空間航行研究 的英文怎麼說

中文拼音 [kōngjiānhánghángyánjiū]
空間航行研究 英文
raumfahrtforschung
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : 研同 「硯」
  • : Ⅰ動詞(仔細推求; 追查) study carefully; go into; investigate Ⅱ副詞[書面語] (到底; 究竟) actually; really; after all
  • 空間 : space; enclosure; room; blank; interspace
  • 航行 : 1 (水中行駛) navigate by water; seaway; sail 2 (空中行駛) navigate by air; fly 3 voyage; 航行...
  • 研究 : 1. (探求) study; research 2. (考慮或商討) consider; discuss; deliberate
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進了詳細理論,提出了利用轉子位置傳感器信號接測量電機轉速進電機轉速閉環穩速控制的策略。
  2. The paper is one part of national science fund project study on the theory and method of performance management presided by professor of harbin institute of technology yingjun - feng and management and scientific research project of the first group of china aviation study on corporate top and middle - level executives performance evaluation and motivation model presided by my supervisor professor lujie - wang, comprehensive introduce the condition of domestic and oversee research and analyze the relationship between executives holding corporate stock and executives " performance under corporate governance. and also discuss corporate stakeholder governance and advancement of corporate executives performance and probe into influence of corporate executives behavior model on executives performance and set up corresponding performance evaluation index to appraise corporate advance and middle - level executives performance from the balanced scorecard

    本論文作為哈爾濱工業大學馮英浚教授主持的國家自然科學基金項目「績效管理的評價理論與方法」和導師王魯捷教授主持的中國工業一集團公司管理科基金項目「企業中高級管理者績效評價與激勵模式」課題的一部分,綜合國內外對此問題的現狀,從公司治理的角度,分析公司治理下管理者持股與管理者績效之的關系,探討企業利益相關者治理與企業管理者績效之的規律,以及探討企業管理者的為模式對企業管理者績效的影響,並且從綜合記分卡體現的維度建立相應的績效評價指標。
  3. All the researched results prove the era method is steady and suitable for those structures : spacecraft 、 beam - plane structure 、 truss structure 、 frame 、 bridge, etc. on the basis of the consideration of the above, the major job of the article is to discuss how to identify the parameters of the long - span structure with the method of era under the action of the wind loads

    但是,國內外已有的相關文獻,對于下面的結構均進了相關的,如天器、梁板結構、桁架、框架、橋梁等。基於以上考慮,本文主要工作,就是探討在風激勵荷載作用下,如何用era演算法識別大跨網格屋蓋結構的模態參數。
  4. First, under such background as satellite, spaceship, and aos system, with the characteristics of real - time system and distributed system, this paper is devoted to the vxworks kernel analyzing, which includes scheduling methods, kernel clipping design. then, on the basis of 1553b data bus technology and vxworks drive management theory, a 1553b driver is designed for the vxworks

    首先,論文在了分散式實時系統特點和新一代天星載、飛船及未來實驗室等應用系統基礎上,深入分析了天應用系統目標機運的主流操作系統vxworks內核的任務調度策略,論述了內核剪裁的原則,劃分了vxworks操作系統的功能界面,並對其進了剪裁和優化。
  5. National key laboratory of advanced composites ( lac ) in beijing institute of aeronautics materials ( biam ) has developed a new medium temperature curing epoxy resin system, of which the glass transition temperature is 119. 88, for resin transfer molding ( rtm ). in order to investigate the relation between viscosity and time - temperature, the rheological behavior of the system was studied by dsc and viscosity experiments. a rheological model based on the dual - arrhenius equation was established and used to simulate the rheological behavior of the resin, which was in good agreement with experimental data

    本文表徵了北京材料院先進復合材料國防科技重點實驗室樹脂組新開發出的rtm用中溫固化環氧樹脂體系3266 (玻璃化轉變溫度為119 . 88 )其粘度隨時、溫度的變化關系,在粘度實驗和dsc熱分析實驗的基礎上,對用於rtm工藝的該環氧樹脂體系的化學流變特性進,並根據雙阿累尼烏斯方程建立樹脂體系的流變模型。
  6. Wake vortex separation standards are used to prevent hazardous wake vortex encounters which mainly found in the final approach course within the airport termination zone. firstly, this paper analysis the mechanism of the vortex decay and research the influence on the safety of the flight ; then. several different radar wake vortex separation standards are compared and some basic guidelines are developed to establish the future vortex standards. in addition, one kind of advance vortex classification for the civil airplane is proposed. secondly, an encounter hazard model which established for the following aircraft and a simple vortex decay model which mostly concern with the proceeding one are developed ; and a safe separation model can be derived from the both. finally, through the simulation calculation, the correctness of the vortex classification of different types of aircrafts are tested and proved

    本課題對雷達管制條件下的最小尾流隔標準進了較為詳細的分析和;首先對尾流的形成和消散機理以及尾流對飛安全的影響做出了詳細的分析,然後就目前實的幾種不同的最小尾流隔標準進了比較和分析,提出了相關的幾條準則和一種改進的機型尾流分類標準;在這之後,採用理論分析和統計數據分析相結合的方法,建立了尾流危險遭遇基本模型和尾渦消散模型;並在此基礎上對民用不同機型的尾流分類的合理性進了計算和評估,為最小尾流隔標準的確定和改進提供了初步的理論依據。
  7. The thesis is from guizhou aero - engine research institute, member of china aviation industry corporation i. researchers in the institute remodeled wp13aii engine into wp13b engine, resulting in the changing of the operating point and thus the abnormity of anti - surging regulator. the author aims to probe into the relation among the parameters of the anti - surging regulator, of the engine and of the main fuel regulator, ravel the failure and show how to modify the anti - surging equipment by accomplishing the modeling and simulation of the process

    本課題來源於工業總公司第一集團貴發動機所,該所在將wp13a發動機改型為wp13b發動機後由于工作點變化導致發動機防喘切油過程異常,本課題的目的就是通過對發動機防喘切油過程進建模和模擬,來探討防喘調節器各結構尺寸與發動機及調節器各參數之的關系,以及wp13b發動機防喘切油故障的原因,並給出防喘裝置改進設計的具體措施。
  8. Supported by the national natural science foundation of china ( nsfc ) 2, the research topic of this paper has been focused on reinforcement learning and its applications in mobile robot navigation. one part of the main contents in this paper is the generalization methods for reinforcement learning in solving markov decision problems with continuous states and actions. another part of the main contents is the applications of reinforcement learning methods in the optimization of the path tracking controllers and the autonomous navigation controllers for mobile robots

    本文在國家自然科學基金項目「增強學習泛化方法及其在移動機器人導中的應用」的資助下,以增強學習及其在移動機器人導控制中的應用為內容,重點了增強學習在求解連續狀態和markov決策問題時的泛化( generalization )方法,並針對移動機器人在未知環境中的自主導和路徑跟蹤控制器的優化設計問題,了增強學習在上述領域中的應用。
  9. ( 6 ) it studies the time serial neural network forecast model and discusses how to determine the dimension of input data and how to smooth the unsteady time serial data. also this paper uses the time serial neural network model to forecast the volume of freight of shenzhen airport air logistics park. finally, this paper attains higher accuracy in using the forecasting model and gets a good forecast effect

    ( 6 )對基於時序列的神經網路預測模型進,並了輸入維數的確定及非平穩時序列如何平穩化的問題,並利用時序列神經網路預武漢理工大學博士學位論文測模型進深圳物流園區的貨流量的預測,從而提高了預測模型的精度。
  10. Aiming at the fact that more debris collision risks are to the low earth orbit spacecraft in the getting worse debris environment, this paper gives a set of feasible debris early warning method and maneuver strategy, by means of which spacecraft can adopt orbit maneuver, evade dangerous objects so as to improve viability under the control of ground command and control center

    本論文的是應對日益惡化的碎片環境對近地天器造成的碰撞風險,提出一套可的碎片預警方法和規避策略,使天器在必要時刻,通過地面的指控,採取主動的軌道機動,躲避危險物體,從而提高生存能力。
  11. Though the hill equation was improved it cannot satisfied with the long distance navigation. here is considering the main satellite the following satellite and the target satellite format a triangle in the space which was useful in the relative navigation. the orbit of the following satellite was resolved by calculate the hill equation

    盡管如此改進的hill方程依然不能滿足遠距離的相對導,當從星在攔截目標星時,若目標星在攔截過程中發生軌道機動遠離主星,這里考慮到在已知從星軌道的前提下利用主從星以及目標星在形成的三角關系這一有利條件進幾何法定位的,並通過數學模擬對其誤差大小進了分析。
  12. At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed. according to data of baoying navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying

    同時完成了江蘇泗陽船閘下游引道非恆定流及其改善措施的計算分析和寶應船閘上游引道口門區水流條件計算分析,運用gis技術和所設計的gis應用系統對泗陽船閘下游引道內流場以及下閘首水位波動情況進信息顯示,根據對寶應船閘的計算結果生成上游引道口門區等流速圖、橫向流速等值線圖和流場圖,使計算分析成果數據、信息、屬性信息與圖形顯示有機結合,便於查詢分析,效果令人滿意。
  13. As composite material are widely used in navigation and physical education equipments for high comparing intensity and module, even it has the approxi - mate zero expanding coefficient, as the same time, configuration of composite has been aroused attention by scientific researchers, the goal of them is to find an integrated structure with high efficiency and intelligent and many function all along. grid structure is the right structure with the high efficiency, the researchers overseas have been studying the structure for many years, which manifests it has many excellent nature ; existing research indicate it has higher stiffness and intensity. the form can be detected in health easily for its open shape

    復合材料具有高的比強度和比模量,同時又具有近於零的熱膨脹系數和良好的尺寸穩定性等優良性能,已經廣泛應用於事業和體育器材生產工業,與此同時,尋求一種高效的、低成本的、並將智能化和功能化集於一體的結構形式,一直是天追求的目標,具有點陣結構的復合材料格柵結構正是這種高效的結構形式,表現出多項優良性能;國外對其進了大規模的理論分析和一些數值模擬,已有的表明該結構具有良好的可設計與自動化生產性能而無材料之匹配問題,開放式的結構形式為結構的健康檢測提供了便利,具有廣闊的應用前景。
  14. The paper is study about maneuver of orbit filtration and orbit predict in space debris collision prediction analysis. its result is directly applied to environment subsystem about space debris, it roots in a project of prediction database based on network from spaceflight office of shanghai

    本文針對碎片碰撞預警分析中有關軌道篩選策略和軌道預報計算方法內容進,所獲得的成果將直接應用於上海天局的「基於網路的環境預報數據庫」中的碎片環境子系統。
  15. It can construct a reference path with lowest danger for the uav ( unmanned aerial vehicle ) by accounting for some aircraft performance characteristics, the mission goals, the threat information and the terrain information. this paper puts emphasis on the study of path planning algorithms and the analysis of uav missions. the main contributions are summarized as follows : ( 1 ) the threat environment, mainly as the radar threat, is studied and the detection probability of the aircraft is analyzed

    本論文主要根據無人機的作戰任務方式進路規劃,包括攻擊路和偵察監視任務路,具體內容包括以下幾個方面: ( 1 )本論文分析了威脅的威脅計算問題,對飛器探測概率進定量化的,根據恆虛警處理技術對雷達探測概率計算方法進了總結,說明了計算單部雷達探測概率問題的方法,在此基礎上對雷達網的探測概率計算進了討論,提出了相對于距離的探測概率求解方法和思路,用於攻擊路規劃中的威脅計算。
  16. Based on chinese tracking and data relay satellite ( ctdrs ) in the future, the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation, which is funded by the improve item of dept. of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ”. the main contents of this dissertation are consisted of the following parts : firstly, dynamics equation is derived using lagrange equation for user satellite, so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis

    本學位論文結合科學與技術學科生教學基地實驗室建設項目「中繼系統星鏈路天線指向控制系統教學與演示實驗」 ,以我國跟蹤與數據中繼衛星系統為背景,對某型號用戶星星鏈路天線指向跟蹤控制和復合控制理論進深入的內容主要包括以下幾個方面: 1 .利用lagrange方程建立了用戶星的動力學方程,同時推導了運動學方程,並將這組動力學方程以矩陣微分方程形式表示,使之適用於姿態控制系統的設計和分析。
  17. Including the testing of the validity of sensor data and the adapting of the q matrix in reai - time, the kalman filter is researched to improve the real - time, precision and robust of navigation system. with this method, the disturbances resulted from the many uncertainties in non - structure agricultural environment can be overcome, the movement of road line can be followed in the image space so that the technology of visual window can be used, the current measured state of wheeled mobile robot can be substituted by the predicted state to increase the real - time of control system

    包括傳感器數據有效性檢驗、 q陣自適應實時調整等內容,詳細地了利用擴展卡爾曼濾波理論改善導系統實時性、精確性和可靠性的具體方法,以克服農田非結構化自然環境里存在的多種不確定因素給導系統造成的干擾,跟蹤圖像中路徑目標的運動而便於有效地利用視覺窗口技術,提供輪式機器人狀態的預測值代替實測值進控制來改善控制系統的實時性等
  18. This thesis tries to quantify the impact of asas in the context of limitation of data sorts and their duration

    試圖解決在數據種類和時長度有限的情況下,如何對雙邊運輸協定影響進評估的問題。
  19. Visual simulation is an important part of space simulation, which can present the motion of the space targets and working condition of ground facilities intuitionisticly, and can make it easier for us to find out the problems in the space experimentation and analyze them

    天試驗及模擬可視化是天試驗及模擬的一個重要組成部分,能夠形象、直觀地展現目標運動及地面設備工作情況,便於天試驗或模擬時對問題進定位及分析
  20. This paper, as a part of the project " complex space - base information network ", its main purpose is to grasp the theory of transfer over ieee 1394 bus, to make pre - research of the possibility and feasibility of the application of ieee 1394 in astronautics and space fields, to accomplish the 1394 - pci adapter and to develop the 1394 demo system on windows platform, which makes smooth transition to develop 1394 technology under realtime operation system vxworks which is used in on - board computers

    本文作為天基網預項目之一,其目的是掌握ieee1394工作原理,對其在器電子綜合系統中的應用做初步探索和,實現1394 - pci轉接卡,完成在windows下的ieee1394演示系統,為其在天星載機的實時操作系統vxworks下的開發平緩過渡。
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