pulsar
美 [ˈpʌlsɑr]
英 [ˈpʌlsɑː(r)] 
词形变化
复数:pulsars
英汉双解
1. | 脉冲星a star that cannot be seen but that sends out regular rapid radio signals |
英汉解释
英英解释
例句
But it's been mostly cannibalized by its pulsar companion, and is now just a shadow of its former self.
其大部分已被它的脉冲星同伴拆解,目前所见的只是之前的影子而已。
The mass of the Crab Pulsar is not too different from that of the sun.
蟹状星云脉冲星的,质量和太阳不差太多。
In the nebula's very center lies a pulsar: a neutron star as massive as the Sun but with only the size of a small town.
在星云的正中心有一个脉冲星:一个中心星,它拥有和太阳类似的质量而只有一个小村庄那么大。
Apriori we do not know the exact distance, spin frequency, and orbital parameters of the radio pulsar that might be hidden in a data set.
因为我们不知道可能隐藏在数据集中的脉冲星的确切距离、自旋频率和轨道参数。
In the nebula's very center lies a pulsar: aneutron star as massive as the Sun but with only the size of a smalltown.
在星云的正中心有一个脉冲星:一个中子星,它拥有和太阳类似的质量而只有一个小村庄那么大。
How can we tell the difference between the sound of the Sun and the sound of a pulsar?
我们如何区分太阳的声音和脉冲星的声音?
A pulsar is not a normal star, but a dense, rapidly spinning remnant of a supernova explosion.
脉冲星并不是一种正常的恒星,它是超新星爆炸后留下的高密度快速旋转的残余部分。
As the pulsar rotates, this beam sweeps the sky in the same way that a light house beam sweeps around the horrizon.
当脉冲星旋转时,辐射来扫过天空,就像灯塔的光束绕地平面扫视那样。
LEDs then began to appear as indicator lights in calculators and watches, including the famous digital Pulsar watch.
之后LED开始作为指示灯出现在计算器和手表上,包括著名的Pulsar数字手表。
In theory, the first step toward producing a millisecond pulsar is the formation of a neutron star when a massive star goes supernova.
理论上,形成一颗毫秒脉冲星的第一步,是一个大质量恒星在成为超新星而爆发后留下的中子星。
Astronomers have tracked the movement of a pulsar, making the first direct measurement of its impressive speed.
天文学家追踪观察它的运动,并且第一次直接测量出了它的惊人速度。
The position of the pulsar at the upper right end of the tail is seen by mousing over the image.
脉冲星在尾巴末端右上角的位置,可以通过仔细搜寻图像查看到。
One of the neutron stars is a pulsar; it emits radio pulses at regular intervals as it spins 45 times per second.
其中一颗为脉冲星,该脉冲星以每秒45周的旋频率向宇宙中发射有规律的无线电波。
Moreover, we get a set of pulsar binaries with known sky positions and orbital parameters.
进一步,我们能够知道一些有确切位置和轨道参数的脉冲双星。
Such "pulsar glitches" likely result from brief interactions between the neutron star's solid crust and superfluid interior.
这种“脉冲星故障”很可能源于中子星坚硬的地壳与超流内部的短暂作用。
That the observed X-rays might originate from residual internal heat of this 50 million year-old pulsar was also ruled out.
观测到的X射线可能源自这个5千万年的脉冲星剩余的内部热量同样也被排除了。
The fast-spinning star is a pulsar, a super dense chunk of matter left over when a massive star explodes, then collapses in on itself.
那颗快速自转的恒星是脉冲星,是重恒星爆炸并塌陷后遗留下来的超密度物质团。
XMM-Newton has, for the first time, detected signals from both stars of a binary pulsar system in X-rays, unveiling a scientific goldmine.
牛顿首次探测到来自两颗星都是脉冲星的双星系统的X射线,揭开了一座科学金矿。
This star is clearly not the pulsar as it is about equally bright on both exposures.
这颗星很明显不是,中子星,因为它几乎,在两次曝光中一样亮。
The pulses appear to speed up and slow down slightly as the pulsar swings around its companion.
该脉冲星发出脉冲信号的频率在它围绕它的同伴旋转是显示出轻微的异动。
There is one other possible explanation for what scientists have seen: They could be watching the birth instead of a pulsar wind nebula.
对于科学家的最新观察结果,还有其他解释:他们所看到的或许只是一个“脉冲星风星云”的诞生。
A millisecond pulsar is a super compact neutron star, whose spin is highly accelerated by mass transferred from a companion star.
毫秒脉冲星是密度极大的中子星,其旋转被从伴星转移来的的物质大大地加快了。
First of all the reason of the pulsar dispersion and several popular de-dispersion algorithms are introduced.
首先介绍了脉冲星的色散形成原因以及几种当今流行的消色散算法。
And when this picture was made with Chandra X-ray Observatory, they discovered immediately that the pulsar also produces a jet.
用钱德拉射线观察站,做出这幅图后,他们立刻发现,中子星也会向外喷射。
Explore the Doppler effect in a binary pulsar system by downloading the "Pulsating Science" 3D visualisation software.
您可以下载一款名为“PulsatingScience”的3维可视软件来探索脉冲双星系统中的多普勒效应。
Or you could hop in a starship and cruise 4, 000 light years over to a dead star called pulsar J1719-1438.
或者,你可以乘上一艘星际飞船航行到四千光年以外的死亡星球--J1719-1438脉冲星。
A pulsar is a type of stellar corpse that emits powerful beams of radio waves from its poles.
脉冲星是一种恒星的残体,通过两级发射出强烈的脉冲波。
Such features are known as pulsar wind nebulas.
这种特征被称为脉冲星云。
The next step is to test whether there is a radio pulsar present in that data set on that (or a similar) orbit.
下一步是测试在这个轨道的数据集里是否存在脉冲星。
The pulsar super-resolution TOA algorithm based on stationary wavelet transform and fractional Fourier transform is proposed.
提出了一种基于平稳小波和分数阶傅立叶变换的脉冲星超分辨率TOA估计算法。
The comparisons between the frequency stabilities for atomic time and pulsar time are presented.
给出了毫秒脉冲星长期计时观测最新结果和脉冲星时与原子时频率稳定度的比较。
In these data sets, our pulsar search aims to find binaries with orbital periods longer than eleven minutes.
对于得到的数据集,我们所负责的脉冲星搜索,其目标主要是寻找轨道周期长于11分钟的脉冲双星。
And this object, this pulsar in the Crab Nebula is radiating copious amounts of x-rays, of gamma rays.
这个物体,这蟹状星云的脉冲星,辐射出丰富的x射线,以及伽马射线。
First of all, coordinate systems and time systems are introduced, and phase-time model of pulsar is analyzed.
论文首先介绍了坐标系统和时间系统,分析了脉冲星的相位时间模型;
Long? term stability of the ensemble pulsar time is obviously better than that of atomic time.
研究表明综合脉冲星时的长期稳定度明显优于原子时。
And Chandra made a picture very recently of the Crab Nebula, of the pulsar, and that's what I want to show you now.
钱德拉最近做了个,蟹状星云的图,中子星的图,我现在给你们看。
Finally, the minimum distance classifier is used to classify pulsar signals.
最后,采用最小距离分类器对脉冲星信号进行分类。
As of 2007, three extrasolar planets have been confirmed in orbit around this pulsar.
直至2007年,在这颗脉冲星周围轨道上已有三颗系外行星被确认。
An X-ray binary system has been formed, and the neutron star has made the crucial second step toward becoming a millisecond pulsar.
射线双星就这样形成了,于是这颗中子星就向成为毫秒脉冲星迈出了关键的第二步。
The limited sensitivity of present pulsar surveys and the greater frequency drift make the more distant pulsars difficult to observe.
目前脉冲星普查的有限探测灵敏度和大的频率漂移,使我们难以观测到更遥远的脉冲星。