52单词网 > 英语词典 > atomic clock

atomic clock

小编 分享 时间:
atomic clock是什么意思
英式音标:[əˈtɔmik klɔk]英式读音
美式音标:[əˈtɑmɪk klɑk]美式读音
词汇分类:Word Menu
词义:

n.

原子钟;

英英释义

atomic clock

n.a timepiece that derives its time scale from the vibration of atoms or molecules

用法:

双语例句

Such a molecular or atomic clock is now being developed and promises to be very accurate.
这种分子和原子钟目前正在发展中,预期能有很高的准确度。

In a traditional atomic clock, atoms are illuminated by microwaves, in the gigahertz frequency range.
在传统的原子钟里,原子受到吉赫波段的微波照射。

权威例句

Atomic clock

Atomic clock

Atomic clock

An atomic clock with 10(-18) instability.

Microfabricated atomic clocks

A microfabricated atomic clock

Atomic Clocks and Variations of the Fine Structure Constant

Atomic clocks based on coherent population trapping: a review

Atomic Clocks. (Book Reviews: The Quantum Physics of Atomic Frequency Standards.)

Around-the-World Atomic Clocks: Observed Relativistic Time Gains

Around-the-World Atomic Clocks: Predicted Relativistic Time Gains.

Making optical atomic clocks more stable with 10-16-level laser stabilization

Atomic clocks based on coherent population trapping: basic theoretical models and frequency stability
造句:

1. Thus time and time's relativity are measurable by any hourglass, alarm clock, or atomic clock that can measure a billionth of a second.

因此,时间和时间的相对性可以用任何沙漏、闹钟或原子钟来测量,其中原子钟可测量出十亿分之一秒。

youdao

2. We've programmed it to match an atomic clock if the waterways continue to flow at their present rate.

我们给时钟编了程序,如果河流继续以现在的速度流动的话,那么就让它与原子钟相匹配。

youdao

3. Only in the last 30 years have they gotten smarter with the introduction of things like calculators and, more recently, chronographs and satellites tied to the atomic clock.

只是在过去的30年间,计算器的引入才使手表才变得智能化;而也仅仅是最近的几年中,计时器和卫星技术才运用在了原子钟表里。

youdao

4. At the US Naval Observatory in Washington, its newest atomic clock is getting a climate-controlled room of its own for the first time.

在位于华盛顿的美国海军天文台,这里最新的原子钟首次得到了一个拥有空调的专用房间。

youdao

5. This involves taking two measurements from different parts of a very broad comb and comparing the results to precisely known frequencies of an atomic clock.

这是通过,用一个非常宽的频率梳的两个部分测量一个已知的精确的原子钟频率,然后比较两者测量的结果来实现的。

youdao

6. The Doomsday Clock isn't a clock and it doesn't keep time. It's a metaphor introduced by The Bulletin of the Atomic Scientists to gauge public safety.

末日时钟并不是真正的计时钟表,而是一面虚构的钟面,由芝加哥大学的《原子科学家公报》杂志于1947年设立,以标示出世界受核武威胁的程度。

youdao

7. His discoveries, which won him the Nobel prize, led to the caesium atomic clock and the hydrogen maser.

这一获得诺贝尔奖的发现产生了铯原子钟和氢微波激射器。

youdao

8. The key to both experiments is the quantum logic atomic clock, which USES the oscillation of a single aluminium ion to maintain precise timing.

两个实验的重点是量子铝原子钟,它利用单一铝离子的震荡来精准测量时间的流逝。

youdao

9. Scientists developed the first atomic clock in 1949.

科学家们于1949年制作了第一台原子钟。

youdao

10. By synchronizing one of the optical teeth with the clock laser, atomic clockmakers force the other teeth to become equally stable.

通过将激光和光梳某个梳齿同步,制作者可以使得其他梳齿变得同样稳定。

youdao

11. NASA plans to test a full-size solar sail for chemical-free propulsion and a deep space atomic clock.

此外,美国国家航空航天局(下文简称NASA)还计划测试一个完整尺寸的太阳帆,为航天器提供绿色推进能源,以及测试一个深空原子钟。

youdao

12. Another showed that an atomic clock sped up when launched on a rocket 10,000 kilometres above Earth's surface, where the planet's gravitational field is weaker.

另一项研究显示,当把原子钟用于火箭,发射到离地面1万公里以上的高空时,由于那里的地球引力场较弱,而略微有所加快。

youdao

13. It will update your system clock time, synchronizing it with atomic clocks through the Internet.

该软件将更新你的系统时间,通过因特网使用原子时钟同步你的系统时间。

youdao

14. It is alternative solution to synchronizing with atomic clock using NTP and Internet.

这是替代解决办法,以同步与原子钟使用的NTP和互联网。

youdao

15. Thus the clock laser's orderly light waves are paced by the atomic metronome - just as a drill sergeant keeps troops in precise cadence.

因此用原子节拍器对其调节使其有序,就好像教官喊节拍一样。

youdao

16. Based on a numerical model cesium atomic clock designed before, the influence of atomic velocity distribution consisting of two peaks and three peaks has been studied respectively.

基于已建立的小型铯原子钟计算机模型系统,研究了铯束原子速度为双峰分布和三峰分布对原子钟微波频谱的影响。

youdao

17. The loop design of the passive atomic clock is discussed to accomplish the transfer of the frequency accuracy and stability from the atomic resonance to the locked oscillator.

本文就被动型原子钟的环路设计讨论了原子谐振器频率准确度和稳定向锁定晶振的传递问题。

youdao

18. One such atomic clock is so accurate that it will probably lose no more than a second in 3,000 years.

一座这样的原子钟精确度很高,在3,000年期间也不会慢掉一秒钟。

youdao

19. Experimental results show that the slow cesium atomic clock time a very small unit.

结果实验表明铯原子钟慢了很小的一个时间单位。

youdao

20. In the proposed schemes, the redundant configuration of grandmaster clock using Beidou navigation satellite system, GPS (Global Positioning system) and atomic clock is discussed.

在应用方案中,讨论了利用北斗卫星定位系统、全球卫星定位系统(GPS)和原子时钟构建最高级时钟的冗余配置方案。

youdao

21. The random variation in atomic clock noise is presented at small scale.

在小尺度上,原子钟噪声是完全随机的变化特征。

youdao

22. Based on available frequency standards: one prototype laboratory model of cesium clock, three hydrogen clocks and several (2-6) rubidium clocks, the SO atomic time scale has been established.

利用我们现有的标准,一台试验型实验室铯束标准,三台氢原子钟以及若干台(2 -6)铷气泡标准来建立原子时尺度。

youdao

23. The multiple coherent interactions of atoms and oscillatory microwave field play an important role in the potential accuracy of atomic clock.

原子频标中微波场与原子的作用方式是决定其潜在精度的主要因素之一。

youdao

24. Many new techniques are applied to the compact Rubidium atomic fountain clock and a compact structure is adopted.

该小喷泉铷钟吸收了原子喷泉的许多新技术,采用紧凑的结构设计,加入空心光束以提高探测原子数。

youdao

25. The synergetic method mainly includes: noise-separating method based on time sequence model of atomic clock and malfunction - separating and positioning method based on malfunction-tree.

该方法的内容包括:原子钟一阶模型的噪声分离方法和故障树的故障分离、故障定位方法。

youdao

26. Through analysis, technical requirements for VCXO used in the cesium atomic clock are put forward in this paper.

本文从分析压控晶体振荡器的技术指标对铯束频标的影响出发,提出对它的技术要求。

youdao

27. The standard frequency in television signals is a signal with high stability and accuracy, controlled by the atomic clock.

电视信号中的标准频率信号是受原子钟控制的高稳定度、高准确度的信号。

youdao

28. The resonance frequency shift in the space atomic clock prototype is analyzed in the paper. The preliminary results show that a higher accuracy is obtainable in the proposed new prototype.

在分析作者建议的一种新型空间原子钟原型中原子与场作用特点的基础上,探讨几种因素对该原型中原子跃迁频率的影响及相应的减少频移措施。

youdao

29. Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.

该系统用高稳定度铷钟作为时间基准信号,实现了无源导航定位功能。

youdao

30. Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.

该系统用高稳定度铷钟作为时间基准信号,实现了无源导航定位功能。

youdao

atomic clock

将本文的Word文档下载到电脑,方便收藏和打印
推荐度:
点击下载文档文档为doc格式