飛行周期 的英文怎麼說

中文拼音 [fēihángzhōuqī]
飛行周期 英文
flight cycle
  • 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...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 飛行 : flight; flying; aviate; voyage; volitate; hop
  1. The frame parts are important components to build the framework of the aircraft, which quality and efficiency of the machining determines the manufacturing time and performance of the whole aircraft. in present more time was spend in designing the fixture when producing the aircraft. so the technology of computer aided fixture design ( cafd ) was studied to meet the requirement of aircraft manufactuing enterprise to enduce the fixture design cost and enhance quality

    在結構件的數控加工中，要花費大量時間進行夾具設計，傳統的夾具設計方式已成為縮短飛機生產周期的瓶頸，快速地設計出滿足製造要求的夾具是飛機製造企業的迫切需要，計算機輔助夾具設計正是為了適應這一要求而產生的。
  2. A carrier air wing comes to fallon four or more times a year for carrier air wing training, a four - week course to prepare the wing for its first deployment as a fighting unit

    一個艦載飛行聯隊每年到法隆進行艦載飛行聯隊訓練的次數達到四次或者是更多，為期四周的課程使得聯隊能夠為其作為一個戰斗單位進行部署做好準備。
  3. Abstract : this paper introduces the principles of doppler radar signal processing method in the modulation. it provides the processing method for projectile tracer time, the burst time, rocket engine working time, projectile spin and flight attitude from signal of doppler radar

    文摘:介紹了測速雷達調制域彈道信息處理方法的工作原理，詳細論述了從測速雷達信號中處理彈丸曳光時間、底排燃燒工作時間、火箭發動機工作時間、彈丸旋轉速度、飛行姿態角和擺動周期等彈道信息的方法。
  4. The pilot program was developed with help from computer experts at the u. s. air force ' s research lab in rome, who four years ago created a 10 - week advanced course in engineering cyber security boot camp for the military ' s reserve officers training corps, said kamal jabbour, the lab ' s principal computer engineer

    斯皮納曾參與美國空軍飛行員的培訓工作。本次開設的信息安全課程是由位於羅姆市的美國空軍研究實驗室的電腦專家參與設計的。 2002年，該實驗室曾為美軍后備軍官訓練團開設了一項為期10周的信息安全培訓課程。
  5. 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。
  6. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置動量飛輪系統，基於經典控制理論設計俯仰通道的pid控制律，根據滾動?偏航通道耦合的特點，分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時，結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中，為了解決不能獲得角速度信號的問題，採用terasaki提出的非最小相位控制器進行控制。
  7. This paper investigates the condition and actual problems of civil airplane development, and then brings forward the plan that the correct management concept must be set up first, and we improve on the management process with this idea : in view of the complication and the condition of civil airplane development, general organizing structure in project management, we redesign the organizing structure - the strong matrix based the tetrahedral coordinates. analyze the management job of the civil airplane development, then research management process with the idea of project management, set up the new whole work flow. research some work flow such as risk management as a hotspot in project management

    本文針對民用飛機研製的現狀及存在的問題，提出了必須建立現代項目管理理念，用項目管理的思想來改進民機研製的管理流程：針對民機的復雜性，結合項目管理常用組織結構和民機研製項目現有的情況，對民機研製的組織結構進行了重組，建立了基於「四坐標」管理的強矩陣組織結構；在對民用飛機研製的管理工作充分分析的基礎上，按項目的生命周期，用項目管理的方法對民機研製的管理流程進行了研究，建立了新的、符合項目管理要求的民機研製項目總體流程；研究了民機研製項目具體工作流程。
  8. In this paper, the design technical management and synthesis of engineering specialty in each stage of airplane life span is discussed emphasisly, in the light of the development of a certain medium - range aifto - ground missile bomber and a certain air4o - ship missile bomber. the principle and method of engineering system engineering is adopted to the management of airplane design technique. by drawing on the experience of advanced management from foreign airplane ' s abstract development, the standardized method of the design technical management and synthesis of engineering specialty in each stage of airplane life span is presented in this paper

    本文結合某型中程空地導彈機和某型空艦導彈機不同階段的研製，對飛機壽命周期各階段設計技術管理和工程專業的綜合進行了重點研究，把工程系統工程的原理和方法應用到飛機設計技術管理中，借鑒了國外飛機研製的先進管理方法，提出了飛機壽命周期各階段設計技術管理和工程專業綜合的規范化方法。
  9. The aircraft ' s longitudinal motion short period poles and long period zeros in right plan e may make the aircraft control system be not got by only using qft. so pole and zero assignment by state feedback is needed to change this circumstances and then qft is used to get the control system. simulink results are given to prove at the system meets the requirements.

    飛機縱向運動方程的短周期和長周期的右半平面可能存在零極點對問題，這對飛機控製造成不利影響，直接利用定量反饋理論不能滿足要求。本次論文首先進行短周期狀態反饋極點配置，然後利用定量反饋來解決這個問題。通過模擬分析得到滿意的結果。
  10. When travelers pass from one time zone to another, they suffer from disrupted circadian rhythms, an uncomfortable feeling known as jet lag

    當旅行者在一個短時間里到達另一個時區，他們會由於生物周期打亂而感不適，就像我們所知道的飛行時差。
  11. In the air combat simulation, since the system runs in the way of time frame cycle, the flying locus of the weapon, such as missile, changes as a dispersing function, and its movement is much faster than the target ( moving or static ) comparatively, so some errors emerge when the collision test is calculated between the weapon and the target

    摘要空戰模擬中，由於模擬系統採用時間幀周期方法調控系統的解算，致使導彈等武器的飛行彈道呈離散函數變化，而導彈等武器的飛行相對于靶標（運動或靜止）是一個快速運動，這樣，武器與靶標的碰撞解算就會引出很多誤差問題。
  12. Thus the classical self - destructing all - objective experiment to half - objective forecasting experiment in laboratory to achieve the aims such as shortening research and manufacture time, saving developing funds, enhancing reliability and success proportion

    它用來在地面檢測飛行器舵機性能，將傳統的自破壞的全實物實驗轉化為實驗室條件下的半實物預測性實驗，以達到縮短研製周期、節約研製經費、提高可靠性和成功率的目的。
  13. On the basis of collecting and processing many datum and materials. firstly. this paper analyzes main activities and cost constitutions of each stage of the life cycle of a fcs, and lay a foundation for later analysis and evaluation of system lcc. secondly, a basis method and usage range for estimating the system lcc are introduced. a multivariate linear regression model of pcs development cost and cost driven factor is built by use of the parametric method and supplies the base of cost estimation of newly - developed systems. thirdly, combine actual examples and make statistical analysis of lcc of a certain pcs developed by our institute, predict unhappened usage and service cost with grey prediction method, obtain proportion of each constitute to the lcc. forthly, according to actual conditions, use the fuzzy theory to overall evaluate efficacy of the fcs, fifthly, combimng our actual conditions, investigate specific measures of how to implement the life cycle cost management in our institute and put forward a new conception of developing web - based flight control system lcc management information system with pdm as the platform. at last, investigate important factors such as reliability and maintainability that may affect the life cycle cost of the fcs in detail, and put forward specific methods of lowering the life cycle cost of the fcs

    論文在收集和整理大量資料的基礎上，首先深入分析了飛控系統壽命周期各階段的主要活動以及各階段的費用構成，為以後系統壽命周期費用的分析和評價奠定了基礎；其次，介紹了壽命周期費用估算的基本方法和使用范圍，並利用參數法建立了飛控系統研製費用與費用驅動因子的多元線性回歸模型，為新研系統的費用估算提供了依據；第三，結合實例對我所研製的某型飛控系統的壽命周期費用進行統計分析，運用灰色預測方法對未發生的使用及維修費用進行預測，得出了該系統的壽命周期費用以及各組成部分所佔比例；第四，根據實際情況，首次運用模糊理論對飛控系統的系統效能進行了綜合評價，構造了飛控系統系統效能模糊綜合評價模型；第五，結合我所實際，探討了如何在本單位實施加強壽命周期費用管理的具體措施，提出以pdm為平臺，開發基於web的飛控系統lcc管理信息系統的新構思；最後，對影響飛控系統壽命周期費用的重要因素如可靠性和維修性等進行了詳細地研究，提出了降低飛控系統壽命周期費用的具體方法。
  14. Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device

    本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究，研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論，推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝，在玻璃表面上製作了一塊面積為70mm 70mm ，線寬為5 m ，線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用，而且不影響精確制導的紅外線高效透過。
  15. The first class methods are the classical frequency domain - based equivalent system methods ( f - esm ) which recommended by mil - f - 8785c and mil - std - 1797a. five longitudinal low order equivalent systems and fourteen lateral ones are discussed in detail and some pieces of advice are given. also conduct an investigation in the time domain - based equivalent system methods ( t - esm ). and for longitude short period movement, two least square ( ls ) identification methods of estimating its parameters are studied

    研究了求取高增穩飛機的低階等效系統的幾種方法：研究了經典的頻域等效系統方法，針對縱向5種、橫向14種構型的低階等效系統進行了擬配實踐，並提出一些有益的看法；以頻域等效系統方法為基礎，提出了時域等效系統新方法；以最小二乘辨識為基礎，提出了兩種縱向短周期低階等效系統時域辨識方法（等效延遲時間_ q參與或不參與） 。
  16. A flight trajectory math model of an assumed cruise aircraft is built according to a simple blue print of the flight control system, with the foundation of a particular analysis of its kinematics and dynamics. a linear light - disturbed minor - cycled movement model and the transform function models are got through some simplifications

    本文以某個虛構的巡航式飛行器的飛行控制系統為研究對象，首先討論了一個簡單的總體方案，然後根據此方案，在詳細分析此飛行器運動學與動力學的基礎上，建立了飛行器飛行模擬數學模型，並在允許的條件下進行簡化得出了此飛行器線性化小擾動短周期運動模型與傳遞函數模擬模型。
  17. The following conclusions have been drawn from this research program, : ( 1 ) the model following architecture allows for straightforward implementation of requirements of handling quality standard, and it can be utilized for helicopter handling quality design. ( 2 ) the adaptive model - inverse control theory can provide the referenced helicopter with consistent handling quality throughout its operating envelope, with requiring only an approximate linear model at a single operating point. ( 3 ) the technology of adaptive neural network model - inverse control can reduce costs and period associated with pcs development

    通過該課題的研究，得到以下結論： （ 1 ）參考模型跟蹤結構能夠直接實現飛行品質規范要求，可以用於直升機飛行品質設計； （ 2 ）自適應模型逆控制方法只需一個基準狀態下的近似線性模型，卻可在整個使用包線內提供協調一致的飛行品質； （ 3 ）自適應神經網路模型逆控制技術可節約成本，縮短飛控系統研製周期； （ 4 ）在某些部件部分意外失效或戰損情況下，自適應神經網路具有實現控制的在線快速重新配置、保持飛行品質的潛力； （ 5 ）軌跡跟蹤控制器可以用於任務科目基元模擬及飛行品質評估。
  18. Assembly fixture is a large scale tooling for orientation and clamping in aircraft ' s assembly, and directly affects the period and quality of aircraft production

    型架是飛機裝配過程中，對零件、組件進行定位夾緊的一類大型的夾具，其設計製造周期和質量直接影響到飛機研製的周期和質量。
  19. We have fewer flying hours and fewer planes at an equivalent point in the development cycle, but we are further along because we have more experience and better tools

    在研發周期相同的階段，我們的飛行時數和使用的飛機都要少得多，但我們的研究要更為深入，因為我們更有經驗了，工具也更強大了。
  20. The output of this research can help the manufacturers to optimize their design, manage and control their suppliers and finally reduce the total life cycle maintenance cost during the period of designing the aircraft. meanwhile it can help the manufacturers to do their market - exploit

    進行設計階段的維修成本主要是直接維修成本的分析工作可以為民機製造商在進行優化設計時提供輸入以及在管理和控制供應商方面提供數據支持並最終達到降低飛機全壽命周期成本的目的。
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