orbit time 中文意思是什麼
orbit time
解釋
軌道時間-
It can realizes historical data repeat, time field analysis, spectrum analysis, time delay field analysis, axis orbit analysis, digital filter, corelation analysis, holographic spectrum analysis, demodulation analysis, fft delicate analysis and so on
能實現歷史數據回放分析、時域分析、頻域分析、時延域分析、軸心軌跡分析、數字濾波、相關分析、全息譜分析、解調分析及fft細化分析等功能。 -
For example, if there is a planet orbiting around the neutron star, it will wobble a little and the pulses will come a little early or late. we can then deduce the mass and the radius of the orbit of the planet from the arrival time of the pulses. this is how the first extrasolar planet is discovered
例如假若有一顆行星圍繞一顆中子星運行，它會令中子星出現搖動，引致脈沖的間隔變長或短，由此我們根據脈沖周期的變化，可推斷出行星的質量和軌道半徑，這亦是天文學家找出第一顆地外行星時所用的方法。 -
The thesis is based on income question, forest coverage rate and grop production. to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan - bei district, and then in view of the fact, seven esential factors which have influence on the project are found out : expense of dam, expense of crop, expense of cash tree, expense of defense tree, other economic crop, expense of grass and graziery ; and the output factors include : income of gdp, pure income per captia, the area of decreasing land loss, graziery income, crop production, income of tree, the totle income of economic crop. after the date of each facts are puted into dea model, unefficiencial decision making units ( dmu ) found. the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure. at the same time, taking into account some possible problems in or after grain for green in shan - bei district, the thesis bring out some propesal to improve the circ umstance, enhance the life level and put the relation of population, resource and circumstance into a healthy orbit
因此，加快退耕還林還草，調整土地利用結構和產業結構，已成為實現山川秀美工程和可持續發展戰略的必經之路。論文以解決陜北地區的收入問題，植被問題以及糧食產量問題為出發點，首先從理論上分析了包絡分析方法在陜北地區退耕還林（草）中運用的可行性，然後結合陜北地區目前的實際情況，綜合分析出影響陜北地區退耕還林（草）的關鍵的七個因素作為輸入指標：水利水保設施投入，農作物投入，經濟林種支出，防護林支出，其它經濟作物，草類支出，畜牧業投入；以退耕還林所要解決的最終問題作為輸出指標： gdp收入、農民人均純收入、水土流失減少量、牧業總產值、糧食產量、林業總產值、其他經濟作物總產值。將各指標所對應的數據代入模型后，通過分析求解得出非有效的決策單元，再運用包絡分析方法的一些基本原理對非有效的決策單元進行調整，由此所得的數據對陜北地區的實際投入具有很好的指導意義。 -
Based on the characteristics and performance parameters of hj - 1c small satellite and its sar remote sensor, the novel task, to propose the on - orbit test contents and methods for the sar images, is explored for the first time
本論文的成果在於，根據hj - 1c小衛星及其sar遙感器的特點及性能參數，初步論證了hj - 1c星載s波段sar在軌測試內容和方法。 -
Both clocks aim to measure with 99. 99997 percent accuracy how much the microgravity of low - earth orbit slows time compared with measurements made on the ground
這兩座鐘的目標都是要以99 . 99997 %的精確度，去測量低軌道所受的微重力（較之於地球表面）會使時間變慢多少。 -
Low earth - orbit satellites have become indispensable for u. s. military communications, gps navigation for smart bombs and troops, and for real - time surveillance. the chinese test highlights the satellites ' vulnerability
低地衛星對美事通訊、 gps導航及制導，和實時偵察至關重要。中國這次試驗凸現了衛星的脆弱性。 -
Low earth - orbit satellites have become indispen * * * le for u. s. military communications, gps navigation for smart bombs and troops, and for real - time surveillance. the chinese test highlights the satellites ' vulnerability
低地衛星對美國軍事通訊、 gps導航及制導，和實時偵察至關重要。中國這次試驗凸現了衛星的脆弱性。 -
Low earth - orbit satellites have become indispensable for u. s. military communications, gps navigation for smart bombs and troops, and for real - time surveillance. the chinese test highlights the satellites vulnerability
低地球軌道衛星對美國軍事通訊、精確炸彈和士兵的gps導航及制導和實時偵察至關重要。中國這次試驗凸現了衛星的脆弱性。 -
In the first, this article introduces the knowledge of orbit designing, then this article summarizes the basic methods and principles of orbit designing. in the later, this article describes the conception of node period about orbit designing emphatically which has been advanced by the writer. at the same time, this article describes the process of the writer ' s analysing and designing the orbit of earth spying satellite particularly with the conception. in the last, this article describes the wirter ' s analysing and simulating the designing results
本文首先介紹了軌道設計的基本知識，然後總結了軌道設計的基本的方法和原則。在隨後部分重點對衛星軌道設計中交點周期的概念提出了自己的看法，同時應用此結果詳細分析和設計了對地偵察衛星的太陽同步回歸軌道，最後對此設計結果進行詳細模擬分析。 -
If the field changes slowly, we can replace the time integral by a line integral over the unperturbed orbit.
如果場緩慢改變，我們能夠用未擾動軌道的線積分來代替時間積分。 -
The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal
為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響，模擬和分析分為以下四個部分:首先，研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題，研究表明，追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性，而對于兩航天器軌道共面的情況下，初始相位角相等時則獲得最佳的機動效果。 -
Then, the chaser ' s two orbit roots are selected as variable and visualizing the simulation by contour plot. this part of research draws the conclusion the same as the first part when the target ' s orbit is circular orbit, while the selected two variable can be wildly changed if the target ' s orbit is elliptical orbit. next, wait time before orbit maneuver is simulated
其次，利用可視化的等值線圖研究了追蹤器軌道兩個參數為變量的情況下大范圍軌道機動問題，分析表明對圓軌道目標器交會機動時，追蹤器軌道根數不宜與目標器軌道根數相差過大，而對橢圓軌道目標器交會機動時，追蹤器軌道根數可選范圍較大，機動策略和方法富於彈性。 -
Based on the theory of software architecture, the hierarchical structure is used for designing the software system because the aocs demands real - time and high reliability. the integrated environment for software cross - development of vxworks is used for simulating the schedule of several multi - tasks, the managing of work mode and the communication among the modules. an approach of software architecture for the attitude and orbit control system of satellite is developed in this paper, which is based on a deep study and analysis of modern software techniques
本文運用軟體體系結構的理論，通過對多種軟體體系結構的分析比較，針對衛星姿軌控系統實時、高可靠、復雜等特點，採用層次結構方案進行了體系結構設計，並運用實時操作系統vxworks的集成開發環境，完成了姿軌控系統多任務調度管理、工作模式管理和應用模塊間相互通信的模擬實踐。 -
In this paper, we studied the deterministic mechanism of isi with the unstable period orbit ( upo ) ; we tested many isi data from different model with the method of approximate entropy ( apen ) to study the method which is used in testing the degree of complicacy of isi and we built up a system including hardware and software for our lab to view and record action potential, firing frequency and isi in real time. results 1. spontaneous firing patterns were observed from neurons of supraoptic nucleus ( son ) in hypothalamus with the method of patch clamp
本研究通過對大鼠視上核神經元自發放電的非穩定周期軌道的計算，討論了isi的確定性問題；利用近似熵的方法對多種神經放電的isi資料進行了復雜度的測量，討論了這種方法在isi的復雜度測量第四軍醫大學碩士論文中的應用；另外，還開發出一套記錄原始放電和isi的程序，解決了採集isi的問題。 -
Soon light - weight phones outfitted with high - resolution screen ? which can be embedded in everything from wristwatches to palm - held units ? will be connected to series of low orbit satellites enabling people to talk, send and receive e - mail, or take part in video conferences any time, anywhere
譯文：不久以後，裝有高清晰度屏幕的輕型電話? ?這種電話能安裝在從手錶到手持裝置等任何東西上? ?降雨一系列低軌道衛星相連，使人在任何時間和任何地點都能交談、發送和接收電子郵件或參加電視會議。 -
It due to enter the moon ' s orbit in about a week ' s time and should bring back pictures of the planet surface by the end of november
預計衛星將在1周后進入月球軌道，並且應該會在11月底發回月球表面的照片。 -
Add the butter into the rounded part such as the slip board, bearing, wheel, orbit in the fixed time
下模滑板、壓桿軸承、偏心輪及導柱、導軌等傳動部位定期加黃油，以保證機器的使用性能。 -
An electron moving in an excited orbit stays there only for a very short time.
電子在激發態軌道上只能逗留很短的時間。 -
They found that the shuttle ' s orbit time could be extended by 25 days, and reckoned that, with a second shuttle on stand - by in case crew needed rescuing, the risk was acceptable
他們發現太空飛梭的軌道時間可以延長25天，並且一致認為:如果在第二個太空飛梭能夠輔助於左右，以防宇航員需要救助，那麼這一任務的危險性還是可以接受的。 -
It is orbiting a star called gliese 876, 15 light years from earth, with an orbit time of just 1. 94 earth days
這顆行星圍繞著一顆名為「格里斯876 」的恆星運轉，該恆星距地球15光年，繞軌道運行一周的時間約為地球上的1 . 94天。
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