給定軌道 的英文怎麼說

中文拼音 [gěidìngguǐdào]
給定軌道 英文
desired orbit
  • 給 : 給Ⅰ動詞1 （送對方某物; 使對方得到） give; grant 2 （用在動詞后 表示交與 付出） pass; pay 3 （叫; ...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 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） ...
  • 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. The mechanical environment is described in the paper and then the environments in three different orbits are proposed, called leo ( low earth orbits ), meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ). the influence produced by the atomic oxygen, micrometeorites and debris, ionizing radiation and cold welding under vacuum is presented in the paper. some principles are proposed, which can be as the method to choose materials of the mechanism in space environment

    空間環境中力學環境對可動結構的影響直接關繫到機構的設計問題，所以本文第四章中嶽建如：中文摘要浙江大學博士學位論文20024首先詳細論述了空間環境中的力學環境，然後給出了空間環境的三種軌道環境劃分，及每一種環境影響因素對空間可動結構設計的影響，包括原子氧、離子射線、溫度、微隕石和碎片以及真空冷焊現象等環境因素，提出了材料選擇的原則，為可動結構材料選擇提供了一定的依據。
  2. The paper applies the method of the l - s coupling in the pauli exclusion principle and gives a simple method to determine the atom states of equivalent double electrons through l - s interaction fold line along angle

    摘要採用自旋與軌道相耦的方法，在滿足泡利不相容原理和條件下，給出了快速確定同科雙電子原子自旋與軌道相耦合原子態的一種簡單方法對角折線法，這種方法是對確定同科雙電子自旋軌道耦原子態的又是創新方法。
  3. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  4. Base on the concept of system ' s reliability, this paper makes a series of reliability index for urban mass transit ( umt ) safety, clearly defines these indexes, such as operational reliability, operational maintainability, and operational availability, discusses the calculation method of them

    摘要基於系統可靠性概念，構建了城市軌道交通系統的可靠性指標體系，提出了運營可靠度、運營恢復度及運營利用率等指標的定義，給出了相應的計算方法。
  5. Evading risk in financial trading market cries for pricing options to a nicety. asian option, as the most flourish options in the finace market, the pricing has been focused on always. the exact pricing formula for the geometric average asian option had existed, but as to the european - style arithmetic average asian option, due to the dependence structure between the prices of the underlying asset, no analytical formula exists. on the hypothesis that the market is frictionless and without transaction costs 、 on the base of b - s ’ s and in the binomial tree model, we provide several algorithms for computing an accurate value of the european - style arithmetic average asian option. following rogers and shi and by jensen ’ s inequality, many different upper and lower bounds are provided ; meanwhile a formula have got by the comonotonicity and approximating the distribution function. all of the algorithms are easy for programming. with the development of computer, more accurater price can be computed quickly. and numerical example proved that these algorithms are very accurate

    對于幾何平均亞式期權它的定價相對簡單，已經給出了定價公式。對于算術平均亞式期權，它的未定權益具有軌道依賴特性，一直沒有得到它的定價方程的解析解形式。本文基於對市場是無摩擦且在沒有交易費用的情況下，在b - s模型下，利用二叉樹模型給出了算術平均亞式期權定價方法;並總結了利用jensen 』 s不等式給出的各種不同情況下的上下界;同時應用共單調性和近似分佈函數的方法也給出了算術平均亞式期權價格的近似公式。
  6. The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet

    論文對-磁鐵的有關物理問題進行了較為詳細的論述，從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈，對單個粒子在-磁鐵中的運動進行了分析，利用數值求解方法研究了帶電粒子在理想四極磁場中的運動規律，提出了歸一化運動方程和理想軌道等物理概念，定量給出了消色散的入射角、軌道長度和x方向最大距離的解析表達式。
  7. By numerical work, the time evolvement curves of the corrected solution, phase orbits and v - i characteristics demonstrated the deterministic chaos

    通過數值方法給出解的時間演化曲線、相軌道和伏安特性曲線，它們描述了系統中存在的確定性混沌。
  8. The tidal locking situation for asteroid moons is largely unknown, but closely - orbiting binaries are expected to be tidally locked, as well as, obviously, contact binaries

    給星狀的衛星潮汐的鎖定情形相當未知，但是接近地-繞軌道而行二進被期望潮汐地被鎖，連同，顯然地，連絡二進。
  9. By analyzing the inter - satellite measurement net of walker constellation at some time in geometry and numeric, the correction of system error and random error caused by the change of orbit elements using different type of estimation of inter - satellite measurement net was provided quantitatively

    並通過對walker星座某一時刻的星間觀測網進行幾何分析和數值分析，定量給出了利用不同類型的星間觀測網對軌道根數變化引起的系統誤差和隨機誤差的修正情況。
  10. 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狀星團軌道的具體形態影響不大，在給定的引力勢模型下，當某些星團的運動軌道穿越距銀心1kpc附近的區域時會出現「混沌」現象： （ 4 ） 29個樣本星團的軌道半長軸、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軌道形態之間的相關性並不明顯，然而軌道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的樣本星團的軌道偏心率低於0 . 4 。
  11. 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
  12. This conception destroy the deterministic image of classical physics and shows that the trajectories of deterministic equations of motion are in a sense random and unpredictable

    而經典混沌的概念打破了經典物理學中的確定性圖像，指出運動的確定性方程給出的相空間的軌道也可能是隨機的，不可預測的。
  13. The characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality

    這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效。
  14. In the dynamic method, starting from the analytical solutions of the cw equations, the flying - around orbit is proved to be an ellipse centered at the reference satellite, and its description parameters are presented, hi the kinetic method, flying - around conditions and equations in kinetic form are obtained by first order approximating, and the description parameters of the relative orbit are given

    動力學方法從cw方程的解析解出發，證明了繞飛軌道是以參考衛星為中心的橢圓，定義了繞飛軌道的描述參數並給出了其表達式。運動學方法通過一階近似，得到了運動學形式的繞飛條件和繞飛方程，給出了繞飛軌道各參數的表達式。
  15. Specks form into clumps, these collide with other clumps, and the process continues until all the matter in any given orbit is concentrated into one object ? a planet

    微粒形成團塊，團塊之間相互碰撞，周而復始直到給定軌道上的所有物質集中成一個物體? ?行星。
  16. Within a given time a train travels from one station to the next along level track or non - zero gradient track, it is desirable to find a feasible control strategy that minimizes fuel consumption

    列車沿水平或坡度軌道從一站駛向下一站，要求在給定的時間內完成行程並使得能耗最小。
  17. It should be pointed out that the constructive algorithm does not depend on the nature of the strategy determined by parameters, and that the constructive algorithm is also suitable for both level track and non - zero gradient track theoretically

    本文還給出一種基於迭代序列的構造性演算法，該演算法調用了基本計算過程但不需要確定參數對入和。所對應的運行方案的本質，從理論上來說它也是既適合水平軌道又適合帶有坡度軌道的。
  18. This article studies the existion of homoclinic orbit bifurcation of sirs modle, moreover, it determines the relative location of stable manifolds and unstable manifold of hyperbolic fixed points of this system, therefore, it shows the parameter range of existing limit circle

    本文討論了具有暫時免疫傳染病模型同宿軌道分支的存在性，利用melnikov函數確定了該系統雙曲不動點的穩定和不穩定流形的相對位置，從而給出存在極限環的參數范圍。
  19. Being an important part in urban mass transit, signal system plays a significant function in the safe, accurate and highly efficient traffic operation, but the incomplete design standard has caused some uncertain properties to the system designing

    摘要信號系統作為軌道交通工程中重要的組成部分，對行車的安全、正點、高效的運行起著至關重要的作用，但由於其中的設計標準不全面，給系統設計方案造成了一定的隨意性。
  20. The system is installed on the axis of the locomotive ' s wheel. it inspects the track irregularity in a real - time, dynamic and photoelectric way. by measuring the track of the wheel running, the system can provide the type, depth, length, level and the location of the track irregularhy, so that it bring a positive effect on the check and maintain of the track, and it can monitor and control of the security of raflway traffic

    該裝置直接安裝機車輪軸上，是一種實時、動態的光電檢測方式，通過直接測量輪軸運行軌跡曲線的方式，定量給出軌道病害的類型、深度、長度、級別和位置等信息，能夠對工務現場線路檢查、維修、保養、行車安全監控等工作起到積極的指導作用。
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