軌道飛行器 的英文怎麼說
中文拼音 [guǐdàofēihángqì]
軌道飛行器
英文
lro- 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) ...
- 飛 : Ⅰ動詞1 (鳥、蟲等在空中活動) fly; flit 2 (利用動力機械在空中行動) fly 3 (在空中飄浮遊動) fly...
- 行 : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
- 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 (...
- 飛行器 : aerobat; air vehicle; beast; bird; flight vehicle
- 飛行 : flight; flying; aviate; voyage; volitate; hop
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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。The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained
本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型,以捕獲半徑的圓域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態變量的起點,對時間進行倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略時相對運動的軌跡和推力。The launcher and vehicle are then transported to the firing pad by a crawler.
發射器和飛行器由一個爬行軌道送到點火臺。Then the launcher and vehicle are transported to the firing pad by a crawler.
然後,發射器和飛行器由一個爬行軌道送到點火臺。As a two-stage vehicle, the saturn i had full orbital capability for a variety of payloads.
作為一個兩級飛行器的「土星」具有可將不同有效載荷送入軌道的能力。According to purpose of the towed flight, a new trajectory consisting of taking off, climbing phase, level flight phase is presented with. trajectory pitch angle of the towing plane is optimized. according to the flight law of the towing plane, the fin deflection angle and amplification coefficient of particle - system trajectory of carrier rocket are designed, in order to realizing flight steadily of the carrier rocker
根據牽引飛行的目的,對載機應用了「起飛?爬升?平飛」的變軌道飛行方案,同時對載機軌道的傾角、傾角變化規律進行優選設計;再根據載機的飛行規律,對運載器質點系軌道的舵偏規律及其放大系數進行了設計計算,實現運載器穩定牽引飛行。How many spacecrafts are orbiting the moon
有多少航天器繞月球軌道飛行?They would inflict no lasting damage to spacecraft and create no debris in orbit
這些陸基系統不會對空間飛行器造成持久性的傷害並且不會在軌道上生成碎片。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。The main function of orbit calculation is to simulate the flight procedure of spacecraft, before that, the dynamics model of orbit must be established
軌道計算主要用來模擬飛行器的飛行過程,前提是建立動力學模型。由於空間問題的復雜性,造成了動力學模型的多樣性。The orbit simulation program mainly concentrates on orbit calculation. this thesis first introduces the fundamental knowledge of orbit dynamics, including orbit perturbation and spacecraft attitude control
軌道模擬程序核心部分是軌道計算,本文首先介紹了軌道動力學基礎,包括軌道攝動問題,以及飛行器姿態控制等基礎知識。The two viking orbiters made maps of much of the surface
兩個海盜號軌道飛行器繪制出了火星大部分表面的地圖。We recognize our globe in open space, a spaceraft in orbit, no atlas and no turtles to support it
我們發現我們的星球是在廣漠的宇宙之中,就像在軌道上運動的飛行器一樣,沒有什麼擎天神和烏龜在支撐著它。An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process
飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力When escape system is activated, the grille wings at the upper fairing will open, supporting frame will pick up the orbit and returning modules, the lock between the returning and propelling modules will release, the lock between the upper and lower fairings will release, escape rocket will be ignited and finally pull the escape flight vehicle away from the rocket
該系統由逃逸塔和上部整流罩組成,逃逸系統加上飛船的軌道艙和返回艙構成逃逸飛行器。當需要逃逸時,上部整流罩上的柵格翼打開,支撐機構夾住飛船軌道艙和返回艙,然後返回艙與推進艙解鎖上下整流罩解鎖逃逸發動機點火,逃逸飛行器飛離運載火箭。Taking account of the perturbation of the earth ’ s shape, the gravitation of the sun and the moon, the radiation pressure from the sun light and atmosphere drag, a precise orbital dynamic model of spacecraft is established in the equatorial geocentric inertial coordinate system ( j2000 )
考慮了地球形狀攝動、日-月引力攝動、太陽輻射壓力和大氣阻力因素對飛行器的影響,在地心赤道慣性坐標系下建立了精確的軌道動力學模型。Rendezvous means that two or more spacecrafts meet in space on preconcerted site and time. docking indicates that two spacecrafts are connected each other in the mechanical structure after meeting in the space orbit
交會是指兩個或兩個以上的飛行器在空間軌道上按預定位置和時間相會,對接是指兩個飛行器在空間軌道上相會后在機械機構上連成一個整體。Two spacecraft ’ s rendezvous technology in coplanar near - earth orbit with maneuvering target, based on the sight coordinate system is presented in this paper. differential games guidance law ( dggl ) and proportional navigation ( pn ) are studied
本論文研究了近地共面軌道兩空間飛行器在目標機動下的在軌交會技術,分別對微分對策制導律和比例導引制導律兩種制導方法進行了研究。The global debate over weaponising space is not new, but the international community has been ineffectual in reaching consensus on how to ban all weapons from orbit and prevent spacecraft from being tar * * ed
關于太空武器化的全球辯論已經不是新鮮事了,但國際社會關于如何在軌道上禁止各種類型的武器以及防止將太空飛行器作為進攻目標等方面的努力卻一直未能形成一致意見。The global debate over weaponising space is not new, but the international community has been ineffectual in reaching consensus on how to ban all weapons from orbit and prevent spacecraft from being targeted
關于太空武器化的全球辯論已經不是新鮮事了,但國際社會關于如何在軌道上禁止各種類型的武器以及防止將太空飛行器作為進攻目標等方面的努力卻一直未能形成一致意見。分享友人