推力系統 的英文怎麼說

中文拼音 [tuīlìxìtǒng]
推力系統 英文
thrust system
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved

    提出了基於徑向基函數神經網路（ rbfn ）的雙隱層混合網路（ mdhrbfn ）模型，解決了標準神經網路在具體sar圖像地物分類中分類類別數目不夠和分類精度差的問題；提出了基於模糊推理系統的自適應模糊rbfn分類（ afrbfn ）模型，兼顧通用性與精確性，增強人機交互能力，進一步提高了演算法分類率。
  2. Recommended practice for applying low - voltage circuit breakers used in industrial and commercial power systems blue book

    用於工業和商業動力系統的低壓斷路器的應用推薦實施規程
  3. Ieee analysis ieee brown book, recommended practice for power system

    電力系統分析推薦實施規程
  4. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型，增加可兩次點火的末級發動機，改裝成具有跳躍能力的地地彈道導彈；首先，根據任務需求，建立了導彈的氣動模型，並建立了彈頭再入時高超聲速氣動模型；其次，建立了導彈推進系統模型，前兩級採用了固體火箭發動機，第三級採用了固?液組合火箭發動機，並在總體方案要求下，對發動機噴管和外形進行了設計；第三部分，建立了導彈質點彈道模型，設計了一條跳躍式彈道，並對跳躍式彈道進行了優化設計；最後，對導彈進行了突防能力分析，從分析的結果可以看出，跳躍式彈道的突防能力比常規的拋物線彈道要強。
  5. The paper has founded the model of laser transmission in launch process and the movement model of laser - powered vehicle, and has analyzed the influence on performance of launch system, which was raised by some factors, for instance, the performance of thruster, the attenuation in transmission, the height of mode - transform, the laser power, the air drag force, the launch height, and so on

    本文研究了激光推進微小衛星發射系統的概念和性能。建立了發射過程激光傳輸和激光推進運載器運動模型，分析了推進系統性能、大氣傳輸衰減、模式轉換高度、激光器功率、大氣飛行阻力、發射點高度等因素對發射系統性能的影響。
  6. In the paper, visual basic language and virtual instrument technology ( vi ) are used to design software and simplify system, so we can verify all critical parameters by means of software

    基於面向對象的軟體開發平臺vb ，運用虛擬儀器（ ）技術實現了測試系統的軟體設計。該測試軟體配合系統硬體可完成動力推進系統及其關鍵組件的性能測試。
  7. The disclosure project, a crozet, va. based research organization that has been gathering government witnesses for several years, says its reason for going public is because the u. s. government has long had information on anti - gravity propulsion systems

    設在弗吉尼亞州克羅澤特的研究組織"揭發計劃" - -數年來一直在徵集曾在政府機構工作的不明飛行物目擊者說，它之所以要讓公眾了解不明飛行物的真相，是因為美國政府早已掌握了反重力推進系統的信息。
  8. This paper deduced the harmonic parameter models of electrical transformers, generators, transmission lines and electrical loads in detail

    本文較為詳細的推導了電力變壓器、發電機、輸電線路、電力系統負荷等的諧波參數模型。
  9. In recent years, we gained remarkable achievement in national electric power system fitting bearing and the maintenance of bearing for power plant, and approval of access to internet of state electric power system and provincial electric power system, at the same time, we produce spherical roller bearing, shperical plain bearings., slewing rings, thrust tapered roller bearing, trench ball bearing

    近年來，在國家電力系統配套軸承及電廠維修軸承供應方面取得了一定的成績，並取得國家電力系統及各省級電力系駐入網許可，同時公司生產的球面滾子軸承關節軸承回轉支撐軸承推力滾子軸承深溝球軸承及各種非標準軸承也廣泛應用於
  10. As to the modelling of integrated flight / propulsion system, this paper mainly investigated and the modelling methods of flight kinetics and propulsion system thermodynamics, building up the real - time models of body kinetics. then we integrated the component - level thermodynamics model of engine, solved the problem of matching of initial points in the integrated simulation of flight / engine and the interactive parts of flight system and propulsion system

    對于綜合飛行/推進系統建模，本文主要研究的是飛行動力學和推進系統熱力學的建模方法，建立了飛機動力學實時模擬模型。並結合前人已建立的發動機部件級熱力學模型，本課題在解決了飛機/發動機綜合模擬中的起始點匹配問題的基礎上，完成飛行系統和推進系統的交互部分，最終建立飛行/發動機綜合實時模擬模型。
  11. Both advantages of rocket engine and air - breathing engine are integrated into one kind of propulsion system, called rocket - based - combined - cycle ( rbcc ), which has multiple operating woke modes, including ejecting, subsonic combustion, supersonic combustion and rocket mode, with each mode operating at varying flying stage. rbcc has prominent potential of high efficiency and low cost, and so it is recognized as an advanced propulsion system of future single - stage - to - orbit reusable spacecraft and hipper - sonic missile. it has been broadly investigated in foreign countries and has been progressed into small and full - scale flying stage

    火箭基組合動力循環（ rbcc ， rocketbasedcombinedcycle ）將傳統的火箭發動機和吸氣式發動機的優點集中組合到一個具有多種工作模態（包括引射、亞燃、超燃及火箭模態）的發動機里，在不同的飛行階段啟用不同的工作模態，因此具有大幅提高航天推進系統經濟性與高效性的潛在優勢，並可能發展成為下一代單級可重復使用航天器以及高超聲速導彈武器的動力系統。
  12. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件，再對氣路組件和液路組件進行相應的分類，然後通過對通用流路方程進行分析和變換對不同類型的組件分別建立不同的方程，從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型；根據靜態計算所得到的數據，應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型，從而建立相應的質量模型；結合液體推進劑空間推進系統特點，對液體推進劑空間推進系統全壽命周期費用發生的五個階段（概念和定義、設計和改進、製造和安裝、運行和維修、處理）分別進行分析，建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  13. The aerospace indu * * * y is the complex of manufacturing concerns engaged in the production of flight vehicles, including unpowered gliders and sailplanes, lighter than air - craft, ground - effect machines, heavier than air craft of both fixed - wing and rotary - wing varieties, military missiles, space launch vehicles, and manned or unmanned spacecraft ; propulsion systems and other thrusting devices ; on board equipment essential to the design purpose of the flight vehicle ; and ground - based support equipment needed for the operation and maintenance of the flight vehicle

    航天工業是一個綜合製造行業，從事各種飛行器的生產，包括：各種無動力滑翔機，輕于空氣的飛行器，地面效應機械設備，重於空氣的各種固定和旋轉機翼飛行器，軍用導彈，太空發射器，載人或無人飛行器，推進系統或其他助推設備，對飛行器的設計至關重要的艙內設備，控制和維護飛行器的地面設備。
  14. In general, torpedo e1ectrical power propulsion system consists of storage battery, control electrical equipmellt, propulsion dc motor and propellers

    魚雷電動力推進系統通常由蓄電池組、控制電器、推進電機及推進器等幾個組件組成。
  15. For these reasons, we can apply the theory of the model reference self - adaptive control syetem design based on the theorem of balance point stabilization in the force system of asymmetric cylinder controlled by symmetric valve. the main idea of model reference self - adaptive controller is to make the self - adaptive control error incline to zero as time passed. the task to design adaptive controller is to find the control input that can make the output of the controlled system to follow that of the reference model

    因此將基於平衡點穩定定理的模型參考自適應控制系統設計理論應用於閥控非對稱缸力系統中，其基本原理是使自適應控制誤差隨時間的推移而趨向于零，自適應控制器設計的目的是尋找使被控系統的輸出漸近一致的跟隨參考模型的輸出的控制輸入，以此來改善被控系統的性能。
  16. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  17. What the study of the software of configuration analysis of liquid propellant space propulsion systems solved is how to develop the software of configuration analysis of liquid propellant space propulsion systems using scientific software model based on the characteristics of liquid propellant space propulsion systems in order to improve the performance and reduce the mass etc. it ' s important that can save fees and improve corporation ' s ability of participating competition

    液體推進劑空間推進系統構型分析軟體研究所要解決的問題是如何根據液體推進劑空間推進系統的特點，通過運用科學的軟體模型開發液體推進劑空間推進系統構型分析軟體。其目的是為了提高推進系統性能、減少推進系統質量等。進行液體推進劑空間推進系統構型分析軟體研究對于節約國家經費、提高企業競爭力有著重要的意義。
  18. By its analysis of both the laws of the social and historical development and the style of individual races " evolution, maxism reveals that china has no choice but to stick to her own development, to open - door policy, and to foster the market economy of socialism. the theory of power of society development ' s analysis of basic contradiction of society and science and technology also suggest that china should promote the development on the basis of the combination of basic contradiction of society, reform and opening - up and science and technology. in the strategy of social development, maxism also clarifies the relationship between man and nature, social development and economic development, and also man and culture

    他對社會歷史發展總規律與各民族具體歷史發展道路即社會發展道路「一」與「多」關系的剖析，昭示了社會主義中國必須走自己的路，必須實行對外開放，發展社會主義市場經濟；其社會發展動力論中對社會基本矛盾、科學技術等的論述也啟示了社會主義中國必須將社會基本矛盾、改革開放及科學技術共同作為推動中國特色社會主義發展的強大動力系統；其社會發展戰略思想中對人與自然的關系、社會發展與經濟增長的關系及對人與文化等的相關論述又表明建設中國特色社會主義必須實施可持續發展戰略和科教興國戰略，以人為本，以人的全面發展為目標，同時還要構建社會主義文化的新形態。
  19. We have deduced the iterative formula by the theory of the dynamic system, proved that the quadratic convergence holds under the weak conditions, and done the numerical experiments

    利用動力系統理論推導出該方法的迭代公式，證明其在某些弱條件下至少是二階收斂的，最後給出了數值結果。
  20. Axial limitation of the slevve movement by means of a patented thrust system located in the center line of each gearing

    採用位於每套齒輪中心線的專利推力系統對軸套的位移進行軸向限制。
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