起飛特性 的英文怎麼說

中文拼音 [qǐfēitèxìng]
起飛特性 英文
takeoff behavior
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 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...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 起飛 : （of aircraft） take off; lift-off; launch; hop off
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. With the wide application of carbon / phenolic composite in spacecrafts and missile hulls, the prediction of dynamic response or internal damage of structures subject to explosion, impact or the shock wave induced from the sediment of high - energy particle beam and the evaluation of capability of composite in defending stress wave, aroused the study of the constitutive relation and the characteristic of stress wave propagating

    隨著碳酚醛在航天飛行器結構及導彈殼體中日益廣泛的應用，預測結構受到爆炸作用、沖擊或由於高能粒子束在其表層大量沉積而產生的應力波所引起的動態響應及內部損傷，以及對其防護應力波的性能進行評估等，都需要對碳酚醛的本構關系以及應力波在其中的傳播特性開展研究。
  2. After this season of congealed dampness came a spell of dry frost, when strange birds from behind the north pole began to arrive silently on the upland of flintcomb - ash ; gaunt spectral creatures with tragical eyes - eyes which had witnessed scenes of cataclysmal horror in inaccessible polar regions of a magnitude such as no human being had ever conceived, in curdling temperatures that no man could endure ; which had beheld the crash of icebergs and the slide of snow hills by the shooting light of the aurora ; been half blinded by the whirl of colossal storms and terraqueous distortions ; and retained the expression of feature that such scenes had engendered

    潮氣結為霧淞的季節過去了，接著而來的是一段乾燥的霜凍時期，北極後面一些奇怪的鳥兒開始悄悄地飛到燧石山的高地上來這些骨瘦如柴的鬼怪似的鳥兒，長著悲傷的眼睛，在人類無法想象其廣袤寥廓的人跡罕至的極地，在人類無法忍受的凝固血液的氣溫里，這種眼睛曾經目睹過災難性地質變遷的恐怖在黎明女神播灑出來的光明裡，親眼看到過冰山的崩裂，雪山的滑動在巨大的暴風雪和海水陸地的巨變所引起的漩流中，它們的眼睛被弄得瞎了一半在它們的眼睛里，至今還保留著當時看到這種場面的表情特點。
  3. Especially the quickly growing up of network economy, information technology, and finance industry challenged the traditional financial report greatly which is characteristic of historical cost principle, realized - matching principle and conservatism principle. all kinds of condemnation flew over like snowflake. it arouses us to think that whether current financial report is losing their prime value and importance gradually or not

    尤其是網路經濟、信息技術、金融業的迅猛崛起，更使以歷史成本原則、實現?配比原則和穩健原則為特徵的傳統財務報告模式受到了前所未有的挑戰，各種譴責如雪片般飛來，這不僅我們沉思；現行的財務報表是否正在逐漸失去它們原有的價值和重要性
  4. 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。
  5. This article, through analysis different system radar ’ s superiority and limitation in target identification, proposes to unite the convention air defense radar ’ s echo characteristic and the electronic support sensory system ’ s aircraft - borne radiant characteristic, structure reasonable recognition system. it can satisfie the airplane target identification demand under the different background

    本文通過分析不同體制雷達在目標識別上的優勢和局限性，提出把常規防空雷達回波特徵和電子支援偵察系統得到的機載輻射源特徵聯合起來，構造合理的識別系統的新思路，以此來滿足不同背景下對飛機目標識別的需求。
  6. In order to study the flight characteristics and control rules in taking off and landing period better to promote flight safety of uav in this stage, we started the study of take off and landing simulation system research of uav based on a certain type of uav

    為更好地研究無人機在起飛、著陸階段的飛行特性，控制規律，以保證無人機在這一階段的飛行安全，我們以某型無人機為對象進行無人機的起飛、著陸模擬系統研究。
  7. A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  8. The research results show that the landing gear and full craft simulation analysis on adams / aircraft is highly reliable. the full craft model lays the foundatio n for the further simulation analysis about landing and taxiing

    研究結果對該大型運輸飛機起落架動力學分析與設計具有重要的參考價值，對起落架地面運動動力學特性的進一步分析與設計起到了很好的基礎性作用。
  9. The thermal wave nondestructive testing technology based on emissivity of the object, it can find surface and subsurface flaws in the composites of airplane through measuring difference in temperature between flaws and materials by active heating methods and inspection system

    摘要紅外熱波無損檢測基於物體的熱輻射特性，利用主動加熱技術，通過相關的檢測系統記錄試件表面缺陷和基體材料由於不同熱特性引起的溫度差異，進而判定飛機復合材料表面及內部的損傷。
  10. According to the re - attacking property of the drone using the method of zero times sample test, the loss of the drone in flight test is decreased. after the data of hitting point is gotten in test, the bayesian method, which is based on the data of the test and the information of the simulation before the test, is used to analysize the precision guidance

    對飛行試驗的靶試結果的分析，採用了兩種方法：零次靶試和小子樣靶試，零次靶試利用了無人機可拉起后進行重復攻擊的特性，以減少試驗損失，在得到落點數據后，運用bayes方法對落點信息和模擬信息進行分析，獲得其制導精度。
  11. Abstract : a large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    文摘:應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  12. Taken into consideration the specific features of the complex highland airfields and airlines in western china, this thesis presents certain analysis as well as management strategies and methods for aircraft take - off and landing performance, drift - down with one - engine out en route and oxygen supply for passenger cabin ' s depressurization

    針對中國西部地區高原復雜機場及航線的特點，對飛機起飛和著陸性能進行了分析，對航路中發失效的飄降和客艙釋壓的供氧提出了分析和管理的策略。
  13. In the picosecond and femtosecond time field, the durations of the pump and signal pulses are so short that special propagating characteristics of ultrashort pulse laser should be taken into account, especially the pulse broadening induced by the group velocity mismatch and the group velocity dispersion

    在皮秒和飛秒時域，由於泵浦光與產生的信號光的持續時間特別短，故在討論超短脈沖與物質相互作用時必須計及超短脈沖在介質中傳輸的特殊性質，尤其是群速失配與群速色散引起的脈沖展寬。
  14. Based on the mechanism of slipstream interaction, described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail. subsequently, the changes in lift 、 drag and pitching moment are derived, giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft. this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft, providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft

    本文以滑流干擾的機理為出發點，研究了螺旋槳滑流與飛機機翼、機身、平尾組合體之間的相互影響，推導出滑流引起的飛機升力、阻力和俯仰力矩的變化，給出了滑流干擾對機體氣動特性影響的工程估算方法，為研究螺旋槳與飛機部件之間的相互干擾提供了有力的工具，為以螺旋槳發動機為動力的飛機的設計和氣動計算提供可靠的依據。
  15. Abstract : the reflective characteristics of sea and sky background radiation, which have important effect on the infrared signature from flight vehicle above sea, are studied in the paper. the statistical distribution of wave facet directions is discussed, the effects of randomly riging and falling sea wave on the sea surface radiation and on the sun light reflection are also discussed. calculation methods of irradiance from sea surface radiation and reflected sun light on observation point are derived in the paper. finally a computation example is given, which shows the sea and sky background radiation has important effect on infrared characteristic especially in the front area of a flight vehicle

    文摘:研究了對近海飛行體的紅外特性有重要影響的海空背景輻射的反射特性.討論了波浪面起伏隨機規律，隨機起伏對海面自身輻射及對陽光反射的影響，推演了此種隨機起伏波浪面的自身輻射及反射的陽光在觀測點形成的輻照度的計算方法.給出的算例結果表明，海空背景對飛行體的紅外特性尤其對其前半球的紅外特性有重要的意義
  16. Upon the dawn of the 21st century, the social and economic system with companies as its core is facing dramatic changes, the main feature of which is the emerging of organizations characterized by it, knowledge accumulation and sharing, as well as the shift of sparseness among various resources

    在人類邁入21世紀時，以企業為核心的社會經濟系統正面臨著一個巨大的飛躍。其基本標志就是信息技術、知識積累和知識共享為特徵的組織的興起，各種資源的稀缺性發生了相對轉移，進而對原有的企業內在和外在的框架提出了挑戰。
  17. Three axis optical tracking test table is a kind of powerful instrument used to reproduce the flying posture of flying weapons in laboratory. the test table, together with equipment producing target, simulates the attacked target and flying missile, which can really simulate the various flying postures in space and dynamic characteristics. thus, the performance of sensors, control system and actuator and so on can be tested and evaluated, which provides various reference bases for developing, improving and redesigning flying weapons

    三軸光學跟蹤試驗轉臺是一種在實驗室條件下復現飛行器或導彈在空中飛行姿態半實物模擬的有力工具，它和目標發生裝置組合在一起模擬導彈跟蹤目標的過程，可以真實地模擬出導彈等飛行器在空間的各種姿態和動力學特性，從而對其傳感器件、控制系統和執行機構等硬體設備的性能加以測試和評價，為飛行器的研製、改進和再設計提供各種參考依據。
  18. On the base of the soft about the deformation of aerodynamic configuration of mav, the advanced controlling technique of the deformation o f aerodynamic configuration about the prototype mav will be explored. based on the characteristic of micro air vehicle, this paper abstracted the aerodynamic evaluation mathematics models, developed a aerodynamic engineering estimation program, all kinds of aerodynamic configuration was compared and analyzed, found the perfect configuration and got the prototype of mav. abstracted the model about the deformation of aerodynamic configuration on base of the method of vortex lattice, developed the program for researching the performance of the deformation of aerodynamic configuration

    本文針對mav的具體特點，抽象出mav的氣動工程計算數學模型，建立起氣動工程估算環境，對各種氣動布局進行了氣動特性比較分析與綜合，尋求出理想的mav氣動布局方案並提出mav原型機，抽象出基於渦格法的氣動外形形變的數學模型，建立起氣動外形形變性能研究環境，探討新型的飛行控制方法和氣動力控制策略，在得出氣動外形形變模型的初始方案后，對其進行進一步的優化，最後得出理想的氣動外形形變執行機構組合陣列。
  19. Spacecrafts are working in the space environment, which is full of sorts of physical mediums. and these mediums will impact on the altitude movement of spacecraft. spacecraft attitude control during propulsive maneuvers is complicated due to several factors as listed below : ( i ) nonlinear dynamics with time delays, ( ii ) modeling and parameter uncertainties, ( iii ) flexible modes due to fuel sloshing and appendages, ( vi ) constraints on propulsive force and torque inputs, ( v ) constraints on acceptable angular rates and attitude, ( iv ) autonomous reconfiguration requirements under failure conditions

    飛行器是在一定的空間環境中飛行，而空間環境中充滿著各種物理介質，對飛行器的姿態運動產生不同程度的影響，所以空間飛行器的姿態控制相當復雜，它受到如下因素的制約： （ ? ）帶時延的非線性動態特性（ ? ）模型和參數的不確定性（ ? ）燃料的激蕩性以及燃料消耗所引起飛行器的質量變化（ ? ）推力和輸入力矩的約束性（ ? ）額定角速度約束和姿態約束（ ? ）在故障發生的情況下自動重新配置的必要性。
  20. And according to characters among different block sets in matlab, the generator model and the other models are linked together. so the simulation models of different kinds of aircraft epgs can be established easily

    根據matlab不同模塊之間的連接特性，將發電機模型和上述其它元件的模型連接起來，可以方便地組成不同類型的飛機電源系統。
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