振蕩波型 的英文怎麼說

中文拼音 [zhèndàngbōxíng]
振蕩波型 英文
oscillation mode
  • 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...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  1. V pattern ( 53. 9 % ), its isis varied continuously from big to small, then from small to big and form a gently inflexion in the trough. reversal n pattern ( 25

    9 ，在這種型式的振蕩中， isi逐漸由大到小又由小到大依次連續變化，且isi在波谷處形成一個較平緩的拐點；倒n形佔25
  2. In the non - coaxial bwo of l - band, the radius of the slow - wave structure is very large, and the volume and weight of the guiding - magnetic system are also very large. thus, the non - coaxial bwo of l - band is bulky and lumbersome and is inconvenient for real application

    若採用非同軸相對論返波振蕩器實現l波段的微波輸出，則要求慢波結構的平均半徑很大，導引磁場系統的體積和重量會變得較大，這給器件的小型化帶來了很大的困難。
  3. During flood years, the center of negative anomaly is around ural mountains, the center of positive anomaly is around high - latitude of east asia and another negative and positive center are over okhotsk sea and the north - west pacific, respectively

    通過對夏季旱澇等級指數的morlet型和mexicanhat型小波變換分析，發現山東夏季旱澇指數主要存在著2 5年和7年左右的周期振蕩。
  4. And finally, with hllc and lax - friedrichs type approximate riemann solver for discretising conservative equations and a nonconservative equation, a simple accurate and fully eulerian numerical method is presented. compared with the numerical results of hll scheme, the hllc scheme has a high resolution for shock waves and avoiding the nonphysical oscillation of the hll scheme

    最後用lax ? friedrichs格式及hllc格式作為通量函數對守恆一維euler型方程組進行了離散，並將數值模擬結果和saurel的hll格式模擬結果進行了比較，發現：在兩相流數值模擬過程中，相對來說hllc格式對激波的解析度最高，結果最穩定，避免了hll格式在間斷處的非物理性數值振蕩。
  5. Microwave assembly detail specification for model wfz816a voltage controlled oscillator

    微波組件wfz816a型壓控振蕩器詳細規范
  6. Microwave assembly detail specification for model wfz1006 phased locked dielectric resonator oscillator

    微波組件. wfz1006型鎖相介質振蕩器詳細規范
  7. An experimental setup has been designed and built up through a collaboration program between cryogenics laboratory in zhejiang university and limsi - cnrs ( france ). the system employs the inherently reversible stirling cycle, and then its thermodynamic efficiency can easily surpass that of standing - wave system and is even comparable to that of the traditional internal combustion engines

    在充分理解工作機理的基礎上，與法國國家科研中心limsi實驗室合作，設計並建成一臺行波型熱聲驅動器實驗裝置，進行了初步實驗，以氨氣和氮氣為工質，成功地獲得了頻率分別為66hz和23hz的熱聲振蕩。
  8. Usually, hpm devices working in the high current and large field amplitude state, after the field reaches saturation, the nonlinear effects will become extremely strong so that the intrinsic nonlinear phenomena ( for example limit cycle oscillation and chaotic behavior ) of the system occur. these nonlinear behaviors directly influence the output characteristic of the devices

    在通常情況下，高功率微波源器件都工作在大電流和強場工作狀態，尤其在場達到飽和以後，系統的非線性效應將變得非常明顯，非線性系統所特有的一些現象（如，極限環型振蕩和混沌行為）將出現，這些非線性現象直接影響器件的各種輸出特性。
  9. The detail study on the interaction between the electron beam and standing wave of complex cavity gyrotron with gradual transition and gyroklystron has been done in this dissertation, supported by the pre - study important items " the study on 8mm third harmonic gyrotron with a permanent magnet system " and " the study on 8mm high power gyroklystron ". the main works of this dissertation are listed as following : 1. the study on the rf distribution of the complex cavity with gradual transition is presented, in which the multi - modes coupling are taken into account

    本論文就是結合該課題組的「九?五」重點項目「 8mm三次諧波永磁包裝迴旋管技術的研究」及「十?五」重點項目「 8mm高功率迴旋速調管技術的研究」 ，對以諧振腔為互作用高頻系統的迴旋脈塞器件中兩種典型的器件? ?迴旋振蕩管及迴旋速調管中電子注與駐波場的互作用進行了深入細致的探討和研究，其中迴旋振蕩管採用的是漸變復合腔。
  10. In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style

    本文對脈動射流的型式及其對激波、管內流動及冷效應的影響進行了較系統的理論和實驗研究，主要包括:探討了脈動射流的型式對形成管內激波形成及激波強度的影響，給出了不同脈動射流的型式下振蕩管開口端初始間斷的類型，對初始間斷進行了分解，導出了包含進氣、排氣參數及工質物性參數的管內入射激波馬赫數mj的表達式，給出了管內激波形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。
  11. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  12. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。
  13. In this paper, a novel folded groove waveguide slow - wave structure is proposed with the foundation of folded waveguide and grooved guide. high frequency characteristics of such sws are also analyzed in this paper. the main works are listed as follows : 1

    本論文以曲折波導慢波系統和槽波導傳輸線為基礎，綜合二者的優點和目前曲折波導在thz輻射振蕩器中遇到的問題，提出一種新型的曲折槽波導慢波系統的概念，並對這種新型慢波結構的高頻特性進行了詳細的研究。
  14. The fourth, the power capacity and the special harmfulness of ghost mode resonance when a cylindrical box type window is used to transmit high power cw are studied in detail. the existing formula for calculating the average transmitting power capacity of cylindrical te11 mode box type window is revised and a formula for three dimensions simulation computation of the temperature increment of the dielectric disk in cylindrical te11 mode box type window is deduced

    第四，對圓柱盒型窗用於傳輸高功率連續波時的功率容限和鬼模振蕩的特殊危害性等問題進行了深入的研究，修正了現有的圓柱te _ （ 11 ）模盒型窗的平均傳輸功率容限的計算公式，並推導出了可用於三維模擬計算的圓柱te _ （ 11 ）模盒型窗中介質窗片溫升量的計算公式。
  15. The input electrical power at the given voltage is increased due to the larger emitting surface of the radial structure and the space - charge effects are also relatively small

    用一維模型對折疊式諧振腔徑向速調管振蕩器進行了理論研究，分析了結構器件參數對束波相互作用的影響。
  16. 3. according to the shape of isi scatter map, isi slow wave oscillation can be divided into 5 basic types : v, reversal h, integer multiple, diffusive and compound patterns

    根據78例h慢波振蕩過程在isi散點圖上顯示的形狀，可分為5種基本型式： v形，倒fi形，整數倍形，彌散形和復合形。
  17. Secondly, the nonlinear optical properties with pna molecule in different solvents are studied through using the polarized continuum model and few states approach on the base of time dependent density functional theory, and the first order nonlinear hyperpolarizabilities in second harmonic generation process are computed

    然後在含時密度泛函理論基礎上採用極化連續模型和少態方法研究了不同溶劑中pna分子的非線性光學性質，計算了二次諧波振蕩過程的一階非線性超極化率，並討論了pna分子的非線性光學性質與溶劑極性之間的關系。
  18. Next, the effects of the electron - beam quality on the characteristics of the vircator are investigated with simulation method. the simulation results show that the front edge of the beam pulse has almost no effect on the saturated microwave output, while good front edges can accelerate the saturation of the virtual cathode oscillation, and beam quality ( except its energy spread ) has almost no effect on microwave frequency, and so on

    結果表明：上凸形束脈沖前沿可使虛陰極振蕩器達到飽和振蕩的時間縮短但對微波飽和功率基本無影響；束流脈寬應足夠大，否則虛陰極振蕩器不能達到飽和振蕩（對應本文中的模型，束脈寬應大於16ns ） ；能散度的影響不可忽視，當能散度為5時，束波轉換效率從單能束時的3 . 8降至1 . 5 ；束流質量（除能散度外）對微波頻率基本上沒有影響等。
  19. Applying the criterion of the work state of operational amplifier, the stable operating condition of voltage - controlled voltage source filter 2 is proved in detail and the condition that the filter can be used as the sinusoidal oscillator is given

    摘要利用運放工作狀態的判據，系統地證明? 4種二階壓控電壓源型濾濾器穩定工作的條件，同時給出了用作正弦波振蕩器的條件。
  20. First, the present thesis gives theoretical investigations on the coaxial bwo using the linear fluid model

    首先，本論文採用線性理論模型研究了同軸相對論返波振蕩器的相互作用過程。
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