軌道推算 的英文怎麼說

中文拼音 [guǐdàotuīsuàn]
軌道推算 英文
ephemeris generation
  • 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） ...
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 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 （...
  • 推算 : calculate; reckon; reckoning; prediction; calcu-lating
  1. In order to calculate the orbit of the satellite, we established satellite movement model based on celestial mechanics and spaceflight dynamics

    為滿足衛星軌道遞推計算需要，根據天體力學、航天動力學理論，建立起二體條件下的衛星軌道動力學模型。
  2. It also gave a reference federation model of the satellite passing data analysis simulation application ; 2, by using a tool named kd - rti, it constructed this simulation system based on hla, and realized the simulating function of the system in the condition of local net ; 3, it realized the output of the satellite data report in stk by connecting the output module of stk with rti, and makes the whole federation run synchronically ; 4, in allusion to the magnitude calculation module of the satellite at present, it realizes initially the dating calculation of the exact size of the magnitude when the satellite passes territory ; 5, it finished the data - writing, data - keeping and data - analyzing when the satellite pass territory simulate, it also concluded a reference data - analyzing report for the operators according to the outcome of the analysis

    3 、通過衛星工具包軟體stk介面模塊stk / connect和rti的連接，實現了stk中衛星數據報告的輸出，並且通過hla的管理控制機制達到了對stk場景推進的控制，使其和整個聯邦運行同步。 4 、針對目前衛星的星等計算模型進行了研究，初步實現了對衛星過境時星等大小的估算。 5 、完成了對衛星過境模擬時的軌道數據的實時記錄、保存和分析，對分析結果給出了能夠給實際操作人員提供參考的各種數據分析報告和數據圖表。
  3. On the basis of time interval calculate formula which has been deduced, this paper offers the recommended length of digital signal orbital circuit in the condition of the minimal of the time interval

    本文在推導出列車安全間隔時間計算公式的基礎上，提出了基於最小列車安全間隔時間的數字軌道電路長度的推薦值。
  4. It also calculates theoretically the minimal time interval between two trains in quasi - moving - block signaling system and recommends approximate values for the length of coded digit track circuit. the rapid development of urban rail transit demands a deep understanding on the features of track circuit

    在此基礎上，針對當前應用廣泛的基於數字軌道電路的準移動閉塞atc系統進行了重點分析，詳細討論了數字軌道電路的原理、準移動閉塞系統的列控方式等內容，並對準移動閉塞下的最小列車追蹤間隔時間進行了理論計算和分析，給出了數字軌道電路長度的推薦值。
  5. 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
  6. On the basis of the brief introduction about the foundation and characteristics of moving - like block, this paper makes detailed discussion about the safety time interval between two trains, offers computation formulas, lists some calculation results and analyzes them

    本文在簡略介紹準移動閉塞特點的基礎上，推導出了城市軌道交通工程項目設計中移動閉塞、常規自動閉塞和準移動閉塞的列車安全間隔時間計算公式，並根據本文得到的計算結果提出準移動閉塞中定位單元長度的優化設計推薦值及有關結論。
  7. Selecting the image elements of earth and moon centers as observed quantity, measurement noise model and observed equations of autonomous navigation system are built up. the spacecraft orbit is determined by using the recursive weighted least square based on ud factorization

    在奔選取地心和月心像素作為觀測量，建立了符合實際情況的量測噪聲模型和自主導航系統的觀測方程，並利用基於ud分解的遞推加權最小二乘演算法估計了奔月探測器的軌道參數。
  8. This paper first analyzes the characteristics on train working diagram of urban rail transit, on the basis of describing property on rail line of urban rail transit, this paper puts forward theory of two stations drawing and three stations drawing which taking the setting of vehicle depots as the core of the subject designs sequence and contrary advance calculating methods to calculate the train arrival and departure time at mediate station, and builds mathematic model on the train working diagram of urban rail transit taking same interval time of train traveling as the target function

    摘要在對城市軌道交通線路屬性進行數學描述的基礎上，以車輛段設置地點為核心，提出兩站圖及三站圖理論，設計分層順序和反序推點演算法計算列車在中間站的到發時刻，並以分時段列車等間隔運行為目標函數，構建城市軌道交通列車運行圖通用數學模型。
  9. In the course of these derivation, the orbital integrations and the summations over spin are completed and are presented 3j, 6j, 9j symbols and the radial matrix elements. these derivations are strict and no approximate are introduced. the derivations for the orbit - orbit interaction, the spin - spin interaction and spin - other - orbit interaction, which are fairly complicated, have not been given in the previous literatures

    這部分推導工作是嚴格的，沒有引進任何近似，其中軌道-軌道相互作用、自旋-自旋相互作用和自旋-其它軌道相互作用能的理論計算式的推導過程比較復雜，在以前的文獻中沒有給出這些相互作用能的具體推導過程。
  10. Case 1 : when there is no relative measurement, each satellite uses its own on - board attitude sensors to determine its attitude, and exchange the information through the communication link between formation satellites, and then the relative attitude is determined through simple mathematical operation. case 2 : based on the range measurements of gps like sensors, using two - point measurement of the relative orbit state to establish relative orbit and attitude kinematics and measuring equations. and state estimation is achieved through the extended kalman filter technology and unscented kalman filter technology, respectively

    方案一，在星間無相對測量時，由衛星自身攜帶的姿態敏感器實現單星高精度姿態確定，利用星間通信鏈路進行信息交互，通過簡單的數學計算獲得星間相對姿態;方案二，利用類gps相對測量，建立了編隊衛星相對軌道運動和相對姿態運動模型及相對距離測量方程，推導了兩點相對軌道運動模型，設計了擴展卡爾曼濾波器及uscented卡爾曼濾波器，對相對位置、速度和姿態進行估計。
  11. Then the paper applies ea and spea to an orbital transformation problem. - time - energy optimization o the paper also solve low thrust control problem of relative motion using fuzzy logic

    然後分別用一般的進化演算法和改進的spea方法解決軌道轉移的時間-能量優化問題，對于相對運動方程有限推力控制問題，本文用模糊控制的方法加以解決。
  12. After work above is finished, with regard to object trajectory prediction, we research on satellite orbit algorithm mainly in the dissertation

    在上述工作的基礎上，目標軌跡預測技術重點研究了衛星軌道遞推演算法。
  13. Adopted in computer vision detection, the single - needle quilting controlling system possesses brilliant future because of three points : on the one hand, it conducts real - time supervision on processing track, which equals to importing computer vision to location controlling loop, on the other hand, it is easy to generalize to processing and controlling field of common flexible workpiece

    在單針絎縫控制系統中把計算機視覺引入位置控制迴路，實現對加工軌跡的實時測控，在國內未見有相關成果報道。這種方法推廣到一般的柔性工件加工控制領域，將具有廣闊的應用前景。
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