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射电

na.【电磁】radio
网络VLA; Astronomy; VLBI

射电

英-汉网络释义

射电

na.

1.【电磁】radio

1

With the help of special radio telescope, the intensity of radiation can be measured in different parts of the sky .

借助于专门的射电望远镜，就可以测量天空中任何地方辐射的强度。

2

The new source has hardly changed in brightness over the course of a year , and its spectrum is steady .

相比之下，最新发现的奇特喷射射电在一年时间内光度几乎不会变化，并且光谱也稳定不变。

4

He thinks it may be possible to measure the spin using an intercontinental network of existing radio telescopes over the next five years .

他认为可以在接下来的五年内，通过现有的洲际射电望远镜网络，测量黑洞的自旋。

7

And that radio signal , if you point just at the point there, it actually shows up this carbon in that little area .

射电信号，如果你指向就是这个点，它显示的就是这个小区域的碳元素。

10

Radio telescopes have been able to probe space beyond the range of ordinary optical telescopes .

射电望远镜已能探测普通光学望远镜达不到的宇宙空间。

11

The asteroid named 2005 YU55 is being watched by ground antennas as it approaches from the direction of the sun.

这个被命名为 2005YU55 的小行星目前很接近太阳的方向，正被地面上的射电望远镜所观察。

13

14

A giant radio telescope, installed in a rural area of western Virginia, began to pursue signs of extraterrestrial life on 86 planets .

一台位于美国西弗吉尼亚州郊外的大型射电望远镜日前开始搜寻在 86 颗行星上存在的可能与外星人相关的生命。

15

The well of material rotates too quickly to be explained by the observed amount of gas . Something else must serve as gravitational glue.

这个区域的物质旋转很快，不能由射电观测到的气体的引力解释。必然有一些别的东西来提供引力。

17

Receive antennas are very sensitive to the electric field component parallel to the long axis .

接收天线对与其长轴平行的入射电场分量最敏感。

18

One of these galaxies was NGC 4258, whose distance was very accurately determined through observations with radio telescopes.

其中的一个星系是 NGC4258 ，它的距离已经由射电望远镜阵列非常精确的测量过。

19

20

The most exciting of these is the plan for a radio telescope that could be placed on the far side of the moon .

其中最激动人心的莫过于在月球远侧安置一个射电望远镜的计划。

21

it must be known to any kind of radio astronomer in the universe .

这个频率是宇宙中任何射电天文学家都应该熟悉的。

23

Nestled deep in the green hills of West Virginia , a dish- shaped telescope keeps an unceasing vigil on the sky .

在西弗吉尼亚州绿丘起伏的深处，一个盘状的射电望远镜一直毫不间断地监视着天空。

25

Radio astronomer Melanie Johnston-Hollitt at Victoria University, Wellington , NZ, has collaborated with IBM for developing the system .

来自新西兰惠灵顿维多利亚大学的射电天文学家 MelanieJohnston-Hollitt 与 IBM 合作开发了该系统。

28

Theoretically , there are no limits to the dimensions of a radio telescope-array , but there are practical restrictions .

从理论上说，射电望远镜阵列的大小是不受限制的，但在实践上却有一定的局限性。

29

The feature of optical fiber transmission system and its effect on the solar radio heliograph are analyzed in this article.

分析了光纤传输系统的特性，及其对太阳射电频谱日像仪的影响。

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