飛機性能計算 的英文怎麼說

中文拼音 [fēijīxìngnéngjìsuàn]
飛機性能計算 英文
airplane performance computation
  • 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
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 能 : 能名詞（姓氏） a surname
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 飛機 : airplane; plane; aeroplane; kite; bird; aircraft
  • 計算 : 1 （求得未知數） count; compute; calculate; reckon; enumerate 2 （考慮; 籌劃） consideration; pla...
  1. Because it ’ s hard to get radiation - harden hardware overseas, so the software fault tolerance techniques are significant for our national space enterprise. the computer platform of 863 plan project ” micro intelligent free - flying space robotic system ” consists of cots component. the orbit and the radiation environment of the robot are similar to ones of the argos satellite, and the system is required to have high reliability. therefore it ’ s necessary to applied the software fault tolerance techniques into the system to improve the anti - radiation capability after the techniques been verified valid

    因為我國很難從國外獲得輻射加固的硬體，所以，這項軟體容錯技術對我國航天事業的發展具有較大意義。 863計劃項目「小型智能飛行機器人系統」所用的計算機平臺採用商用器件，其衛星的運行軌道與argos衛星軌道近似，面臨的輻射環境與argos衛星相似，要求具有高可靠性。因此，小型智能飛行機器人系統有必要在驗證sihft技術有效的基礎上，應用軟體容錯技術，提高其空間抗輻射能力。
  2. On the basis of introducing the principle of the tf / ar radar, this paper analyzes the conditions of effectively jamming the tf / ar radar in typical tactical act of hedgehopping, which include the disposition and quantity of electron reconnaissance / jammer, calculates the capability request of equipments in the method of sensor / hand - emplaced jammer, and concludes that it is difficult to jam tf / ar radar at the present time

    摘要在介紹地形跟隨迴避雷達工作原理的基礎上，通過設定典型超低空突防飛機的戰術行動，分析了對雷達實施有效干擾所必須具備的條件，包括偵察干擾機的部署、數量要求等；並計算了在傳感器擺放（投擲）式干擾機模式下對裝備的性能要求，得出了在目前技術條件下，對地形跟隨迴避雷達實施干擾在技術和戰術上都是困難的。
  3. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程，高超音速再入飛行時的升阻比，亞音速進場飛行時的升阻比，縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下，用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  4. Focusing on the flight control computer system of some type of airplane, this paper first analyzes the advantage and disadvantage of the structures of many kinds of fault tolerant flight control computer systems and their ability in tolerating fault, followed by summarizing the key design technology. the dual similar redundancy fault tolerant computer system is brought forward as the design scheme for the required flight control computer. also brought forward is the particular system design

    本文以某型號飛機飛控計算機系統為研究對象，首先分析了各種類型容錯飛控計算機體系結構的優缺點及容錯能力，總結了容錯計算機系統設計的關鍵技術，然後提出了二模相似余度容錯飛控計算機系統設計方案，詳細設計了以motorola公司生產的先進powerpc740微處理器為核心處理器、以高性能的國際標準化通用vme總線為內總線的交叉通道通信容錯計算機系統。
  5. 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。
  6. The oil loading system and the management of oil bin in the oil - bin area is intensive and the measurement method is under - developed at present time. in order to resolve this problem and realize the automatic management, this thesis analyzed the demands of the system, and then integrated the optical fiber sensing technology, the advanced computer technologies of hardware and software, the technologies of intelligent instrument, auto - control and communication ; finally a distributed and intelligent monitoring system of the automatic oil - loading system was developed. the thesis contains hardware design, software design and communication design

    為了解決罐區裝車手動付油與油罐手工檢尺測量勞動強度大，方法落後以及油庫安全性要求非常高的問題，提高油庫自動化和信息化管理水平，本文從監控系統用戶需求與功能分析入手，結合當前飛速發展的光纖傳感技術、計算機軟體、硬體技術、智能儀表技術、自動控制技術和通訊技術，開發了一套用於石化行業的基於光纖傳感技術的集自動付油管理及儲油液位、溫度等安全檢測功能於一體的油罐庫區自動付油管理系統。
  7. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法，研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量，採用多變量數值尋優方法，在戰術技術指標及相關幾何約束條件下，對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能，還改善了結構的受力情況，與工程實踐吻合
  8. Firstly, a 0 - 1 integer programming mathematical model is constructed to describe tail - number - assigning work happened in domestic airline, since the problem is npc, a unified polynomial algorithm which satisfies engineering requirement is unavailable. illuminated by the practical experience, a specific tna problem is classified into one of three typical tna modes : tna based on fleet dispatching commands, tna based on fleet balance application, tna based on minimum fleet requirement ; secondly, by simplifying and relaxing some minor constraints, corresponding mathematical models and heuristic algorithms are reconstructed for each typical tna mode ; finally, computing complexities are discussed

    為此論文在借鑒手工編制排班計劃經驗的基礎上，將一個具體的飛機排班問題，歸結為三種典型排班模式中的一種，即：基於飛機調度指令要求的排班問題，基於飛機使用均衡要求的排班問題和基於最少需用飛機數的排班問題，對于每種典型的飛機排班模式，在對次要的約束條件進行簡化、松馳的基礎上構造出相應的能夠滿足工程應用要求的啟發式演算法，並分析了演算法的復雜性。
  9. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  10. With the development of computer and information technology, people need not only the pretty outline, stabilization structure and reasonable space partition of building, but also safety, comfort, exchange of information and convenience etc., thus, a new kind of building - intelligent building was bound out

    隨著計算機技術和信息技術的飛速發展，人們對建築的要求除了造型的美觀、結構的穩定、空間劃分的合理等傳統要求以外，對建築的安全性、舒適性、便利性、信息交互性、節能等諸多方面提出了更高的要求，這些醞釀出了新一代的建築? ?智能建築。
  11. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結構及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大於煙氣的露點溫度；採用抗腐蝕材料作受熱面等防腐蝕的措施。
  12. The early abstract art provides rich resources to create new form of landscape architecture, and later after - modernism landscape architecture directly involved with the evolution of art and present in different styles such as pop art, minimalism and land art etc. the rationalism of philosophy of science and modernism urges the landscape architecture focuses on space and function of the design, and ecological idea plays more and more important role after 1960s

    科學哲學和「現代主義」的理性促使現代景觀構築景觀設計範式，關注空間、功能，並使「生態主義」的方法論成為60年代後景觀設計的科學主潮；計算機技術的突飛猛進，則為景觀設計的科學化提供了物質基礎；新材料、新技術的廣泛應用，也使得設計手段日趨豐富。
  13. In the thesis, the advanced cad ( computer aided design ) technology was combined with the intersecting knowledge including man - machine engineering, artificial intelligence method, database system, etc. on the base of ibm / catia, the corresponding modules, such as the database of knowledge and rule, the intelligentized suggestion, the various part assembly, the accessibility checkout, have been exploited. and a method of layout design which based on knowledge has been provided

    本文利用先進的計算機輔助設計（ computeraideddesign ）技術，結合人機工程學、人工智慧方法、數據庫知識等邊緣交叉學科知識，在ibm catia平臺上，實現了相應知識與準則的創建與實現、智能化裝配提示、各組件裝配、可達性檢查等功能，初步給出了基於知識與準則的飛機駕駛艙布局設計方法。
  14. Finally, the reconstructed surfaces were used in computer aided visualization of electrical design of airborne radome. on contrary to the traditional way of computing the angles of incidence by solving the problem that where the ray of electromagnetic waves intersected with the surface of radome, our method can express the distribution of the value of the angle of incidence on airborne radome succinctly and efficiently

    最後將重塑曲面應用在某型飛機雷達罩電性能參數的計算機輔助可視化設計中，改進了原有方法通過雷達電磁波入射線同雷達罩表面曲面求交解方程獲得入射角的繁瑣設計方式，快速直觀有效地表達了入射角參數在雷達罩表面的分佈情況。
  15. Man was landing on the moon ; huge computers made thousands of calculations a second ; the basic genetic code had been broken ; major infectious diseases had been defeated through antibiotics and vaccination ; concorde was flying at twice the speed of sound and for the first time we could watch colour tv transmitted live from around the world

    人類曾經登上了月球，巨型計算機在一秒的時間內完成成千上萬的計算、基本的遺傳密碼得到破解、通過抗生素和免疫接種使傳染性疾病得到控制、協和式飛機也曾以兩倍于音速飛行，我們也第一次能看到全球實況直播的彩色電視節目。
  16. Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd

    測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ，由它對超聲波回波脈沖進行ad采樣后，計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ，由它對收發組件輸出的多普勒回波進行采樣，計算出目標運動速度后，送給輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ，並且在液晶顯示器上顯示速度信息。
  17. Based on the analysis of the definition and the study of the estimation methods, the fighter ' s combat effectiveness model, in which the parameters of maneuver, cannon, missile, detector and others are considered, is established. the model has been tested with the existing aircrafts. it is shown that it is available and accurate enough for engineering practice

    在分析和研究作戰效能定義、作戰效能評估方法的基礎上，建立了能反映飛機機動性、火力、目標探測能力、電子戰能力、操縱效能、生存力、航程、突防能力、遠程武器能力、導航能力、載彈量等因素對飛機作戰效能影響的作戰效能計算模型。
  18. The design of aircraft cockpit, which acts as the man - machine interactive interface is of great research value. the author utilizing advanced cad technology, combining the intersecting knowledge with man - machine engineering, robotics, aero - human - engineering, etc, has exploited corresponding modules, such as the simulation of pilot manipulation, vision checkout, vision simulation, accessibility calculation, manipulation force calculation, and established a set of subsystem of aircraft - cockpit - design on the platform of catia

    本文利用先進的計算機輔助設計（ cad ）手段，結合人機工程學、機器人學、航空人體工程學等邊緣交叉學科知識，在catia平臺上，利用其二次開發語言vbscript ，實現了相應的飛行員操縱動作模擬、視界檢查、視覺模擬、可達性計算和操縱力計算等功能，初步建立起一套飛機座艙設計cad子系統。
  19. Especially in aircraft ' s mass property management and calculation, it ' s inefficient and unacceptable to manage and calculate it by hand

    尤其是在飛機質量特性的計算與數據管理中，傳統的手工計算和管理已遠不能達到設計技術要求，而且效率很低。
  20. Simulation results presented here demonstrate that during accelerating flight at constant altitude thrust increases up to approximately 12 percent in the maximum thrust mode, and at subsonic cruise specific fuel consumption decreases up to 2 percent in the minimum fuel consumption mode

    試驗結果表明兩種優化模式下，飛推綜合控制的優化演算法可以顯著提高發動機性能，也驗證了該優化計算機設計方案是可行的。
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