航天振動 的英文怎麼說

中文拼音 [hángtiānzhèndòng]
航天振動 英文
space vibration
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 航天 : space flight; spaceflight; aerospace航天導彈 space missile; 航天導航 aerospace navigation; 航天電...
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. The vibration control, a branch of intelligent structure ' s application, has been widely adopted in the areas of military, machinery, medicine, and civil products, especially in aerospace industry, where its great potential has been already shown

    智能材料控制結構的振動已經被廣泛應用到軍事、機械、醫學、民用產品上，尤其在航空航天工業中展示了廣闊的前景。
  2. This layer of water nearly half-a-meter deep absorbs the vibrations from discovery's mighty engines, keeping the tremendous power from bouncing back and damaging the shuttle.

    這層將近半尺深的水能吸收「發現號」的巨型發動機產生的振動，以防止這一巨大動力產生反沖而損壞了航天飛機。
  3. While the homecoming has been filled with excitement for what mission controllers declared a " truly spectacular test flight, " uncertainty remains for the future of the shuttle program

    當這次被任務控制人員稱為「真正壯觀的試飛」的返地之旅被激動和振奮淹沒時，航天項目的未來仍然存在著種種不確實性。
  4. This thesis focuses on investigation of control methods for vibration control of a flexible manipulator

    在機械工程和航天技術領域，柔性機械臂的振動控製成為研究熱點。
  5. Currently, the large space vehicle ’ s vibration test usually adopted dual - shaker system, the electric current phase synchronous controller is one of the equipments importantly in the system. the existing control equipments make use of tri - tek704d controller, and the current feedback in - phase control method

    目前，我國大型航天器環境振動試驗採用多振動臺同步激勵的試驗系統來完成，電流相位/幅值同步控制器是並聯雙振動臺同步控制系統中重要的組成設備之一。
  6. About the large deformation description, a multi - floating coordinate system is adopted. it can effectively reduce the error of discretization. this paper deals with the design of restrained variable structure control in the way of phase plane analyse, which is concise and avoids complex mathematical descriptions. a new method is promoted for flexible spacecraft control by describing flexible spacecraft dynamics equations as t - s fuzzy model and designing a pdc fuzzy controller

    將撓性航天器姿態動力學方程描述為t - s模糊模型為撓性航天器控制提供了新思路;模擬結果表明，基於t - s模型的pdc模糊控制器能滿足撓性航天器大角度姿態機動的精度要求，並能有效抑制帆板振動，具有一定的智能性。
  7. Aerospace series - elements of electrical and optical connection - test methods - part 428 : sinusoidal vibrations with passage of current for crimped terminal lugs

    航空航天系列.光電連接件.試驗方法.第428部分:夾具終端電連接片通電流正弦振動
  8. It is a challenge project for us to predict the acoustic radiation of high - speed mechanism, and try to depress it effectively. which is also one of the key problems to solve in the design of mechanical products, aeronautics and astronautics products, and martial products

    如何對高速機構進行準確的噪聲輻射預報分析，改善機構的動態特性，有效的抑制機構彈性振動引起的噪聲輻射，是我們必須面對的一個重要研究課題，這是在機械、航空航天及軍事工業等領域設計良好產品所必須解決的關鍵問題之一。
  9. As the principal materials which are used as the high magnetic of hdd of computer mri and ct magnetic field hang float the railroad train motor of sound circle astro - airshop sound circle and engine etc. and the resposition hydrogen of the metal alloy manufacturing motive battery, these products are regarded as the new material industrial products in high scientific and technological circles

    等多種稀土金屬及合金產品，純度范圍99 - 99 . 9 % 。它們是當今世界認定的高科技領域新材料工業產品，是計算機磁盤驅動器的音圈電機vcm核磁共振成像儀mri磁懸浮列車航天飛船音圈馬達電機等所用高能磁體以及製造動力電池所用儲氫合金的主要材料。
  10. Active vibration control of flexible spacecraft during attitude maneuver

    撓性航天器姿態機動的主動振動控制
  11. Since 1960s, the mechanical strength reliability and structural system reliability, whose main failure modes are fatigue and service life, has achieved a great deal of development and been applied to engineering machine, aeronautical and astronautical engineering, electric apparatus, bridges, ship, civil engineering etc. with the developing of space technology and tendency of machine towards high speed, precision, automation, one realizes the importance of mechanism reliability based on the accuracy of motion, for the errors of mechanism occurred more often than that of structure, especially in the field of aeronautical and astronautical engineering and operate system of weapon

    上個世紀60年代以來，以疲勞、壽命為主要失效模式的機械強度可靠性、結構體系可靠性研究得到了很大發展，並迅速應用於工程機械、航空航天、電器設備、橋梁、船舶、土木工程等。隨著空間技術的發展以及機械的高速精密化、自動化發展，人們逐漸認識到以機構動作參數的準確可靠為主要指標的可靠性問題日益突出，因為在很多機械上機構的故障多於結構的故障，尤其是在航空航天及武器操縱系統方面。由於這些機構的運轉特性，振動可靠性的研究亦佔有突出的位置。
  12. The application of large flexible structures result in adaptability of design and manufacture, improvement of performance and reduction of launch cost. at the same time, it also introduced serious vibration problems

    這類大型柔性附件的大量使用，一方面增加了航天器設計和製造上的靈活性，增強了航天器功能，降低了發射成本，另一方面，由此帶來的振動問題也越來越突出。
  13. 3. after analyze to various methods of the synchronous control, decide to utilize a / d and d / a combines with the numerical pid control method to research the pc of synchronous controller and apply to the space vehicle ’ s vibration environment experiment

    3 .對同步控制的各種方法進行了分析，結合數字pid控制演算法，率先採用計算機自動測量和控制技術，將基於pc的a / d和d / a板卡應用於航天器環境模擬試驗的並聯雙振動臺系統中，解決了同步控制器研製的問題。
  14. With the prompt development of aviation, space, electron and mechanism, the problems of vibration controlling in various kinds of gentle structures are increasingly becoming a pop topic

    隨著航空、航天、電子、機械等技術的發展，各種柔性結構的振動控制問題也日益成為是一個熱門的話題。
  15. Integrated hydraulic system ( ihs ) offers many advantages including reduced connectors, size and complexity, and enhanced flexibility for installation and maintenance. it provides a cleaner, leak - free, less vibrant and more reliable solution to difficult machine control system problems. so it is widely used in such fields as mechanism, metallurgy, forging, aviation, space flight, shipping and soon

    液壓系統採用液壓閥集成配置，可以顯著減少管路聯接和接頭，降低系統的復雜性，增加現場添加和更改迴路的柔性，具有結構緊湊、安裝維護方便、泄漏少、振動小、利於實現典型液壓系統的集成化和標準化等優點，因此廣泛應用於機械、冶金、鍛壓、航空、航天、船舶等各個行業。
  16. In this thesis, active vibration control of foldable flexible structures with central rigid base ? one typical kind of space structure, is thoroughly investigated

    為此，本文基於智能結構思想，以折疊式航天柔性結構為研究背景，對中心剛體?折疊式柔性附件組合結構的振動主動控制問題進行了研究。
  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. Active vibration control technique is the key technology of designing of attitude control system for large flexible spacecraft to fulfill mission requirements such as precision pointing and integrity of structures

    航天器撓性結構的主動振動控制技術是大型航天器姿態控制系統設計的關鍵技術。
  19. Aerospace series - circuit breakers - test methods - combined test : temperature, altitude and vibration

    航空航天系列.斷路器.試驗方法.組合試驗:溫度高度和振動
  20. Aerospace series - circuits breakers - test methods - part 511 : combined test : temperature, altitude and vibration

    航空航天系列.斷路器.試驗方法.第511部分:組合試驗:溫度高度和振動
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