振蕩功率 的英文怎麼說

中文拼音 [zhèndànggōng]
振蕩功率 英文
fluctuating power
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 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...
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • : 率名詞(比值) rate; ratio; proportion
  1. Study of one new hpm radial klystron oscillator with foldaway concentric circular cylinder resonant cavity

    一種新的高微波折疊式諧腔徑向速調管
  2. High power radial reflex klystron oscillator with virtual cathode

    新型高虛陰極徑向反射速調管
  3. Radial klystron oscillator driven by intense relativistic electron beam

    新型高徑向強流速調管
  4. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射及輻射效的影響。
  5. The backward - wave oscillator ( bwo ) is one of the promising devices that can produce high - power microwaves and is intensively investigated because of its merits such as compact structure, high efficiency and good stability

    相對論返波器是有發展前途的高微波源之一,具有電磁結構緊湊、效高和運行穩定等特點,在國際上受到廣泛重視。
  6. 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,成地獲得了頻分別為66hz和23hz的熱聲
  7. In chapter three, the all sub - circuits including uvlo, current bias, ldo, oscillator, green mode, slop compensation, power limiting, pwm, ovp, blanking time generator, logic controller are designed and simulated. as a result, all of the sub - circuits are satisfied the requirements

    本文第三章對集成電路內各個模塊包括欠壓保護、電流偏置、 ldo 、器、綠色模式、斜坡補償、限制、脈寬調制、過壓保護、前沿消隱、邏輯控制電路等進行了設計與模擬,且達到了預定的設計目標。
  8. 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,從四能級速方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出和斜效的表達式,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,光模尺寸、最佳輸出耦合、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ld泵浦nd : yag激光器和透鏡組耦合高ld泵浦nd : yag激光器,對激光器的輸出穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高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西安理工大學碩士學位論文光束腰半徑時,激光輸出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,隨著泵浦的增加,測量范圍擴大,靈敏度提高,當端面泵浦為7 . 24w (最大輸出為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 。
  9. After analyze the theory about w - band millimeter integrate oscillator, using impatt diode come from russia, we manufacture the w - band cw integrate oscillator. it is first domestic w - band millimeter integrate oscillator using impatt diode. the oscillator ' s output power is exceeding 7mw, working at 94. 785ghz

    通過對三毫米集成源進行理論分析和實驗研究,最終在國內首次採用從俄羅斯引進的三毫米連續波雪崩二極體研製成w波段微帶集成源,工作頻為94 . 785ghz ,輸出大於7mw 。
  10. Several new styles of radial klystron oscillators are studied theoretically and numerically. these new members include : the radial klystron oscillator with foldaway - concentric cylindrical cavity, the radial reflex klystron oscillator with virtual cathode and radial reflex klystron with open foldaway - concentric cylindrical cavity

    它們是折疊式諧腔徑向速調管器,高虛陰極徑向反射速調管器,開放式同軸折疊式諧腔徑向反射速調管器。
  11. The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum

    隨著電流的增大,輻射場經歷由穩定飽和到極限環型的周期,並最終過渡到非周期性混沌的演化過程,按其狀態可分為「軟」和「硬」兩種非線性區域: ( 1 )在「軟」非線性區域,場的極限環態和穩定飽和態是交替出現的,其特徵是典型的倍周期分岔,輸出譜是分立的。
  12. 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。
  13. 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高迴旋速調管技術的研究」 ,對以諧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,其中迴旋管採用的是漸變復合腔。
  14. During the circuit design, the author analyzed the basic principle of the direct current motor, pwm control, h - bridge power driver, and two control techniques of h - bridge power drive circuit, designed its general structure, so the feasibility of the design is confirmed. then, reference, oscillator, power dmos gate drive circuit ( charge pump, bootstrap ), and dead time generation circuit are designed and analyzed in the sub - circuits. a current - controlled oscillator is presented in this thesis

    在電路設計中,作者介紹了直流電機的工作原理和數學模型、脈寬調制( pwm )控制原理、 h橋電路基本原理和h橋驅動電路的兩種控制模式,設計了驅動電路的總體結構,給出了電路的能模塊,確定了設計的可行性,然後在子電路模塊中,重點分析設計了基準源電路、器電路、高端管柵驅動電路(電荷泵及自舉電路) 、低端管柵驅動電路和死區時間產生電路。
  15. A new coaxial vircator with high efficiency and high power

    一種高效和高的雙同軸虛陰極
  16. Theoretical model of self - mixing interference in a linear frequency modulated laserdiode is presented by using the dynamic theory of semiconductor laser with weak external optical feedback. the characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model. the absolute distance from front facet of laser diode to target can be found by measuring spectrum of output power of the laser diode

    使用半導體激光器在弱反饋條件下的動力學理論,建立了線性調頻半導體激光器的自混頻干涉理論模型.基於該模型,分析了激光器偏移與輸出變化特性.通過測量激光器輸出譜,可以得到激光器前端面與被測目標之間的距離
  17. The device has a built - in oscillator with the frequency that can be programmed using external resistor and capacitor, typically 40 ~ 50 khz

    該晶元具有自能,可以通過外部元件設定,典型為40 50khz 。
  18. The simulation results of the 2. 5 - d pic code for this new structure are presented. a 2. 5 gw peak output power with the frequency of l. 3ghz is generated with the input of 625kv voltage, dc input power of 18gw

    然後對這種器件進行了數值模擬研究,得到的典型結果為:輸入電壓625kv ,輸入直流18gw ,輸出微波峰值為2 . sgw ,虛陰極被鎖定,微波飽和時間小於sns ,頻為1 . 3ghz 。
  19. Simulation results show 2. 5 gw output power with a frequency of 1. 25ghz can be generated with an input of 620kv voltage, dc input power of 10. 5gw electron beam. ( 3 ) the radial reflex klystron with an open foldaway - concentric cylindrical resonant cavity integrates the resonant cavity and reflex cavity within one foldaway coaxial cavity, so it is a very compact high power microwave device

    然後對這種器件進行了數值模擬研究,得到的典型結果為:輸入電壓620kv ,輸入直流io . sgw ,輸出微波峰值為2 . sgw ,虛陰極被鎖定,頻為1 . 25ghz ,微波飽和時間小於sns 。
  20. Because quasi - fermi levels of a laser diode ( ld ) vary with the carrier density, it is predicted that a new type of hysteresis loop should occur for the current passing ld while a hysteresis loop appears on the power - frequency curve of the ecld. an explicit analytical expression for the frequency width of the hysteresis loop and the condition for the formation of the hysreresis loop has been deduced

    預測了由於半導體激光二極體( ld )的準費米能級之差隨ld內線流子密度的變化而變化,因而,在調諧外腔半導體激光器的輸出?曲線上出現雙穩環的時候,通過ld的電流也應出現一個伴隨的新型雙穩環? ?電流雙穩環。
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