最優軌道 的英文怎麼說

中文拼音 [zuìyōuguǐdào]
最優軌道 英文
optimal trajectory
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 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） ...
  • 最優 : optimal; optimum最優策略 optimal policy; optimal strategy; 最優設計 optimum design; 最優值 optima...
  • 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 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。
  2. Another oil well orbit optimized model, unitary model, is established base on the old model and the choice of the best section plane is calculated

    本文在二維油井軌道優化設計的基礎上，建立了考慮剖面類型選擇和剖面設計最優化在內的綜合數學規劃模型：歸一化設計模型。
  3. There are problems to choose which section plane as the best section plane before the oil well orbit optimized design because there have been ten - more kinds of section planes ( beeline and arc ' s combination ) and the oil well orbit should be fit of all stratum conditions

    考慮到工程上對油井軌道剖面類型（直線圓弧組合）的描述多達十余種，以及實際施工時油井軌道不僅需要滿足最優化條件，還要適應地質、地層和繞障等要求，因此存在井軌道剖面類型的選擇問題。
  4. Following the human - oriented designing idea of modem traffic hub, the project optimizes the rail lines to make the general layout more compacted, designs the public transfer hall to connect other lines including the maglev line, and plans the traffic modes around the longyan hub so as to ultimately achieve the goal of transfer optimization

    通過軌道交通線路優化調整使其總體布局更加緊湊，設計了地面公共換乘大廳以聯系各條軌道交通線和磁浮示範運營線，同時對周邊各種交通方式進行規劃整合，達到換乘功能最優，體現了人性化的現代交通樞紐設計理念。
  5. Then above the typical terrain and under the disturbance the terrain following system is simulated. the result shows the flight control system can withstand the disturbance and track the optimal trajectory

    在典型地形情況下進行地形跟隨模擬，並且為了真實模擬地形跟隨，在控制通道加入風擾動，結果表明該飛控系統能夠很好的抵抗風擾動，緊緊跟隨最優軌跡飛行。
  6. The effects to which stations attract passenger flow, trip time, cost, real estate along line, urt feeder other traffic, structure and configuration of city were analyzed. based on the minimize trip time of passenger, the model of optimal average distance between urt ’ s stations and the model of station ’ s coverage and the model of station ’ s cost and benefit were proposed

    分析車站分佈對吸引客流、乘客出行時間、工程造價、運營及沿線土地開發、城市軌道交通與其它交通方式的銜接、城市空間結構和城鎮體系布局的影響;建立了基於乘客出行時間最短的最優平均站距模型、車站選取的覆蓋量模型與費用效益模型。
  7. The method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and controls, thus converting the optimal control problem into a nonlinear programming problem. the method is remarkably robust to initial guesses, which is better than traditional method

    這種方法利用了近些年來發展起來的直接優化技術，用分段多項式來表示整個軌道的狀態和控制向量，將最優控制問題轉化為非線性規劃問題來研究。
  8. The distinct trait of sun synchronic orbit satellite is that there will be the same sun conditions in the subpoint of the satellite wherever the satellite is, it benefits the earth reference equipments. and the regressive orbit satellitr ' s trait is that the satellite can cover the earth periodic, it benefits the dynamic reconnaissance. because of these merits, the sun synchronic and regressive orbit become one of the most popular orbit types

    太陽同步軌道的主要特點是衛星在任一時刻其星下點的陽光條件基本相同，這對衛星上對地儀器的工作是非常有利的。而回歸軌道的特點是周期性地覆蓋地球，這有利於對地球上動態目標的偵察。由於以上的優點，太陽同步回歸軌道成了所有衛星軌道中最常見的軌道之一。
  9. The theories of multi member function ' s extremity value, hooke jeeves mode searching method solving wholly complex problem of extremity value and uniformity design method, one new and efficient method to choose test point, are applied to establish the two - dimension oil well orbit optimized model. the shortest length of oil well orbit curve is regarded as this model ' s object and all kinds of effecting parameters are analyzed

    通過引入多元函數極值理論、求解復雜極值問題的hookejeeves模式搜索法及一種較為新穎和高效的試驗點選擇方法：均勻設計法，建立以最短油井軌跡曲線長為目標的二維油井軌道優化設計模型，並對影響井軌跡曲線的參數進行了較為詳細的分析。
  10. From 1981 to now, xiamen city absorbed the experience precept, and continuously enhanced the environmental protection measure, and actualized in earnest continuable development strategy, and acquired the following results : with gross domestic product, gdp and per capita gnp increasing quickly, the atmosphere quantity still reached the first class nation standard, and the sea water quantity also reached the first class standard ; the city was successively rated " national park city ", " the model city of national environmental protection ", and " china excellent tour city " etc. ; the city obtained the tallest prize in all kinds of synthesis assessment of chinese cities in 2003 - the chinese reside environment prize ; it had already stepped in the circle of the synchronously development and regular cycle of environment and economy now, becoming the model of china city walking on the road of sustainable development

    1981年至今，廈門市不斷強化環保措施，努力實施可持續發展戰略，獲得的成果有：在國內生產總值快速增長，人均產值突飛猛進的情況下，大氣質量仍達國家一級標準，海水質量達到一類標準；先後被評為「國家園林城市」 、 「國家環保模範城市」 、 「中國優秀旅遊城市」等； 2003年榮膺中國城市各類綜合評比中的最高獎項中國人居環境獎；現已步入環境與經濟同步發展、良性循環的軌道，成為中國城市建設走可持續發展道路的楷模。
  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. Concepts of pollution overall reduction pattern and green taxes are explained in details and expatiations on pollution preventing measures of the city are also included. 5. quantitative analysis with mathematical tools such as combined prediction, input - output analysis, sensitive analysis and multiple objective planning are used to optimize the energy system of the city

    （ 5 ）利用組合預測、投入產出、多目標規劃等多種方法，對石家莊市未來能源發展戰略進行定量分析，描繪出該地區能源發展的最優軌道，並就理論上分析了能源規劃的動態性和風險性。
  13. In view of the research situation of the technologic and economic evaluation on the constructed program of the pacific road " section in the no : 1 route of wuhan city ' s light rail transit at present, especially the researchment on the trend of the route, the paper discussed detail research of the constructing plans by using various theories of fundamental construction econnmics, etc, based on the the general urban constructing plan of wuhan, etc. the qualitative analysis method and the quantitative analysis method are connected to be applied into this paper for the research work

    本文根據《武漢市城市總體規劃》 （ 1996 - 2020 ） ， 《城市快速軌道交通工程項目建設標準》 ， 《武漢市綜合交通規劃》 （ 1996 - 2020 ）以及運籌學、技術經濟學、投資管理學、基本建設經濟學等原理和相關理論，對武漢輕軌交通一號線太平洋路段這部分關鍵建設線路方案的比選進行了論述及細化研究。本文採用定性分析與定量分析相結合的方法，對軌道線網初始方案進行測試與調整；對多個線路走向的初始方案進行篩選，確定兩個備選方案，再對軌道交通線網優選方案進行綜合比選評價，最終得出軌道交通線網的推薦方案，增強了建設方案的科學性和合理性。
  14. In this paper, based on track irregularity spectrum and time delay between axles, control laws of railway vehicle secondary active suspension are designed according to optimal control theory, and simulated on a vertical railway vehicle model

    摘要針對鐵道車輛二系主動懸掛，考慮了軌道不平順譜及輪軸時延的輸入；依據最優控制理論，設計了整車的主動懸掛控制規律，並在整車垂向動力學模型上進行了模擬分析。
  15. Results show that profit gained by incorporating the time delay between axles in the control laws designed with track spectrum information decreases rapidly with the enhancement of running speed, comparatively including track spectrum is more important in control law design of railway vehicle active suspension

    分析表明，依據軌道不平順譜以及輪軸時延能實現最佳的控制性能；但隨著速度的提高，其相對于僅依靠軌道譜信息而設計最優控制規律的收益大幅下降；相對而言，鐵道車輛依據軌道譜信息設計主動懸掛控制規律非常重要。
  16. What ' s more, the optimal solution cannot be guaranteed. according to the constraint nonlinear programming of designing horizontal trajectory presented by jiang shengzong in 2001, the paper constructs a nonlinear multilevel lumped parameter dynamical system by the nonlinear control theory and describes the existence of its solution and the controllability as well as the polykeys of this optimal control

    2001年江勝宗等人提出了側鉆水平井軌道設計的約束非線性規劃，本文應用非線性控制理論，建立了三維水平井井眼軌跡的非線性集中參數多階段動力系統，論述了該系統解的存在性及其最優控制的可控性和多解性。
  17. Statistical controversy on regional economic growth convergence in china

    動態反污染控制下經濟最優增長軌道模型
  18. Third, on the basis hypothesis of mean gravitation, optimal control functional of the launch vehicle equations of state are set up by optimal control theory. the optimal control results of launch vehicle are worked out. this control method of automatic start is inferred, which can satisfy the terminal condition of satellite trajectories

    3 、通過引入「平均引力」的簡化假設，利用最優控制理論，建立運載火箭的最優控制泛函，得出運載火箭的最優控制問題的解，推導出了可自動起步，滿足衛星軌道終端條件的迭代制導方程。
  19. Time - optimal orbital transfer under finite thrust

    有限推力下時間最優軌道轉移
  20. Transit is essential to improve urban traffic and to optimize transport structure. for different urban layouts have different demands for transit, the urban layout should effectively sustain the transit in order to optimize transit running. secondly, the impact of transit on urban land use is studied on the macroscopic, mesescopic and microscopic levels

    指出城市軌道交通是改善我國大城市交通的必然選擇，是優化交通結構的最佳手段；不同的城市布局對軌道交通的需求是不同的，為了發揮軌道交通運營的最佳效果必須注意在城市結構方面作出有效的配合。
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