電中性軸線 的英文怎麼說

中文拼音 [diànzhōngxìngzhóuxiàn]
電中性軸線 英文
electrical neutral axis
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 軸線 : 1 [機械工程] axis; axle; [地質學] axial trace; axial cord; axis shaft line; shaft line 2 [紡織] s...
  1. The nonlinear electromagnetic force may cause the large oscillations of the rotor in some parameter regions. thus, the studies on the properties of the nonlinear dynamics and the stability for the rotor - ambs system play an important role in the engineering

    力的作用使轉子在某些參數域產生相當大的振動,因此分析該類系統的非振動特和穩定一直是承-轉子動力學研究的重要課題。
  2. Because most of the components in ambs are of the nonlinear characteristics, the dynamics in ambs is very complicated. the electromagnetic force is a nonlinear function with respect to the displacement of the rotor and the controlling electric current

    主動式承( ambs )被廣泛地應用於工業和航空航天工程,但由於磁控制力是被控對象的位移和控制流的非函數,因而構成了一個非系統。
  3. The applications and developments of the rotor - ambs system in the engineering are showed in recent years. in particularly, we present the results for the studies of nonlinear dynamics in the rotor - ambs system. we also point out the trend of the rotor - ambs system in future and the necessity of the study on the nonlinear dynamics of the rotor - ambs system

    本文的研究內容和所獲得的主要結果有以下幾個方面: ( 1 )綜述了磁懸浮研究的歷史,介紹了主動式承-轉子系統在工程實際的應用,主動式承的研究現狀,總結了近十年來國內外對承-轉子系統非動力學的研究進展和取得的成果,指出了承發展的趨勢及進行非動力學研究的必要
  4. Based on this, a case of typical external self - focusing effect, hot - image, has been analytically and experimentally investigated in this dissertation. the principal work is as follows. ( 1 ) intense laser beam propagation equation, the paraxial wave equation, has been derived

    論文的主要內容為如下幾部分: ( 1 )從磁波的基本傳播方程出發,推導了描述強激光在透明克爾介質傳輸行為的非波動方程。
  5. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其每個向上均採用帶折疊梁的雙側叉指容結構,採用體硅微機械工藝製作的高深寬比叉指容式敏感元件,具有高靈敏度、寬量程、非誤差小、外圍路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小容變化量,經c - v介面路進行相位調制處理,然後通過解調輸出與加速度成正比的壓信號。
  6. 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,使之適應于力系統這個強非對象。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,此模型方程涵蓋了力系統特別引人注目的幾個量- -轉子角、轉子轉速、發機q勢eq 、暫態勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端壓vt ,在此基礎上建立了實用的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,結合二次型最優控制理論設計出大型汽輪發機的非綜合控制器及機端壓最優控制器,通過模擬實驗與採用常規的按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壓偏差進行調節的比例式勵磁調節器和基於二次型能指標設計的最優快控汽門(考慮發機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高力系統的暫態穩定,並且在力系統遭受小干擾時同樣具有良好的調節能。
  7. Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation

    作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、功率、轉速的測試原理和測試方法,提出了採用測法並結合機效率特測量水泵功率,從而避免了損耗分析法大量復雜的間過程,滿足了試驗裝置的自動化測量要求;採用漏磁感應圈法測量機轉速,彌補了其它轉速測量方法對水下機測試的局限,適應了萊恩公司開發潛水泵的實際需要。
  8. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種歷史較短的施工方法,目前,砼防滲墻的設計還是以傳統的設計方法為主,根據查找國內外文獻資料,華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下的工作能有相似,將適用於樁基的poulos彈理論引入對地下連續墻的沉降計算;清華大學水利水工程系濮家騮、于玉貞根據三試驗結果確定混凝土的參數,利用非e - b模型,結合黃河小浪底土石壩設計剖面,採用thepd土石壩總應力程序,對深覆蓋層塑混凝土防滲墻的應力、位移進行有限元分析,並與普通混凝土防滲墻計算結果加以對比,同時分析了不同配比塑混凝土特的影響,並採用應力水平和拉應力數值來判斷塑混凝土防滲墻的安全程度。
  9. Compressor panel testing mainly includes acculator axle temperature monitor, plc group. after connection of local cable and testing of detector charactertistic contour, testing vibration and site ? change monitor

    對其的壓縮機盤主要是調速器、瓦溫度監視器、機組plc調試。至於振動、位移監視器調試,需待現場纜連接後作探頭特測試后進行。
  10. The results of calculation prove : the new structured coaxial probe is superior to the traditional coaxial probe in both sensitivity and penetrating depth when used to measure the dielectric properties of chemical reactants or layered biological tissues, and the relationship between the measurement sensitivity of this new structured probe and the frequency of electromagnetic wave are obtained, which provides the optimal frequency for the actual application

    計算結果表明:在化學反應溶液及生物分層組織介參數的測量,這種新型的同探頭在測量靈敏度及透入深度兩方面都優于傳統的平口同探頭。通過計算模擬還得出了這種新型同探頭的測量靈敏度與磁波頻率的關系,為進一步研究其最佳測試頻率提供了有價值的參考依據。
  11. The millimeter has the largest frequency band and the highest velocity of communication, but it has the highest cost and technical defaults : multi - path effect, reflect and scatter caused by cloud, smoke, water - dropping, the buildings, the grounds and its shape, the interference caus ed by the thunder, the complexity of device, difficult maintenance, and so on. now the band of the leakage coaxial line is up to 3ghz, leakage coaxial line has some advantages : good adaptability to cloud, smoke, water - dropping, the buildings, the grounds and its shapes, good steady field, it has some technical defaults : lower resolution for location and measuring velocity, the more complex of its sending - receiving relay devices, weak anti - interference, the strict demand for the hole size in the line, the cleaner work environment and the higher cost

    毫米波具有最大的帶寬和最高的通信速率,但也有最高的成本要求和較難克服的技術問題,即傳播的多徑效應,降水、雲霧、地形、地貌、建築物等的反射散射,打雷時的嚴重干擾,設備復雜,維護困難等等;泄漏同纜的帶寬目前已做到3ghz ,具有對地形地貌建築物的適應強,場強穩定,但它的定位測速精度低,它的收發繼設備較復雜,抗干擾能力低,纜上的開槽有著嚴格的尺寸要求,工作環境要求清潔,成本較高;傳統無感應技術具有結構簡單,成本低廉,維護方便,定位精度較高的優點,但是,它沒有抗干擾能力。
  12. Firstly, the propagation of intense laser light in ionizing gases is analyzed including the ionization - modulation instability, the vectorial and nonparaxial effects, and the mechanism of laser energy loss. secondly, we analyze the propagation of intense laser light in plasmas, and effects such as the weakly relativistic nonlinearity, the ponderomotive force and the wakefield are analyzed

    對強激光在離氣體傳輸的離不穩定、矢量非傍傳輸和能量損耗機制,以及強激光在等離子體傳輸的弱相對論效應、有質動力作用和尾波場效應等都作了基本的分析。
  13. Consider a machine control system that needs to control a linear stage, rotate multiple shafts, control lighting and read in video data ; in a system like this, there are multiple processes that must happen deterministically, in real - time, and in parallel

    考慮到一個機器控制系統需要控制一個路級,旋轉多個,控制照明和視頻數據的讀取,因此,在這樣一個系統,同時有多個進程必須獨立、實時、并行發生。
  14. The series of smb products are that one kind push the locking type joining, it has small, light, electric performance a fine characteristic easy to use, suitable for joining the coaxial cable of the radio frequency to use in the radio equipment and radio frequency loop of the electron tube instrument

    Smb系列產品是一種推入鎖緊式連接器,它具有體積小、重量輕、能優良、使用方便的特點,適用於無設備及子儀器的射頻迴路連接射頻同纜用。
  15. By using the method of separation of variables, a recursive formula was derived for the electromagnetic fields in a circular coaxial cable with a radial conductor plate and filled with multilayered homogeneous isotropic media, and the relationship between the first and the nth layers of the electromagnetic fields was determined

    摘要採用分離變量方法,推導了有徑向導體板、填充均勻的多層各向同介質的同各層磁場之間的遞推關系,得到了第1層與第n層介質磁場的關系方程。
  16. ( b ) the linear fluid model is used to study the conductor - centered helical groove twt. we have analyzed the effects of the beam parameters on the gain and the bandwidth of the twt

    ( 2 )我們用理論模型研究了具有心導體的矩形螺旋槽行波管內的注-波互作用特,對子注參量對小信號增益和帶寬的影響進行了分析。
  17. The series smc connectors with screw ? coupling mechanism, have character of small size light weight, reliable connect and vibration - proof, for the connect rf coaxial - cable in electronic equipment and instruments, and can be interchangeable with the same ? type connectors of abroad

    該系列產品具有體積小、重量輕、連接可靠、抗振能好等特點,供無設備和儀器連接射頻同纜用。
  18. The second, as a novel gyrodevice the two - beam coaxial gyrotron which was proposed by professor liu shenggang is analysed by kinetic theory of ecrm. general dispersion equation for ecrm and expressions for the interaction power and the starting current are derived in the case of eccentricity of the electron beam in the coaxial cavity

    其次,基於迴旋動力學理論,對劉盛綱院士提出的一種新型迴旋管-雙子注同腔迴旋管進行了初步的理論研究分析;通過在迴旋心坐標系求解伏拉索夫方程,推導出了注波互作用方程、互作用功率、起振流表達式。
  19. Coaxial cable - a type of cable used for broadband data and cable systems, with excellent broadband frequency characteristics, noise immunity and physical durability

    纜-一種應用在寬帶數據和有視系統纜,它具有非常優良的寬帶頻率特,能消除雜音且有物理耐久
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