飛行速率 的英文怎麼說

中文拼音 [fēihángsùlǜ]
飛行速率 英文
flight eed
  • 飛 : Ⅰ動詞1 （鳥、蟲等在空中活動） fly; flit 2 （利用動力機械在空中行動） fly 3 （在空中飄浮遊動） fly...
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 飛行 : flight; flying; aviate; voyage; volitate; hop
  • 速率 : speed; rate; tempo
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  2. Polar curve - a graph showing the performance of a wing based on it ' s airspeed and sink rate

    滑降比特性曲線用圖表顯示飛行傘飛行對空速度及沈降率基本特性。
  3. The best glide speed varies with changes in lift / sink and wind conditions ( head / tail wind )

    最佳滑降比飛行速度（對空速度）改變經常取決于飛行傘上升率及沈降率或者是飛行傘順風、逆風飛行狀況。
  4. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲彈總體參量作了全面的計算分析，其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度，論證了子母式穿甲彈對付爆炸式反應裝甲的可行性，然後對子母式穿甲彈彈頭部進行了總體設計，其中主要對子彈的發射過程進行了詳細的分析，得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系，設計出了合理的母彈彈頭部結構和子彈的結構，並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。
  5. In high - performance aircraft the pilots are vulnerable to ci because of some of the aircrafts " characteristics, which include high sustained + gz ( hsg ) acceleration, high rate of onset and high angular acceleration etc. so it has all the while been attached much importance to the studies on the mechanism of ci and the preventing and overcoming method of ci by the researchers in aviation medicine field

    目前以f - 16 、蘇- 27為代表的高性能戰斗機，其所具有的持續高加速度（ + gz ） 、高加速度增長率、高角加速度的特點更易導致飛行中科里奧利錯覺的發生，嚴重危害飛行安全。因此，對科里奧利錯覺的機理及預防與克服研究在航空醫學中一直受到人們的重視。
  6. Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target

    本文主要完成了以下幾個方面的工作：對導彈可發射區和飛機可攻擊區進行建模，通過對導彈彈道的模擬計算，並運用典型的圓概率偏差精度分析方法，詳細討論了飛機實施攻擊時，飛機的飛行高度h 、速度v 、俯仰角、與目標的偏離角_ x及目標運動特性等對飛機攻擊時機和導彈發射時機的影響；因此，將飛機和導彈結合起來，詳細研究了飛機在垂直平面和水平平面內實施攻擊時，飛機俯沖角和與目標的偏離角_ x對飛機的攻擊范圍的影響；以飛機實施攻擊的時間t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果；最後給出典型算例，通過對空地攻擊過程的模擬實現，對飛機飛行過載提出要求。
  7. Development of electromechanical actuation system for flight control is one of the most important technologies in the path to all - electric airplane

    摘要飛行控制中機電作動系統的發展是全電飛機的重要技術之一，而高速大功率密度的無刷直流電動機是其中的關鍵部件。
  8. The experimental results show that the wave shaper can control the moving direction of the rod fragments after the warheads exploded and ensure the integrity rate of the rod and that there is a close relationship between the flight attitude and the positioned angle, which is mainly reflected by the rotation velocity of the rod

    試驗結果表明：採用波形控制器可以較好地控制戰斗部爆炸后桿形破片的飛散方向，以及保證桿條的完整率；桿條的飛行姿態與放置角有密切關系，主要通過桿條旋轉速度表現出來。
  9. During the procedure of long - distance high - speed flight of flying objects, the measuring precision of the mass characteristic parameters is vital to the flight stability, controllability, maneuverability, hit rate of flying objects

    在高速遠程飛行物體的飛行及命中目標過程中，質量特性參數測量的精確與否對高速遠程飛行物體飛行的穩定性、可操控性、機動性及命中率有著舉足輕重的作用。
  10. Compared with general aircrafts and ships, the wing - in - ground air vehicle features high aerodynamic efficiency, safety, high speed, comprehensive use and potential development toward huge vehicle of thousands tons

    地效飛行器與一般的飛機和船舶相比，具有氣動效率高、安全性好、速度快、可用作多方面的執行任務的交通工具，能向幾千噸位的大型化發展等優勢特點。
  11. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。
  12. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間（防止脆性金屬間化合物的過度增長）等措施，確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型，對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  13. We move about, even in jet travel, at speeds far less than the speed of light.

    我們即使是乘飛機旅行，運動的速率也遠小於光速。
  14. Any time, anywhere, on anything ? on an ongoing basis. this means youll earn air miles three times faster. whats more, from february 1, 2004, the air mile conversion rate is lowered from 12. 8 points to just 12 points for 1 air mile subject to an administrative fee

    換言之，您將可以3倍速度憑積分兌換飛行里數，早日現實夢想假期而更重要的是，由2004年2月1日起，每1飛行里數之兌換率，將由12 . 8運通積分調低至12分須繳付手續費
  15. Modern high - performance fighter planes can develop very high acceleration ( + gz ). under such a situation, pilots have to undertake a high - sustained g acceleration stress, which may produce loss of consciousness ( g - loc ), even result in fatal flight accidents

    現代高性能戰斗機在機動飛行中可產生很高的正加速度（ + gz ） ，飛行員中+ gz致意識喪失（ g - loc ）的發生率增多，對飛行安全構成嚴重威脅。
  16. Vario - an electronic instrument that displays the altitude + the rate of climb / sink. a vario produes variable audio sounds to indicate whether the pilot is going up or down

    升降速率表能夠顯示飛行傘所在高度，爬升或沈降速率變化（上升率或下降率）的電子儀器產品，並使用不同電子音響聲音及頻率，辨別飛行中是在爬升或是下降情況。
  17. The application of control law developed above to the problem of reconflgurable flight control is described. based on the simulation results, the effects of learning rate ( or adaptation gain ) and slide model terms on the control system are discussed. comparing with adaptive control, the control law is helpful to improve system ' s transition response and reduce undesirable oscillations, provides nearly perfect tracking in the case of undetected failure

    4 、探討了所設計的控制律在重構飛行控制中的應用，討論了自適應調整率對自適應控制性能的影響、滑模魯棒控制補償項對控制性能的影響；對幾種舵面損傷的模擬結果表明，本文的控制律較自適應控制具有響應改善速度快、響應振蕩小的優點，具有較好的重構功能。
  18. It includes esm and t - esm and some flying quality evaluating laws such as the bandwidth law ( bwl ), the neal - smith law ( nsl ), the chalk law ( cl ) and the c * law. this software is useful for the design of flight control systems

    該軟體包可以用頻域等效系統方法、時域等效系統方法、帶寬準則、閉環準則、俯仰角速率準則、 c準則等進行飛行品質的計算及評估，對飛控系統設計有實用價值。
  19. The reaction flywheel control system was designed by using pwm technology under the velocity control mode, and the hardware circuit was also set up

    設計了由pwm脈寬調制技術構建的工作在速率控制模式下的反作用飛輪控制系統，並對其硬體電路進行了具體實現。
  20. And then the stability and the stable error response of the dpll are analyzed. there is an obvious doppler shift frequency offset in the received signal with flight at a high speed, in the dissertation the uniform sampling second - order dpll is used to remove the frequency bias for its excellent high - pass characteristic of the error transfer function

    由於高速飛行的遙測目標在接收信號中會出現較大的多普勒頻率分量，而典型均勻采樣二階數字鎖相環dpll （ digitalphase - lockedloop ）的誤差函數具有高通特性，所以本文提出一種利用其高通特性來去除多普勒頻率分量的新方法。
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