振蕩平面 的英文怎麼說

中文拼音 [zhèndàngpíngmiàn]
振蕩平面 英文
plane of oscillation
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 蕩 : Ⅰ動詞1 （搖動; 擺動） swing; sway; wave 2 （無事走來走去; 閑逛） loaf; wander; roam; loiter; go a...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  1. In the section 3, we calculated the threshold and efficiency of double resonance oscillator ( dro ) in plane wave of clbo ; we also got the efficiency curves of clbo in gaussian beam

    第三章分析和數值模擬計算了平面波雙諧振情況下clbo晶體的振蕩閾值和轉換效率曲線，同時給出了高斯光束的轉換效率曲線並與bbo晶體進行了比較。
  2. During the el nino ( la nina ) events, the negative ( positive ) sst anomaly occurs and the corresponding the olr mjo intensity weakens ( enhances ) in the tropical western pacific ; at the same time, the positive ( negative ) surface westerly anomaly leads to positive ( negative ) mld anomaly, and the corresponding sst mjo intensity weakens ( enhances ) in the equatorial eastern pacific, 4 ) the interdecadal variation of the atmospheric mjo intensity took place distinctly in 1970s in the tropical western, northwest and eastern pacific, with the stronger intensity in the former than the back stage, and the interdacadal variation of sst is its cause

    Elnino （ lanina ）事件中熱帶兩太平洋sst出現負（正）異常， olr季內振蕩強度出現減弱（增強）的變化。 elnino （ lanina ）事件中，赤道太平洋出現地面信風西風分量正（負）異常，並引起熱帶東太平洋mld出現正（負）異常，造成熱帶東太平洋sst季內振蕩強度出現減弱（增強）的變化。 4 ）熱帶印度洋、熱帶西太平洋和熱帶東太平洋季內振蕩強度在上世紀70年代發生了明顯的年代際變化，均為前弱、后強， sst本身的年代際變化是其原因。
  3. 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、主要特性及其應用，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，設計了自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性等特性進行了實驗研究；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轉；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，激光輸出功率的自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 。
  4. All of these reveal the further properties of the wave propagating in one - dimensional elastic continuum. on phase plane, the qualitative analysis are made, which exhibits four kinds of orbits : the heteroclinic orbit of burgers equation, the homoclinic orbit of k - dv equation, and saddle - foci heteroclinic orbit or saddle - joint heteroclinic orbit of kdv - burgers equation

    說明burgers方程在相平面上有相應于激波解的異宿軌道; k ~ dv方程有相應于孤波解的同宿軌道: kdv一buegers方程有相應于振蕩孤波解的鞍一焦異宿軌道和相應于激波解的鞍一結異宿軌道。
  5. Its flaw is that after the system state getting to the sliding plane, it will produce high frequency chattering around the sliding plane and the control variable of the system will also produce high frequency chattering

    它的不足主要是當系統運動狀態在到達滑動平面后，會在滑動平面附近產生高頻抖振，同時系統的控制量也產生高頻振蕩。
  6. By comparing to that of bbo, we can see that the threshold of clbo is lower than that of bbo. thus clbo provided another excellent crystal in dro if the pump power is low

    從結果可以看出，在平面波雙諧振下， clbo晶體的振蕩閾值低於同等條件下的bbo晶體，從而為連續波、長脈沖等能量較小的泵浦源提供了更加優良的可選晶體。
  7. Less drift will result from making c with a few parallel caps, to reduce the heating effect of the oscillating current when spread out over a larger plate area

    當分為一個更大的平面面積時，通過電容c和一些電容並聯將導致更少的漂移，這樣來減少振蕩電流的熱效應。
  8. The viberating roller keeps on the ground and viberates horizontally ， getting the required compaited thickness more quickly

    振蕩輪始終接觸地面，作水平振蕩，能更快地連到要求的壓實度。
  9. In this text we make a diagnosis of linear and nonlinear response of quasi - quadrennial ( qq ) and quasi - biennial ( qb ) component of nino3. 4 index by using reanalyzed ncep / ncar data of sst, wind stress ( pseudo stress ) field, ssp, then have a time and spatial analysis of wind stress field by using mssa, and finally find the importance and contrast the effect of different wind stress field forcing the sea so as to find the cause ofenso irregularity

    本文首先分析海表溫度（ sst ） 、風應力場、海表面氣壓（ slp ）等ncep ncar再分析的月距平場對于nino3 . 4指數的準4a （ qq ）和準2a （ qb ）振蕩成分的線性和非線性響應，接著用mssa （多通道奇異譜分析）對風應力場進行時空特徵分析，最後用一個熱帶太平洋動力海洋模式研究具有不同振蕩性質的風應力場對海洋強迫作用的重要性及差異，尋找enso不規則性的原因。
  10. A bang - bang controller may exists limit - loop or oscillation in vicinity of origin of the plane, so the stability of system destroyed

    Bang - bang控制實現的難點是，在運動相平面的原點周圍易形成極限環或出現振蕩。
  11. A more reasonable sao index is therefore defined as the sao variance percentage of the difference of the zonally averaged slp between 40 s and 65 s

    據此，提出用40 s和65 s緯圈平均海平面氣壓差的半年周期分量的方差貢獻作為準半年振蕩的強度，該定義較前人的定義更為合理。
  12. First of all, single port negative impedance oscillator is analyzed in the thesis. a design method of gunn diode vco is introduced and an vco chip using gunn diode is fabricated. the substrate of the vco chip is gaas with dimension of 4. 4mmx3. 9mm

    本文首先對單埠負阻振蕩器進行了分析，給出了gunn二極體負阻振蕩器的設計方法，設計出了一個變容管調諧平面微帶gunn二極體vco晶元，該晶元以gaas為襯底，尺寸為4 . 4mm 3 . 9mm 。
  13. Abstract : this paper proposed a numerical method to determine the oscillatory stress singularities and the related stress intensity coefficients, by use of common numerical solutions ( stresses or displacements ) which obtained by an ordinary numerical technique such as finite element method or boundary element method

    文摘:本文以具有振蕩應力奇異性的平面問題為例，提出了一種利用普通的數值分析結果（由有限元或邊界元程序計算得到的應力分量或位移分量） ，來確定奇異點附近的振蕩應力奇異性次數以及相應的復應力強度系數的數值分析方法。
  14. On inter - decadal time scales, tropical cyclone activity over the western north pacific seems to have a periodicity of about 18 years. this may be related to the pacific decadal oscillation see

    十年間變化方面，在西北太平洋上，熱帶氣旋活動較明顯的周期是18年左右，這可能是與太平洋十年間振蕩pacific decadal oscillation ，簡稱pdo ，見
  15. On inter - decadal time scales, tropical cyclone activity over the western north pacific seems to have a periodicity of about 18 years. this may be related to the pacific decadal oscillation ( see

    十年間變化方面，在西北太平片洋上，熱帶氣旋活動較明顯的周期是18年左右，這可能是與太平洋十年間振蕩（ pacificdecadaloscillation ，簡稱pdo ，見
  16. This method makes it possible for investigating the unsteady nonlinear potential flow in a complicated environment with higher efficiency. the aerodynamic forces of a wing in couple motion of heave and pitch with ground effect are analyzed in detail based on the numerical result. it is shown that a thrust force exists when the wing is in heave motion

    深入系統地分析了存在表面效應時機翼運動規律和氣動力之間的關系，研究結果表明，機翼升沉運動產生的推力與升沉速度幅值的平方成比例，推力和推進效率和振蕩頻率成反比；機翼的俯仰運動可以調節推力和推進效率，但是單純的俯仰運動不會產生推力。
  17. Interface capturing method for multi - fluid flow, which smear out the tangential discontinuity, is developed to simulate the compressible flow. the multi - fluid problems can be transformed to a single - fluid to resolve, using the fluid dynamic conservative equations coupled with the interfaces capturing equations, and any of stability and non - oscillation scheme for the whole computational region. the two schemes mentioned above are better

    給出的方法具有以下特點：引入界面捕捉方程將切向間斷抹平，形式上將多流體計算轉化為單一流體計算，數值計算通過解流體動力學和界面捕捉耦合方程組來實現，可以應用的差分格式是任何一種穩定和不產生非物理振蕩現象的差分格式，前面提到的兩種格式只是其中效果比較好的格式。
  18. It will produce high frequency chattering around the sliding plane after the system state getting to the sliding plane, and the control variable of the system will also produce high frequency chattering so that the system would not be put into practice

    但當系統運動狀態到達滑動平面后，會在滑動平面附近產生高頻抖振，這將會影響系統控制的精度，增加能量的消耗，並可能激發系統未建模部分的強烈振蕩，以致系統難以實現。
  19. Moreover, the microstrip - waveguide transition and the circuit for dc bias in the vco are analyzed, and the analysis is generally useful for design of millimeter - wave planar circuit

    最終，在微帶線上製成了w頻段平面集成體效應管壓控振蕩器，並進行了測試。
  20. For convenience of grid refinement implementation the nonstaggered grid system based on the structured orthogonal grid scheme is adopted. in order to eliminate the possible pressure wiggles when nonstaggered grid is used, except for the use of the momentum interpolation method ( small wiggles still appear when the method is adopted alone ), a new method is proposed and applied in the same time. in the new method a pressure - gradient difference term is added to the flow velocity in each control volume interface when dealing with the pressure - correction equation

    本文基於結構化正交網格，為便於實施網格加密，採用了變量同位存儲的同位網格體系；為平抑該網格體系下的壓力振蕩問題，除採用動量插值方法外（單純採用該方法不能完全平抑振蕩） ，首次提出了在壓力校正方程的界面流速中添加壓力梯度差值項的方法，從而完全解決了建築風場模擬中同位網格下可能出現的不合理壓力場的問題。
分享友人
分享到 Line

分享到臉書