測時星 的英文怎麼說
中文拼音 [cèshíxīng]
測時星
英文
clock star- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 星 : 名詞1 (夜晚天空中閃爍發光的天體) star 2 [天文學] (宇宙間能發射光或反射光的天體) heavenly body...
- 測時 : time study測時分辨力 time measuring resolution; 測時計 time meter; holologe; chronometer; 測時術 ...
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Spinning damsel and cowherd are the famous stars vega and altair respectively. in chinese mythology, they were tragic lovers separated by the milky way and could only meet once in a year
只要轉動星圖上的圓盤對準觀測時的日期和時間,圓盤內所顯示的就是香港當時可見到的星空。The opposition of jupiter occurs roughly every 399 days. jupiter and the great red spot on its surface can be observed a few weeks before and after the opposition of jupiter. it will also be a good time to observe jupiter s four largest satellites, namely io, europa, ganymede and callisto. a telescope with a magnification of 40 times or above is recommended to observe jupiter
木星沖前後數星期都會是觀測木星及其表面大紅斑的理想時間,觀星人士亦可觀測木星最大的四顆衛星,分別為木衛一艾奧、木衛二歐羅巴、木衛三加尼未及木衛四卡利斯托。Basic equipment includes a star - map, a red torch, a deck chair and a sleeping bag or blanket
觀測時的基本設備包括星圖紅光電筒地席或摺椅You should bring along with you a star - map, a red torch, a deck chair and a sleeping bag or blanket
觀測時的應帶備星圖紅光電筒地席或摺椅。This animation shows a conceptual sketch of mercury ' s magnetosphere at the time of the messenger flyby
這個動畫是信使號探測船探測水星磁層時的模擬圖。By sheer coincidence, a trio of earth - monitoring satellites gave modelers the pristine, undistorted wave heights they needed for the indian ocean tsunami
十分巧合的是,有一組地球觀測衛星提供了最原始且如實的海嘯波高值,這是模型設計師模擬印度洋海嘯時不可或缺的。Put down the name of the observer, the place and time of observation, duration of observation, cloud cover, the sky s limiting magnitude the magnitude of the faintest star you can see with the naked eye and the number of meteors observed on the data sheet
流星雨的觀測資料,只要清楚註明觀測者姓名觀測地點觀測時間觀測長度雲量最暗可見星等及流星數目,便已經是一份十分有科學價值的觀測記錄了,很簡單,對嗎?With the three - dimensional ray - tracing program, the simulation of leo - gps occultation is given. the radio path of occultation observation is simulated, and then the excess phase delay is calculated. this work can be used for studying the effects of the neutral atmosphere and ionosphere on the occultation observations and evaluating the performance of the inversion techniques
本文介紹了無線電掩星技術的發展狀況和基本原理,圍繞無線電掩星技術及其應用研究展開諸多研究和探討,主要工作內容如下: 1 、利用全球三維射線追蹤程序,開展leo - gps掩星觀測的模擬研究,以計算掩星觀測時電波傳播路徑、計算大氣引起的附加相位時延等。Navstar - navigation satellite timing and ranging
導航衛星測時測距The small chinese satellite will explore mars while the russian craft will land on phobos to explore the environment and scoop up soil samples
這顆中國小衛星將探測火星,而俄國探測器則同時在「火衛一」上著陸以探測環境及收集泥土樣本。Two methods to position one fixing object are discussed, one makes use of data observed in one single time, the other makes use of data observed in one period of time
本文討論了三星時差定位星座對固定目標定位的兩種定位方法:利用單個觀測時刻數據的定位和利用多個觀測時刻數據的定位。A meteor shower becomes a meteor storm when the meteors hourly rate reaches several hundreds per hour. at this time, you can shorten the time of observation to 5 or 10 minutes, while the region of the sky being monitored can be reduced. these changes should also be specified on the record sheet
若在流星雨出現時,每小時的流星數目多達數百顆,稱為流星暴,這時觀測時間的長度可減至5到1 0分鐘,而觀測天區的面積也可相對地減少,這些變化也應標明於記錄表上。The mission also included geological experiments in the area around the volcano and testing a two - wheeled vehicle called " marvin, " which may be used in future mars missions
原計劃還包括在該火山地區進行地址勘測,以及測試一種名叫" marvin "的兩輪運輸車,這種車是為日後在火星進行勘測時使用而設計的。Despite the recent advances in the theory of prediction, the time and number of meteors at the maxima may still have substantial deviation. for those who would like to perform scientific observation, it is advised to keep watchful eyes on the sky 1 to 2 days before and after the predicted maxima
雖然近年預測流星雨的理論進步不小,但在時間和數量上仍可能存在較大的誤差,故此有志進行科學觀測的朋友應于極大期前後1至2天均作觀測。In chinese mythology, they were tragic lovers separated by the milky way and could only meet once in a year
只要轉動星圖上的圓盤對準觀測時的日期和時間,圓盤內所顯示的就是香港當時可見到的星空。Interested observers may consider observing saturn, preferably with a telescope with 30 times or above magnification
有興趣的人士可考慮對土星進行觀測,觀測時如配備三十倍或以上望遠鏡效果將較理想。All the major crane manufacturers have been devoted to solving these problems ; few ideal resolutions have been obtained yet. though. with the development of gps technology. some tentative new methods to deal with such problems are made possible. this paper probes into how to apply gps technology - global position system with the function of measuring time and distance by use of navigation satellites into integrated container rtp
各大製造廠長期以來致力於這些問題的研究,但效果似乎並不理想。 gps的誕生及技術性能的提高為輪胎吊這些問題解決提供了新的方法。 gps的含義是利用導航衛星進行測時和測距,以構成全球定位系統,本文就gps在集裝箱rtg上的應用進行探索和研究。The nasa budget announced in february mows down a scarily long list of science missions, from a europa orbiter to a space - based gravitational - wave observatory
2月時所宣布的nasa預算中,刪除了多到恐怖的一大堆科學任務,包括了木衛二軌道船與一項重力波觀測衛星計畫。Black holes are invisible by definition, yet the gas and dust falling into a black hole are heated to high temperatures and glow furiously. if there is a companion star orbiting around a black hole, astronomers can investigate the central black hole by examining the accreting matters from the nearby companion star
顧名思義,黑洞漆黑一片,目不可見,但其實那些墮入黑洞的氣體和塵埃,會因受熱而發出熾烈的光芒,因此假如黑洞有伴星的話,天文學家便可透過觀測伴星物質流入黑洞時所形成的吸積盤,對中心的吞噬者進行研究。Secondly, aiming at measurement being only from one satellite and the ekf being not stable, the measure equation is improved. transforming the form of angle measurements by the imaging theory, linearization of measure equation is realized by fake data of measurement. parameter of ballistic missile trajectory is estimated by using ekf, and the simulation shows that the unstabilization problem of ekf with true measurements is solved by using ekf with fake measurements
在僅有一顆預警衛星能夠觀測到目標的情況下,針對擴展卡爾曼濾波不穩定的問題,對觀測方程進行改進,利用光學成像系統的原理,將測量量進行變換,並利用新生成的偽測量量使測量方程線性化,再利用擴展卡爾曼濾波演算法對目標的彈道參數進行估計,最後,通過數學模擬來證明利用偽測量量的擴展卡爾曼濾波解決了單顆衛星觀測時利用真實測量量的擴展卡爾曼濾波不穩定的問題。分享友人