軌道模擬器 的英文怎麼說

中文拼音 [guǐdàomónǐqì]
軌道模擬器 英文
orbital simulator
  • 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） ...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 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 （...
  • 模擬器 : emulator
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. 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。
  2. 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。
  3. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面，應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程，兩相之間的質量、能量交換由液滴蒸發模型計算，氣相化學反應速率由arrhnius公式計算，通過耦合求解氣液兩相模型方程，模擬了燃燒室三維流場，得到了燃燒室內的溫度和組分濃度分佈。
  4. The unscented kalman filter is used to estimate the probe position, velocity and un - model acceleration, which improves the orbit estimation accuracy and ensures the stability of navigation algorithm

    數學模擬結果表明，提出的導航方法是可行的，能夠滿足月球探測器奔月與繞月軌道段導航精度的要求。
  5. 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。
  6. 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。
  7. Certain discrepancy remain between the simulation results and the experiment results, not only caused by the turbulent model, but also by the simplification of the inlet boundary condition and the mesh generation. modeling gas - particles interaction flows is complex. in this thesis, gas - phase transport equations coupled with the gas - particle interaction are derived based on the dsm turbulent models to handle the interaction of momentum and kinetic energy of turbulence between the gas and particles

    分離器內的固體顆粒運動採用涉及湍流擴散影響的隨機軌道模型和確定軌道模型，同時在湍流模型中加入了顆粒影響的源項，在流場計算的基礎上，模擬了不同直徑的顆粒在分離器內的運動規律及顆粒分離效率，並同理論和實驗得到的數據進行了比較。
  8. Solar array simulator is programmed in labview to simulate the running condition of satellite ( such as sun angle, shadow time, orbit and so on ). electronic load is programmed in labview to simulate the running condition of satellite load. by data collecting and processing, satellite power engineers can monitor and evaluate working condition of satellite power system

    該測試評估系統應用labview軟體對太陽能電池陣列模擬器進行編程，模擬太陽能電池在空間各種狀態下（軌道、光照角、進出陰影等）的情況；對電子負載進行編程，模擬衛星負載的各種變化（平均負載、短期負載和脈沖負載）情況，信號採集和數據處理單元在測試評估系統運行過程中記錄電源系統各組成部分的工作參數，據此對衛星電源系統進行測試和評估。
  9. 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。
  10. 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
  11. Then, the beam orbit correction in bepcii lianc is simulated by optimum liar program and a design study on the optimum orbit correction system for bepcii linac is discussed. the optimum corrector ' s distribution and the required tolerances of misalignment of the linac components are given

    最後用改進了的liar程序對bepc直線加速器軌道進行模擬計算，討論了該校正系統的設計研究，並給出了軌道校正系統的優化布局和對加速器部件的安裝公差的要求。
  12. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計，該航跡產生器是研究組合導航問題的前提，從國外一些研究組合導航系統的文獻中可以看出，設計這樣一個航跡產生器是非常必要的，所以本文自行設計了這樣一個系統；還討論了捷聯慣性導航系統中捷聯解算的方法，並進行了模擬研究，由於在本文設計的閉環反饋式組合導航系統中，對捷聯慣導系統的平臺誤差進行閉環控制，需要將濾波器輸出的校正量反饋到捷聯解算內部，所以必須對捷聯解算進行深入的研究和分析，更何況捷聯解算問題本身也是導航界的一個熱門研究課題；另外，本文還介紹了gps軌道及其星座模擬的設計思想和方案，與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始，逐步進行gps軌道及其星座模擬，這樣的設計方法對從事衛星導航的研究工作是有價值的；還對組合導航中誤差建模方法進行了研究，綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法，並運用實際研究工作中的測量數據對該方法進行了驗證。
  13. Thus we need set up a simpelized model of magnetic suspension system at first. then we should think about models with rigid bodies and rigid but excited railway and at last to set up integrate models with rigid vehicle, elastic guide way beam and control system of suspension and guidance

    因此在建模及模擬分析中側重針對懸浮控制器的研究，先建立簡化懸浮系統模型，然後考慮剛性車體、剛性但軌道有激擾的模型，最後建立剛性車體、彈性軌道梁和懸浮導向控制系統的綜合模型。
  14. By means of the proposed reinforcement learning algorithm and modified genetic algorithm, neural network controller whose weights are optimized could generate time series small perturbation signals to convert chaotic oscillations of chaotic systems into desired regular ones. the computer simulations on controlling henon map and logistic chaotic system have demonstrated the capacity of the presented strategy by suppressing lower periodic orbits such as period - 1 and period - 2. meanwhile, the periodic control methodology is utilized, the higher periods such as period - 4 can also be successfully directed to expected periodic orbits

    該控制方法無需了解系統的動態特性和精確的數學模型，也不需監督學習所要求的訓練數據，通過增強學習訓練方式，採用改進遺傳演算法優化神經網路權系數，使之成為混沌控制器，便可產生控制混沌系統的時間序列小擾動信號，模擬實驗結果表明它不僅能有效鎮定混沌周期1 、 2等低周期軌道，而且在周期控制技術基礎上，也可成功將高周期混沌軌道（如周期4軌道）變成期望周期行為。
  15. This way a game could take the feed of telemetry data from racing cars and the trackside sensors in a nascar event and use them to simulate the actual event, without needing to understand how to interface with that particular telemetry feed

    用這種方法，游戲可以從賽車的遙感數據和nascar事件中軌道旁的傳感器作為輸入，並用它們來模擬真實的事件，而不需要理解如何與一個特定的遙感數據連接。
  16. Analogue head transmitter for resistance thermometer pt100 or thermocouple rail version

    模擬頭部式傳送器，用於電阻溫度計pt100或熱電偶軌道式
  17. In this dissertation, missile ’ s states in the boost phase and trajectory parameters estimate algorithms are studied by using angles of arrival measurement from space - based infrared sensor, and the availability and precision is validated through simulation

    本文主要利用地球同步軌道的預警衛星敏感器探測的目標視線角測量，對導彈主動段運動狀態和彈道參數估計演算法進行了研究，並通過模擬驗證了方法的有效性和可行性。
  18. Secondly, the beam orbit offset effects caused by the initial beam offset and the linac components " offsets have been quantitatively studied first. as an example with the injector linac for beijing electron positron collider upgrading project ( bepcii ), the beam orbit offset caused by the above error effects have been simulated and analyzed

    其次定量研究束流的初始徑向誤差和加速器部件的安裝誤差等對束流軌道偏軸的影響，並以北京正負電子對撞機二期工程（ bepc ）的直線加速器為例，給出了上述各種誤差導致軌道偏軸的模擬計算結果及其分析。
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