軌道狀態 的英文怎麼說

中文拼音 [guǐdàozhuàngtài]
軌道狀態 英文
track condition
  • : 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
  • : 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) ...
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • 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 (...
  • 狀態 : status; state; condition; state of affairs: (病的)危險狀態 critical condition; 戰爭狀態 state o...
  1. 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跡和推力。
  2. The "weightless" condition of astronauts in orbit about the earth arises from just this cancellation of inertial and gravitational forces.

    在圍繞地球運轉的中,宇航員的「失重」就是慣性力與引力相互抵消的結果。
  3. 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。
  4. First, using a kind of realization of yangian of a two angular momentum coupling system, we can work out the quantum states of the h = - s model, a two - lattice physics system whose orbital angular momentum and spin coupled in a special way. then, we select that situation that a orbital angular momentum of any value coupled with another of the value of 1 / 2 as an example, discuss the degenerate states of the model

    首先,通過二角動量耦合況下的yangian實現來確定模型(一個角動量和自旋角動量以一種特定方式耦合的兩格點物理體系)的量子,以任意的角動量與1 2的角動量耦合為例,來討論具體到某一量子下該體系的簡並問題。
  5. The classical analog of this state of motion is a straight-line trajectory back and forth through the nucleus.

    這個運動的經典對應,是通過原子核來回運動的直線
  6. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於交通的跨度6米,高7 . 5米的地下隧這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市交通使用的地下隧圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然、地表存在多層或高層建築物和地下開挖用於交通的地下隧等三種不同以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  7. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動模型的基礎上建立了系統方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星,並在此基礎上建立了幾種典型的動模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。
  8. ( 4 ) the mn electron orbits of stoichiometric limn2o4 became degenerated and the electrons settled in disordered states at 320k ~ 280k and therefore the resistance of the material increased slowly with the temperature decrease

    ( 4 )化學量的limn _ 2o _ 4材料,在320k 280k的范圍內mn原子電子簡並,電子處于無序,材料的電阻隨溫度的降低,緩慢增加。
  9. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與保持技術研究:分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為量,分析動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定精度的影響。
  10. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    控制部分,研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的非線性控制系統,將空間的幾何結構與控制系統的方程建立直接的聯系。在姿控制部分,研究的主要思想是以整體微分幾何方法為工具,以李群與李代數等數學理論為基礎,從數學角度建立具有良好性能的數學模型,並設計出相應的控制方法。
  11. First, proper initial conditions between ekv and target are the premise of hit - to - kill. capture region is described by equations of relative motion defined in modified polar coordinate while phasetrajectory graph is introduced. and the disturbance of initial condition biase is analyzed by cadet through statistical linearization of ekv dynamical model

    本文在修正極點坐標系中建立攔截器和目標之間的相對運動方程,結合相平面跡圖,分析了大氣層外動能攔截器的攔截區;對大氣層外動能攔截器動力學模型進行統計線性化,採用協方差分析描述函數法,分析了初始誤差對彈的影響。
  12. Hi the aspect of symmetry analyzing to the hopfield model neural network with hebbian learning, we study on the dynamical behavior of the state space under the action of isometric transformation group g = z2 ? n, and prove the invariant property of the energy orientation ? / / " ) of the state space under the action of g. we find that the symmetry relationship of the network is sx - sw = sh when the active function of the neuron is odd, where sx is the symmetry of the patterns set x under hebbian learning rule, sh is the symmetry of the network and sw is the symmetry of the weight matrix w of the network

    ) s _ n為手段,研究了網路空間在群g作用下各點的運動情況,證明了群g作用下的不變性。證明了當神經元的激活函數f為奇函數時, hebb法則下存儲樣本集x的對稱性s _ x 、網路對稱性s _ h以及連接矩陣對稱性s _ w三者之間滿足s _ x = s _ w = s _ h的關系;同時,我們還證明了:網路穩定集vf同一s _ h中的兩個穩定的動力學行為(能量和吸引域大小)相同;兩個等距網路h和h 1 = g ? h , ( ? ) g (
  13. Methods for evaluating the local and global track conditions and for calculating the repeat ratio of ultra - limit spots and key sections are given

    從時間和空間兩個方面對檢測數據進行分析,採用局部、整體、超限點重復率和重點地段分析的方法。
  14. To solve this contradiction we introduce the polarization track restriction and calculate the biggest scr ( ratio of signal to clutter ) of coherently and incoherently reflected waves

    為了解決這一矛盾引入了極化約束條件,計算了在極化約束下相干情況和非相干情況下共極化通最大接收功率與極化的關系。
  15. Industrial frequency traction current may interference fsk signal. the electric parameters of track circuit must be measured periodically to make sure whether track circuits and signal equipment run normally and to avoid accident

    定期檢測電路的電壓、頻率等參數,以判斷電路及其信號設備是否處于最佳工作,可以及時消除隱患,確保鐵路安全行車。
  16. When we do so we cannot get the detail distribution of system ' s stress and we are difficult to improve the structure as our wishes. wheel / rail system analyze is a typical elasticity contact problem, so we can use fem to analyse this system effectually. in this paper we used fem contact method analysed the system from engine kinetics standpoint

    作為一種典型的接觸問題,車輪系統分析同時也屬于機車動力的研究范疇,本文從機車動力學入手,對起重機車輪的接觸進行了動力學分析,在此基礎上利用有限元接觸問題的分析方法對起重機車輪系統的接觸應力進行了不同下的計算模擬。
  17. About 250 cars of jnr 9600 class were offered to the japan army at the time of japan - china war. they changed from 1067mm gauge to 1435mm and went to china. after the war the locomotives that remained in china became the kd5 class of china national railways

    昆明北? 4 ? ?車kd55形放置非常?朽果待?時中約250 ? 9600形陸軍供出標準間改中國使用?后中國國? kd5形大形大陸用機?車比小形力不足主力生殘雲南狹??時中日本支配下kd55形kd5形改
  18. 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下(、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。
  19. The differences in orbital morphologies due to different potentials is slighting, however, given a certain potential, for clusters that have perigalactic distance smaller than 1 kpc, some orbits may exhibit a chaotic behavior. the correlation between the metallicity of samples and the orbital morphologies is unclearly ; ( 4 ) it is found that the semi - major axis, apogalactic distance and azimuth period of 29 sample clusters are changed with their metallicity similarly, but a obvious correlation is seen between orbital eccentricity and metallicity. there is a fraction of 24 % of the sample clusters with eccentricities lower than 0. 4

    不同的引力勢模型對球星團的具體形影響不大,在給定的引力勢模型下,當某些星團的運動穿越距銀心1kpc附近的區域時會出現「混沌」現象: ( 4 ) 29個樣本星團的半長軸、遠銀心距和方位周期隨金屬度的變化規律基本相似,樣本星團的金屬度與其之間的相關性並不明顯,然而偏心率與金屬度有關,對于所選的暈族樣本星團而言,大約有24的樣本星團的偏心率低於0 . 4 。
  20. A system that can monitor the track state by means of ccd ( charge coupled device ) array and infrared led ( light - emitting diode ) is designed in the thesis, which named track state dynamic inspection device

    本論文設計的是利用線陣ccd (電荷耦合器件)和紅外線光源對不平順參數進行檢測的「軌道狀態檢測裝置」 。
分享友人