飛機飛行特性 的英文怎麼說
中文拼音 [fēijīfēihángtèxìng]
飛機飛行特性
英文
aircraft nisht- 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...
- 機 : machineengine
- 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...
- 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 ...
- 飛機 : airplane; plane; aeroplane; kite; bird; aircraft
- 飛行 : flight; flying; aviate; voyage; volitate; hop
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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A three - dimensional rigid body model is used to study the landing of a helicopter in autorotation
首先,建立了一個描述直升機自轉著陸飛行動力學特性的三維剛性體模型。On the basis of the research on the arresting behavior of the carrier aircraft, the arresting model of the continental rise aircraft as well as its motion analysis is presented in the paper
本文對飛機著陸攔阻的技術進行了較深入的研究,主要是針對陸基飛機,借鑒艦載飛機的攔阻特性進行了攔阻鉤的建模及其運動學分析。Acute altitude hypoxia and fulminating altitude hypoxia is the most harmful one of many worse environmental factors for pilots
在諸多不利的環境因素中,對飛行人員特別是軍用飛機飛行人員威脅最大、影響最為明顯的是高空急性缺氧和暴發性缺氧。The evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures
敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程,介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況,這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平Abstract : the evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures
文摘:敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程,介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況,這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平A mathematical model reflecting the tilt rotor unsteady and nonlinear aerodynamic characteristics in the longitudinal channel is presented in the paper. in the full flight envelope, the rotor thrust continues tilting and the aerodynamic forces of each component change as a function of airspeed and nacelle angle
在整個飛行包線內,旋翼的推力矢量方向不斷變化,飛機各部件的氣動力隨發動機短艙傾角和空速的變化而變化,因而飛機的飛行動力學有很強的非定常、非線性特性。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。Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country
本文介紹了飛機電力線載波數據通信系統的結構,並對低壓電力線的通道特性進行了分析;對qpsk調制演算法及均方根升餘弦低通濾波演算法進行了詳細論證;設計出基於qpsk的調制解調模塊,並在此基礎上,研製出以dsp和cpld為最小系統的調制解調硬體電路板,開發了調制解調模塊電路板的應用軟體程序。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。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。The modern unmanned helicopter flight control system is generally composed of the flight control computer, the servo driving mechanism, the sensor, and the ground monitor control system etc. in this thesis the research to the helicopter flight characteristics was conducted at first, and its flight dynamic model was preliminary discussed, especially the mathematic model under hung - stop condition was formulated and the algorithm of the controller was designed in detail
現代無人直升機飛行控制系統一般由飛行控制計算機、伺服驅動機構、傳感器、地面監測控制等分系統組成。本文首先對直升機的飛行特性進行了研究,並且對飛行動力數學模型做了初步探討,尤其對在懸停狀態下的數學模型做了較為詳盡的公式推導和控制器的演算法設計。Firstly discussing basic type of computer redundant structure and characteristic of the systems, the self - monitoring dual redundancy computer systems is brought forward as the design scheme for the required flight control computer system. the redundant structure is researched about reliability by using markor model and is carefully designed
首先分析了計算機冗餘結構的基本類型以及本次設計的要求特點,選擇了自監控二冗餘飛行控制計算機系統的設計方案,運用馬爾科夫模型對此冗餘系統的可靠性進行了計算研究,並且對此冗餘結構進行了詳細地描述及設計。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。The main factors which affected the flight stability quality included : forward flight speed, slung - load and helicopter mass ration, slung - load aerodynamic forces and cable length, etc. through adjusting the above structure and performance parameters, rational flight parameters can be decided, which can ensure the safe helicopter mission operations of the slung - load flight
影響飛行品質穩定性要求的主要因素為:直升機飛行速度、吊掛物/直升機質量比、吊掛物氣動特性、吊掛鋼索長度等。通過對上述結構參數、性能參數的調節,可確定合理、經濟的飛行參數,保證安全、高效的完成直升機機外吊掛飛行運輸任務。In the course of developing and before application, the performance of carrier - borne aircraft illuminated guidance system under the environmental state of movement should be tested firstly, especially the performances and state measures of glide indicator, rolling indicator and gyrohorizon which offer ship ' s movement postures to carrier - borne aircraft in the illuminated guidance system, this needs to offer a artificial carrier on the land that can imitate ship ' s movement in the water. at present, simulating table only has single degree of freedom at home application to carrier - borne aircraft illuminated guidance system which need change test and measurement situation and adjust benchmark in the course of experiment
艦載機燈光引導系統作為艦載機著艦引導特輔裝置是載機艦船上不可或缺的特種裝置,是保證飛行員的生命安全和艦載機安全回收的重要手段。其在開發過程中以及正式安裝使用前,首先要通過在運動環境狀態下的性能測試,特別是燈光引導系統中為艦載機提供艦船運動姿態的下滑指示器、橫搖指示器以及陀螺地平儀的性能和狀態檢測,這就需要在陸地上為它們提供一個可模擬艦船在水面運動的載體。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。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。Because of the periodicity of the hub oscillatory load and the nonlinearity of the i / o relationship of the smart rotor, the neural control methods with both off - line and on - line modeling in frequency domain on the smart rotor and their realization procedures are presented
飛行中直升機的槳轂交變載荷以周期性的為主,而智能旋翼的輸入輸出關系具有非線性特徵。據此,本文提出離線建模的和在線建模的智能旋翼頻域神經控制方法,並給出實現的具體方案細節。Research on ac500 aircraft spin flight test
500飛機尾旋特性飛行試驗研究At the same time, aircraft ' s mass properties are the bases of structure design and other disciplines involved in the design process. in order to ensure design success, it is crucial that database technology should be used in aircraft ' s mass property management and calculation
同時,飛機質量特性數據是其它專業進行計算的基礎,是結構設計的重要依據,其計算的準確性和有效的管理直接關繫到飛機設計的成敗,利用數據庫技術進行飛機質量特性分析與管理是實現重量設計與管理的有效手段。分享友人