航天研究衛星 的英文怎麼說

中文拼音 [hángtiānyánjiūwèixīng]
航天研究衛星 英文
aerospace research satellite
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 研 : 研同 「硯」
  • 究 : 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
  • 衛 : Ⅰ動詞（保衛） defend; guard; protect Ⅱ名詞1 （周朝國名） wei a state in the zhou dynasty2 （姓氏...
  • 星 : 名詞1 （夜晚天空中閃爍發光的天體） star 2 [天文學] （宇宙間能發射光或反射光的天體） heavenly body...
  • 航天 : space flight; spaceflight; aerospace航天導彈 space missile; 航天導航 aerospace navigation; 航天電...
  • 研究 : 1. （探求） study; research 2. （考慮或商討） consider; discuss; deliberate
  1. Based on the spaceflight technology innovation program of “ research on the testing method of reliability - - - - research on the fault diagnostic expert system and neural network ” and the pre - research defense projects of “ research on longevous service and high reliability of satellites ” of the national tenth - five - year plan, taking attitude control system of a satellite as object, the theories and the applications of the neural networks and expert system in the fault diagnosis are studied in this dissertation

    本文以航天技術創新基金項目「可靠性試驗方法研究? ?故障診斷的專家系統神經網路技術研究」和國家武器裝備「十五」預研項目「衛星長壽命高可靠性技術」為背景，以衛星姿態控制系統為研究對象，在理論和實踐兩個方面對神經網路和專家系統相結合的故障診斷技術及其在衛星中的應用進行了研究。
  2. Data from the nasa skylab project and several unmanned satellites are thoroughly analyzed.

    來自美國宇航局的天空實驗室和幾個不載人的衛星的數據得到徹底研究。
  3. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  4. Space technology is the most influencing technology of moden science and technology. with widespread use of application satellite, people pay more and more attention to high accuracy and durability attitude control system

    航天技術是現代科學技術中最具有影響力的高技術之一，隨著通信、遙感等衛星的廣泛應用，高精度、長壽命的衛星姿態控制系統成為人們對衛星關注和研究的焦點。
  5. Chapter studies attitude determination problem by multi - antenna. the coordinate system and ad - algorithm is introduced firstly

    第三章研究衛星導航系統中多天線姿態確定問題。
  6. The research on micro satellite is highlighted in the field of astronautics. master of the micro satellite technology represents integrated national power of different countries all over the world

    微小衛星是當前航天的熱門研究領域，掌握微小衛星技術是世界各國綜合國力的象徵之一。
  7. Dr colin hicks, director general of the british national space centre that commissioned the report, said : " this survey has once again shown the continued expansion of the satellite services market

    英國國家航空中心的主管colin hicks博士受委託製作了這份研究報告，他說： 「這次調查結果再一次顯示了航天衛星服務市場在持續擴大。
  8. A joint european and chinese research satellite has been launched from a base in southwestern china

    一顆由中國和歐洲航天局科學家們聯合研究的探測衛星，日前在中國西南衛星發射基地成功發射升空。
  9. He has served as chief advisor to chinese high - tech development program on aerospace in telescience and led the chinese national space technology program in automation and robotics for space vehicle systems, and developed the first national testbed in beijing. currently, he is leading research projects in mainland china on satellite chasing and capture for maintenance and new generation of micro - satellite

    他是中國高科技發展計劃航天遙科學及太空機器人領域首席技術顧問，領導國家航天自動化與機器人方面的研究，並於北京建立首個國家測試基地。目前，他正在主持研究新一代的微型智能衛星。
  10. 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

    本學位論文結合航空宇航科學與技術學科研究生教學基地實驗室建設項目「中繼系統星間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，對某型號用戶星星間鏈路天線指向跟蹤控制和復合控制理論進行深入的研究，研究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。
  11. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計，該航跡產生器是研究組合導航問題的前提，從國外一些研究組合導航系統的文獻中可以看出，設計這樣一個航跡產生器是非常必要的，所以本文自行設計了這樣一個系統；還討論了捷聯慣性導航系統中捷聯解算的方法，並進行了模擬研究，由於在本文設計的閉環反饋式組合導航系統中，對捷聯慣導系統的平臺誤差進行閉環控制，需要將濾波器輸出的校正量反饋到捷聯解算內部，所以必須對捷聯解算進行深入的研究和分析，更何況捷聯解算問題本身也是導航界的一個熱門研究課題；另外，本文還介紹了gps軌道及其星座模擬的設計思想和方案，與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始，逐步進行gps軌道及其星座模擬，這樣的設計方法對從事衛星導航的研究工作是有價值的；還對組合導航中誤差建模方法進行了研究，綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法，並運用實際研究工作中的測量數據對該方法進行了驗證。
  12. Observation of meteors throws light on our understanding of the motion of the celestial bodies in our solar system, physical properties of the earths upper atmosphere and the spatial distribution of meteoroids which helps choosing safe and proper trajectories for launch vehicles such as artificial satellites

    觀測研究流星對研究太陽系天體的運動地球高空大氣物理性質了解流星體分佈這項資料對選擇航天器如人造衛星的運行軌跡十分重要等都有重要的意義。
  13. The objective of this thesis is to study the problems about ground modeling experiments on the convection heat transfer in the hermetic cabins of two man - made satellites under microgravity, and build up a set of experimental system for the ground modeling - cool experiment - based on the theoretical analysis of the effects of gravity on the flow and heat transfer in the hermetic cabins

    航空航天技術領域中，如何在地面重力環境中實驗模擬空間微重力條件下的流動與傳熱，具有重要意義，但至今尚未得到很好的解決。本文的目的就是研究微重力環境下衛星密封艙內對流換熱的地面模擬實驗問題。
  14. At present, fes technology has been successfully applied in many fields such as uninterruptable power supply ( ups ) systems, electric power systems, hybrid electric vehicles, etc. researches indicate that in energy sources and attitude control system of satellites, by fess both energy storage and attitude control can be accomplished. it would be remarkable to improve global performance of satellites, so aeronautics & astronautics departments attach great importance to fess

    研究表明，在衛星能源和姿態控制系統中，利用飛輪儲能系統可以同時完成能量儲存和姿態控制兩方面的功能，這對于提高衛星的總體性能有著顯著的意義，因而得到航空航天部門的重視，並成為該研究方向的前沿課題，但目前尚未進入實用階段。
  15. Therefore, it is a key research project of xichang satellite launch center. the upgrading of intelligence standard in the satellite environment control is of great significance to assure the satellite ' s quality, prolong its working life, and sharpen china ' s competitiveness in the international commercial satellite launch market

    因此，衛星環境控制是西昌衛星發射中心的重點研究課題，提高衛星環境控制的智能化水平和能力，對于確保衛星質量、延長衛星工作壽命、增強我國在國際航天市場承攬衛星商業發射的競爭能力，有著重要意義。
  16. In the design optimization of space equipment satellite systems, there are lots of discrete and integer design variables, the design space is nonconvex and even disjointed, and has multimodality. unfortunately, current mdo procedures or strategies have difficulty to deal with discrete or integer design variables, they are very sensitive to complex design space, have propensity to converge to local optima near the starting point, and can not handle multiple objectives effectively. to overcome these difficulties, this dissertation adopt the idea of coevolution to systematically develop new multidisciplinary design optimization methods based on decomposition and coordination

    論文以航天裝備體系及其它復雜飛行器系統的多學科設計優化（ multidisciplinarydesignoptimization ，簡稱mdo ）為應用背景，針對航天裝備衛星系統設計中存在大量離散和整數設計變量、設計空間非凸和不連通、具有多個局部最優點等特點和現有mdo方法過程難以處理離散和整數變量、對復雜設計空間非常敏感、易於陷入局部最優、不能有效處理多目標等缺陷，採用協同進化的思想，系統地進行基於分解協調的mdo方法研究。
  17. Based on the requirements of high precision pointing / targeting of advanced spacecraft, dynamic modeling of spacecraft with flexible appendages bonded with piezoelectric sensors / actuators, attitude control and active vibration suppression theory are studied deeply in this dissertation, which is funded by the research fund for the doctoral program of higher education of china item ? “ large flexible multi - bodies structure spacecraft active vibration control technology ” ( 20050213010 ). the main contents of this dissertation are as the follows : an approximate analytical dynamic model of a flexible spacecraft with surface bonded piezoelectric sensors and actuators is derived using hamilton ’ s principle with discretization by the assumed mode method. the model is then converted to state - space form for the purpose of control design

    本學位論文結合高等學校博士學科點專項科研基金「撓性多體結構衛星主動振動控制技術研究」 （ 20050213010 ）課題，從理論上對粘貼有壓電智能元件的撓性航天器的建模、姿態控制和主動振動控制理論等展開了深入的研究，其研究內容主要包括以下幾個方面:利用hamilton原理推導了撓性航天器的動力學模型、壓電元件的作動方程及檢測方程，並採用模態分析方法，進一步將撓性航天器的耦合方程規范化，使之適應于姿態控制系統的分析和設計。
  18. Dynamic modeling and control system designing of a flexible satellite is a very important subject in the aerospace engineering

    撓性衛星的動力學建模和控制系統設計是航天領域研究的一個重要課題。
  19. The superpowers, relying on their advanced technology, have sent up many satellites in an attempt to control space research and space technology

    超級大國依靠他們的先進技術，已經發射了許多衛星以掌握太空研究及航天技術。
  20. In this paper, the methods of microsatellite magnetic attitude control and three axis passivity stabilization are studied systemically under the " 863 - 2 " fund aiding

    本文在國家高技術航天領域「 863 - 2 」基金資助下，對微小衛星姿態磁控制和三軸姿態被動穩定方法進行了系統的研究。
分享友人
分享到 Line

分享到臉書