observatory in Virginia created a detailed model of the colliding Mice that greatly enhanced the work of the Toomre brothers. 二十年之后,夏威夷大学的约书亚·巴尼斯和弗吉尼亚国家射电大文学天文台的约翰·哈比德创造了一个撞击的“老鼠”的详细模型,这大大地推进了图木尔兄弟的工作。
- Two decades later,Joshua Barnes of the University of Hawaii and John Hibbard of the National Radio Astronomy Observatory in Virginia created a detailed model of the colliding Mice that greatly enhanced the work of the Toomre brothers. 二十年之后,夏威夷大学的约书亚·巴尼斯和弗吉尼亚国家射电大文学天文台的约翰·哈比德创造了一个撞击的“老鼠”的详细模型,这大大地推进了图木尔兄弟的工作。
- We present the multi-frequency VLBI polarimetric observations of a QSO NRAO 530. This thesis introduces the origin of radio polarimetric research, its development, the theoretical model and its contribution to the radio astronomy. 本文对活动星系核NRAO530进行多波段VLBI偏振测量研究,首先介绍射电偏振研究的产生、发展、理论依据和模型以及对射电天文的贡献,在数据观测和处理方面我们详细讨论VLBA偏振观测、数据处理以及结果分析。
- To help them in this seemingly impossible endeavor, the researchers used radio astronomy data, which provided the relative speeds at which the galaxies and their constituent parts are currently moving. ”为了给他们这种令人难以置信的努力提供帮助,研究人员使用了射电天文学的资料,这种资料为星系以及组成部分当前的运行提供了相关速度。