自轉特性 的英文怎麼說

中文拼音 [zhuǎnxìng]
自轉特性 英文
autorotational characteristics
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 轉構詞成分。
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 自轉 : revolve on its own axis; rotation; revolution; autorotation; windmilling; spin
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. Jt91 - 200 artillety gyro altazimuth is a fix instument which can research the grid north automatically and determine grid north azimuth at any direction. it works by making use of the physical features of gyro and influences of earth rotation. the equipment of this instument will play a important role in topographic clement

    Jt91 - 200型炮兵陀螺經緯儀是利用陀螺本身的物理和地球的影響,實現動尋找其北方向和測定任一方向線的真北方位角的定向儀器。該型炮兵陀螺經緯儀的裝備使用,對我軍炮兵測地分隊的測地保障發展將產生重大影響。
  2. 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著陸飛行動力學的三維剛體模型。
  3. The characteristics of qh - 90 self - vulcanized butyl rubber, its anticorrosion services on high temperature, vacuum, rotary and huge equipment or the equipment in cement production are introduced

    介紹qh - 90室溫硫化丁基橡膠的技術,總結其在高溫、真空、動、巨型及水泥設備上橡膠襯里防腐蝕應用情況和施工方法。
  4. The effect of joule heat and mineral matter on conductivity of coal

    激振蕩射流的影響
  5. This machine adopts an automatic way to measure torsional stiffness and hysteresis of damper spring on driven plate, the whole machine is controlled by industrial computer. all performances are carried byitself. it is exerted torsion by itself or by manul, then it gathers data, sets up data base for test, and outputs data and figures automatically

    該機採用動方式檢測汽車離合器中從動盤減震器的扭,工業計算機控制,動施加扭矩,動採集數據,動建立測試數據庫及輸出數據和圖形。
  6. The effect on display characteristic made by thermal deformations of the shadow mask is comprehensively investigated. by using the electron beam distribution automatic measurement system with a micro - deflective coil, a concave spot in luminance distribution can be get. it changes its position when the shadow mask changes its form

    本文系統全面地分析了傳統蔭罩的各類熱變形對顯示屏的影響,利用本文研製的電子束亮度分佈動測試系統,附加一個微偏磁場,使相鄰兩電子束打在同一顏色的熒光粉條,並形成一個亮度凹點,當蔭罩變形時,凹點位置作相應的位移,以此原理跟蹤測量凹點位移量,即可得到色純漂移動態變化曲線。
  7. Venus has the distinction of spinning "backward" on its axis.

    金星具有沿主軸反向
  8. The flying stability of the unguided projectile with wrap around fins could be influenced by the self - induced rolling characteristics and the cross coupling effects of the waf badly. it is necessary to study further on this special aerodynamic problems

    卷弧翼存在誘導滾、較嚴重的交叉耦合效應等殊氣動問題,對于無控的卷弧尾翼彈而言,這很大程度上影響飛行穩定
  9. In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect

    在雙光子共振情況下,即入射脈沖頻率等於1 、 3能級之間的共振頻率的一半,由於介質中放大的發輻射和四波混頻的作用,部分入射脈沖能量化為高頻和低頻電場成分的能量,分子介質表現出了很強的光功率限幅
  10. In this paper, on the basis of absorption of achievements of the research on auditory physiology, an auditory model simulationg the peripheral auditory system and part of the central auditory system is set up. the model is made of the fitlters presenting the characteristics of the basilar membrane for analyzing the voice signals, the half wave rectification modeling the inner hair cells and energy transfer of nerve fiber

    在吸收聽覺生理學研究成果基礎上,建立了一個模擬外圍聽覺系統和部分中樞聖經系統功能的聽覺模型。模型由表徵基底膜的頻率分析的帶通濾波器組、內毛細胞的半波整流和神經纖維的能量組成,該模型可以作為前端處理來提取語音信號的相關圖譜。
  11. It is the base of manual changement of system - level model and auto - synthesis

    此方法適合所有具有面向對象的系統級語言,可以作為系統級模型手工換或動綜合的基礎。
  12. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在等效主動力與等效主動力矩中加入支撐動引起的慣力,並在考慮力與變形關系時,用更一般的彈力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學的可行。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。
  13. A computer drawing program of water turbine operating characteristic curve based on autocad

    的水輪機運曲線動繪製程序
  14. Median filtering is chosen to modify the fuzzy edge by using the smoothing arithmetic, sobel operator is used to detect edge because of its filtering characteristic. image is changed from gray - scale to two - valued according to the threshold which is automaticly selected by otsu

    選用中值濾波減小平滑演算法導致的邊緣模糊;利用有濾波的sobel運算元進行邊緣檢測;使用最大類間方差動確定閾值,將灰度圖像化為二值圖像。
  15. In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators

    本文致力於用製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先,介紹了國內外太陽能電池的研究現狀及應用情況;其次,運用太陽能電池基本原理討論影響電池換效率的因素,分析了級聯電池的伏安;隨后,討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念,研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程,解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題;然後總結了級聯電池的后工藝製作;最後,研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝,設計並安裝完成新型聚光太陽能電池組件。
  16. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  17. Since 1960s, the mechanical strength reliability and structural system reliability, whose main failure modes are fatigue and service life, has achieved a great deal of development and been applied to engineering machine, aeronautical and astronautical engineering, electric apparatus, bridges, ship, civil engineering etc. with the developing of space technology and tendency of machine towards high speed, precision, automation, one realizes the importance of mechanism reliability based on the accuracy of motion, for the errors of mechanism occurred more often than that of structure, especially in the field of aeronautical and astronautical engineering and operate system of weapon

    上個世紀60年代以來,以疲勞、壽命為主要失效模式的機械強度可靠、結構體系可靠研究得到了很大發展,並迅速應用於工程機械、航空航天、電器設備、橋梁、船舶、土木工程等。隨著空間技術的發展以及機械的高速精密化、動化發展,人們逐漸認識到以機構動作參數的準確可靠為主要指標的可靠問題日益突出,因為在很多機械上機構的故障多於結構的故障,尤其是在航空航天及武器操縱系統方面。由於這些機構的運,振動可靠的研究亦佔有突出的位置。
  18. Based on a reduced - order model, the vsc of flexible rotor - magnetic bearing system is also investigated. a master - slave controller composed of a pc586 and a tms320c50 dsp board is build and a flexible rotor - magnetic bearing test rig is developed. simulation and experimental results show that the vsc is insensitive to the spillover problem due to the model truncation and parameter uncertainty

    結果表明,變結構控制器對于因模態截斷及非並置問題導致的未建模動態以及因系統變化而導致的參數攝動具有不敏感,系統在上浮過程、受到外界擾動及復雜運情況下的能均優于pid控制器。
  19. The poems turn to the sadness and suffering due to the disasters to the family and country in the late stage. part 2 explores the art appearance of suyuci and analysis the reasons of the suyuci ' s famous in the poem ' s history : character of autobiography ; unique art style and the ways of expression and the languages with affluent expression. part 3 explores the teaching methods of songci using suyuci as an example and ways of how to enhance student ' s ability in understanding of songci in the language teaching in the middle school

    論文分三部分:第一部分主要分析《漱玉詞》前後期不同的藝術風格,認為其前期詞風清新明麗,細膩婉,而後期因遭遇家國慘變,詞風變為凄清哀婉,沉摯悲涼;一第二部分探討了《漱玉詞》藝術風貌,認為其詞之所以享譽詞史,在於其詞所具有的,獨的藝術風格,表現手法及其富於表現力的語言;第三部分以《漱玉詞》為例,探討了宋詞教學的方法,及如何通過多種教學手段培養提高學生鑒賞宋詞的能力。
  20. By solving the equation numerically, the effects of diffusion on the property of the self - deflection of the photorefractive solitons are studied. the results show that the spatial shifts of bright screening solitons and sp solitons depend directly on the voltage factor. for dark solitons, the stronger the input intensity is, the larger the bending - angle is, whereas bright solitons depend on the input intensity nonlinearly

    在考慮一階擴散效應后,通過數值計算分析和比較了三種光折變空間孤子的,得出屏蔽和屏蔽光伏明孤子的偏量與分壓系數成近似線關系,與入射光強成非線關系,而暗孤子偏量隨入射光強的增加而增加。
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