pulsar
美 [?p?lsɑr]
英 [?p?lsɑ?(r)] 
詞形變化
復數:pulsars
英漢雙解
1. | 脈沖星a star that cannot be seen but that sends out regular rapid radio signals |
英漢解釋
英英解釋
例句
But it's been mostly cannibalized by its pulsar companion, and is now just a shadow of its former self.
其大部分已被它的脈沖星同伴拆解,目前所見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.
蟹狀星云脈沖星的,質量和太陽不差太多。
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個脈沖星:一個中心星,它擁有和太陽類似的質量而只有一個小村莊那么大。
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.
因為我們不知道可能隱藏在數據集中的脈沖星的確切距離、自旋頻率和軌道參數。
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個脈沖星:一個中子星,它擁有和太陽類似的質量而只有一個小村莊那么大。
How can we tell the difference between the sound of the Sun and the sound of a pulsar?
我們如何區分太陽的聲音和脈沖星的聲音?
A pulsar is not a normal star, but a dense, rapidly spinning remnant of a supernova explosion.
脈沖星并不是一種正常的恒星,它是超新星爆炸后留下的高密度快速旋轉的殘余部分。
As the pulsar rotates, this beam sweeps the sky in the same way that a light house beam sweeps around the horrizon.
當脈沖星旋轉時,輻射來掃過天空,就像燈塔的光束繞地平面掃視那樣。
LEDs then began to appear as indicator lights in calculators and watches, including the famous digital Pulsar watch.
之后LED開始作為指示燈出現在計算器和手表上,包括著名的Pulsar數字手表。
In theory, the first step toward producing a millisecond pulsar is the formation of a neutron star when a massive star goes supernova.
理論上,形成一顆毫秒脈沖星的第一步,是一個大質量恒星在成為超新星而爆發后留下的中子星。
Astronomers have tracked the movement of a pulsar, making the first direct measurement of its impressive speed.
天文學家追蹤觀察它的運動,并且第一次直接測量出了它的驚人速度。
The position of the pulsar at the upper right end of the tail is seen by mousing over the image.
脈沖星在尾巴末端右上角的位置,可以通過仔細搜尋圖像查看到。
One of the neutron stars is a pulsar; it emits radio pulses at regular intervals as it spins 45 times per second.
其中一顆為脈沖星,該脈沖星以每秒45周的旋頻率向宇宙中發射有規律的無線電波。
Moreover, we get a set of pulsar binaries with known sky positions and orbital parameters.
進一步,我們能夠知道一些有確切位置和軌道參數的脈沖雙星。
Such "pulsar glitches" likely result from brief interactions between the neutron star's solid crust and superfluid interior.
這種“脈沖星故障”很可能源于中子星堅硬的地殼與超流內部的短暫作用。
That the observed X-rays might originate from residual internal heat of this 50 million year-old pulsar was also ruled out.
觀測到的X射線可能源自這個5千萬年的脈沖星剩余的內部熱量同樣也被排除了。
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.
那顆快速自轉的恒星是脈沖星,是重恒星爆炸并塌陷后遺留下來的超密度物質團。
XMM-Newton has, for the first time, detected signals from both stars of a binary pulsar system in X-rays, unveiling a scientific goldmine.
牛頓首次探測到來自兩顆星都是脈沖星的雙星系統的X射線,揭開了一座科學金礦。
This star is clearly not the pulsar as it is about equally bright on both exposures.
這顆星很明顯不是,中子星,因為它幾乎,在兩次曝光中一樣亮。
The pulses appear to speed up and slow down slightly as the pulsar swings around its companion.
該脈沖星發出脈沖信號的頻率在它圍繞它的同伴旋轉是顯示出輕微的異動。
There is one other possible explanation for what scientists have seen: They could be watching the birth instead of a pulsar wind nebula.
對于科學家的最新觀察結果,還有其他解釋:他們所看到的或許只是一個“脈沖星風星云”的誕生。
A millisecond pulsar is a super compact neutron star, whose spin is highly accelerated by mass transferred from a companion star.
毫秒脈沖星是密度極大的中子星,其旋轉被從伴星轉移來的的物質大大地加快了。
First of all the reason of the pulsar dispersion and several popular de-dispersion algorithms are introduced.
首先介紹了脈沖星的色散形成原因以及幾種當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.
用錢德拉射線觀察站,做出這幅圖后,他們立刻發現,中子星也會向外噴射。
Explore the Doppler effect in a binary pulsar system by downloading the "Pulsating Science" 3D visualisation software.
您可以下載一款名為“PulsatingScience”的3維可視軟件來探索脈沖雙星系統中的多普勒效應。
Or you could hop in a starship and cruise 4, 000 light years over to a dead star called pulsar J1719-1438.
或者,你可以乘上一艘星際飛船航行到四千光年以外的死亡星球--J1719-1438脈沖星。
A pulsar is a type of stellar corpse that emits powerful beams of radio waves from its poles.
脈沖星是一種恒星的殘體,通過兩級發射出強烈的脈沖波。
Such features are known as pulsar wind nebulas.
這種特征被稱為脈沖星云。
The next step is to test whether there is a radio pulsar present in that data set on that (or a similar) orbit.
下一步是測試在這個軌道的數據集里是否存在脈沖星。
The pulsar super-resolution TOA algorithm based on stationary wavelet transform and fractional Fourier transform is proposed.
提出了一種基于平穩小波和分數階傅立葉變換的脈沖星超分辨率TOA估計算法。
The comparisons between the frequency stabilities for atomic time and pulsar time are presented.
給出了毫秒脈沖星長期計時觀測最新結果和脈沖星時與原子時頻率穩定度的比較。
In these data sets, our pulsar search aims to find binaries with orbital periods longer than eleven minutes.
對于得到的數據集,我們所負責的脈沖星搜索,其目標主要是尋找軌道周期長于11分鐘的脈沖雙星。
And this object, this pulsar in the Crab Nebula is radiating copious amounts of x-rays, of gamma rays.
這個物體,這蟹狀星云的脈沖星,輻射出豐富的x射線,以及伽馬射線。
First of all, coordinate systems and time systems are introduced, and phase-time model of pulsar is analyzed.
論文首先介紹了坐標系統和時間系統,分析了脈沖星的相位時間模型;
Long? term stability of the ensemble pulsar time is obviously better than that of atomic time.
研究表明綜合脈沖星時的長期穩定度明顯優于原子時。
And Chandra made a picture very recently of the Crab Nebula, of the pulsar, and that's what I want to show you now.
錢德拉最近做了個,蟹狀星云的圖,中子星的圖,我現在給你們看。
Finally, the minimum distance classifier is used to classify pulsar signals.
最后,采用最小距離分類器對脈沖星信號進行分類。
As of 2007, three extrasolar planets have been confirmed in orbit around this pulsar.
直至2007年,在這顆脈沖星周圍軌道上已有三顆系外行星被確認。
An X-ray binary system has been formed, and the neutron star has made the crucial second step toward becoming a millisecond pulsar.
射線雙星就這樣形成了,于是這顆中子星就向成為毫秒脈沖星邁出了關鍵的第二步。
The limited sensitivity of present pulsar surveys and the greater frequency drift make the more distant pulsars difficult to observe.
目前脈沖星普查的有限探測靈敏度和大的頻率漂移,使我們難以觀測到更遙遠的脈沖星。