航天器軌道 的英文怎麼說

中文拼音 [hángtiānqìguǐdào]
航天器軌道 英文
spacecraft orbit
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 軌 : Ⅰ名詞1. （路軌;軌道） rail; track 2. （比喻辦法、規矩、秩序等） rut; path; course Ⅱ動詞[書面語] （遵循; 依循） follow
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 航天 : space flight; spaceflight; aerospace航天導彈 space missile; 航天導航 aerospace navigation; 航天電...
  • 軌道 : 1 （供火車、電車等行駛的由條形鋼材鋪成的路線） track; pathway; rail; runway; circle; railway 2 （...
  1. Because it ’ s hard to get radiation - harden hardware overseas, so the software fault tolerance techniques are significant for our national space enterprise. the computer platform of 863 plan project ” micro intelligent free - flying space robotic system ” consists of cots component. the orbit and the radiation environment of the robot are similar to ones of the argos satellite, and the system is required to have high reliability. therefore it ’ s necessary to applied the software fault tolerance techniques into the system to improve the anti - radiation capability after the techniques been verified valid

    因為我國很難從國外獲得輻射加固的硬體，所以，這項軟體容錯技術對我國航天事業的發展具有較大意義。 863計劃項目「小型智能飛行機器人系統」所用的計算機平臺採用商用器件，其衛星的運行軌道與argos衛星軌道近似，面臨的輻射環境與argos衛星相似，要求具有高可靠性。因此，小型智能飛行機器人系統有必要在驗證sihft技術有效的基礎上，應用軟體容錯技術，提高其空間抗輻射能力。
  2. In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation

    在日月可見階段，模擬日、地、月敏感器測量信息，即日、地、月在航天器本體坐標系下的方位信息，結合日月星歷，建立狀態方程及觀測方程，通過最小二乘法得到歷元時刻的軌道狀態初始值，將其代入軌道狀態方程進行自主導航。
  3. The tdrss ( tracking and data relay satellite system ) is a system which can supply the data relay and tt & c ( telemetry tracking and command ) service for the aircraft which are low and middle earth orbit and other aircrafts, aircraft and earth station

    跟蹤與數據中繼衛星系統tdrss （ trackinganddatarelaysatellitesystem ）是為中、低軌道的航天器與航天器之間、航天器與地面站之間提供數據中繼、連續跟蹤與軌道測控服務的系統。
  4. Analysis and optimization design of tetrahedron formation spacecrafts in highly elliptic orbits

    大橢圓軌道航天器四面體編隊運動分析與設計
  5. 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。
  6. For example, it can be used to drag make - up and solar pressure cancellation of low orbit spacecraft, formation flying and precise positioning of small satellite, repos

    同時， mpt也可用於低軌道（ 300 500km ）航天器的大氣阻力補償，星際航行航天器的主推進，以及星座和小型衛星的編隊飛行和精確定位等，具有廣闊的應用前景。
  7. How many spacecrafts are orbiting the moon

    有多少航天器繞月球軌道飛行？
  8. The spacecraft is in orbit around the moon

    該航天器在繞月球軌道運行。
  9. The spacecraft is in orbit ( ie moving in orbit ) round the moon

    該航天器在繞月球軌道上飛行
  10. By means of the orbit dynamics theory and other knowledge, author established mathematical model related to collision forecast, including space object orbit confirming model, space objects relative movement model, dangerous object distinguishing model and space object collision geometry relation model, etc. according to the mathematic model, author calculated the relative distance transformation rule along with time between the spacecraft and dangerous debris and established early warning rule

    依據航天動力學理論和其他知識，建立了碰撞預警相關的數學模型，包括空間目標軌道確定數學模型、空間物體相對運動數學模型、危險物體判定準則數學模型和空間物體碰撞幾何關系數學模型等，根據數學模型計算航天器和危險目標的相對距離隨時間變化規律，設定了預警規則。
  11. Surface materials of the space inflatable structures would be influenced by vacuum thermo - cycling and vacuum ultraviolet ( vuv ) when the spacecrafts operated in low earth orbit

    在低地球軌道飛行的航天器，真空熱循環與真空紫外輻照等近地軌道空間環境成為影響空間充氣展開結構材料的重要因素。
  12. China has already successfully launched into orbit two manned space vehicles

    目前，中國已經成功把兩艘載人航天器送入太空軌道。
  13. Russia has taken tourists into space on conventional rockets and last year a company headed by noted u. s. pilot and aircraft designer burt rutan successfully launched its spaceshipone craft into low earth orbit - twice

    將旅遊者送入太空。去年，美國著名航空伯特魯坦創辦的公司也已經兩次成功地將「航天器一號」送入近地軌道。
  14. In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models

    本文對基於電動力纜繩的航天器離軌過程進行了深入研究，具體工作如下:首先，本文研究了電動力纜繩產生電動力拉力的基本原理，建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下，對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下，對受電動力纜繩作用的航天器的離軌過程進行模擬，分析了在不同精度地磁場模型下，航天器離軌過程中各軌道參數的變化情況，並比較了不同模型對離軌時間的影響。
  15. This paper mainly discuss the problem of method and policy of spacecraft ' s large scale orbital maneuver

    論文研究了航天器大范圍軌道機動的方法與策略。
  16. Aiming at the fact that more debris collision risks are to the low earth orbit spacecraft in the getting worse debris environment, this paper gives a set of feasible debris early warning method and maneuver strategy, by means of which spacecraft can adopt orbit maneuver, evade dangerous objects so as to improve viability under the control of ground command and control center

    本論文的研究是應對日益惡化的空間碎片環境對近地航天器造成的碰撞風險，提出一套可行的碎片預警方法和規避策略，使航天器在必要時刻，通過地面的指控，採取主動的軌道機動，躲避危險物體，從而提高生存能力。
  17. External srbs, orbital system engines, it ' s just like the shuttle you flew

    外置固態火箭推進器，軌道系統引擎和你飛過的航天飛機一樣
  18. Abstract : this paper has analyzed all kinds of perturbation forces affecting spacecraft in space in detail, and got the precise model of orbit calculation of spacecraft, and has set up the precise model of relative movement between two spacecraft in space rendezvous and docking

    文摘:本文較詳細地分析了航天器在空間所受的各種攝動力，得出了航天器空間軌道的精確計算模型，進而建立了空間交會對接中二航天器相對運動的精確計算模型。
  19. Such tdrss system can significantly reduce the use of ground - based monitors as well as increasing medium - low orbit coverage, hence enhance the efficiency of the usage of space along medium - low orbit. “ space target capturing and tracking ” ( stct ) is an important technique in data relay satellite system, and is the preliminary requirement to establish the space link. “ performance of analyzing and simulating on tracking receiver in data relay satellite capturing and tracking system ” plays an important role of stct

    數據中繼衛星系統是為中、低軌道的航天器與航天器之間、航天器與地面站之間提供數據中繼、連續跟蹤與軌道測控服務的系統，使用數據中繼衛星可以大量減少地面測控站的數量，增大對中、低軌道的覆蓋率，有效的利用中、低軌道資源。 「星間目標捕獲與跟蹤」是數據中繼衛星系統的一項關鍵技術，是建立星間鏈路的首要條件。
  20. The potential safety hazard of space debris and useless satellites to the normal operating satellites could not be overlooked. it is necessary to take practical measures to make space debris and useless satellites reentry into the earth ’ s atmosphere

    空間碎片以及廢棄衛星對在軌運行的航天器是一個不容忽視的重大安全隱患，因此需要採取一定的措施使空間碎片或廢棄衛星脫離原軌道而進入大氣層燒毀掉。
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