耦合振蕩 的英文怎麼說
中文拼音 [ǒugězhèndàng]
耦合振蕩
英文
coupled oscillations- 耦 : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 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...
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
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If the numerical value line resonance frequency plus some shaft connatural frequency of generator is equal to operation frequency, it brings about coupling resonance between generator and system, which maybe results in shaft rupture of synchronous generators
當線路電氣諧振頻率與同步電機的軸系某一固有振蕩頻率近似互補于電網工頻時,將導致機電系統的耦合振蕩,嚴重的會造成同步發電機大軸的扭斷。The combustion process cannot couple to the feed system unless a flow oscillation exists.
不存在流動振蕩,燃燒過程就不可能與供應系統耦合。The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator
基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁,由於每排金屬孔孔間距遠小於波長,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的矩形波導,所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現,比如功分器、濾波器、天線、耦合器、振蕩器等。Light is a wave composed of coupled electric and magnetic fields oscillating in synchrony at very high frequencies
光是一種由電場與磁場耦合在一起進行高頻同步振蕩所形成的波。It has been shown that : with the increase of the kerr medium intensity parameter u, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid, the antibunching effect becomes strengthened ; with the increase of n, the interaction between the field and atoms gradually becomes weak, however, the interaction between the field and the kerr medium gradually becomes strengthened and happen in advance ; with the increase of the coupling constants of two atoms, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid too, the antibunching effect becomes weak
結果表明:隨著值的增加,光子統計演化曲線的rabi振蕩的幅度減小,振蕩頻率變快,系統的反聚束效應增強;隨著初始場強( ? )的增大,場與原子的相互作用逐漸減弱,而與介質的相互作用逐漸加強並提前發生。隨著原子間耦合系數g的增大,光子統計演化曲線的rabi振蕩的幅度減小且振蕩周期縮短,同時,系統的反聚束效應減弱。It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed
)的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。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 。Calculation for a coupling coefficient of two modulation cavities in a relativistic klystron oscillator
相對論速調管振蕩器中兩個調制腔耦合系數的計算The coupling from the pulse jet in the nozzle to the unsteady flow in the tube was discussed. and the relations between the parameters of gas charge and discharge, structure, working, flowing in tube and ideal cooling efficiency were established. the theory foundation of the influence of pulse jet on the flowing in the tube and characteristic would be built
探討了脈動射流與管內非定常流動的耦合問題,建立了脈動射流有關參數如進、排氣參數、結構參數、運行參數等和振蕩管內流動參數及理想製冷效率之間的普遍聯系,為研究脈動射流參數對振蕩管內流動及其性能的影響打下了理論基礎。The characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease. in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line. when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different
其中,並列運行的無串補交流輸電線路可以緩解hvdc與其臨近機組之間的機電耦合程度,改善hvdc的電氣負阻尼特性,從浙江大學博士學位論文摘要而減輕機組發生次同步振蕩的危險性,此時系統的整體電氣阻尼特性由hvdc的性質決定;但若交流線路中存在串聯補償電容,則系統幅值較大的電氣負阻尼不僅可能使整流站機組發生次同步振蕩,逆變站附近機組同樣存在發生次同步振蕩的可能性,此時系統的整體阻尼特性由串聯補償電容的性質決定。Particles coupling between horizontal and vertical oscillations in csrm
束流徑向和軸向振蕩的耦合The energy will couple in the region of diode and decrease the output power, if there is no reflector placed in front of the sws at the end of beam injection
對于這種振蕩器如果在電子注輸入端沒有反射器,微波能量將耦合到二極體區,使輻射到空間的微波能量減少。By the method of matrix optics, the waist width and imaging distance of gaussian beams through the coupling system are calculated. by the result of the calculation, a set of double planoconvex lens coupling system are designed and manufactured. the coupling efficiency is up to 92 %
利用矩陣光學的方法,計算了高斯光束經耦合系統聚焦后的像距和束腰寬度,以此為指導設計加工了一套雙平凸鏡耦合系統,耦合效率達92 ;在以上基礎上研究了泵浦光與振蕩光在激光晶體中的匹配,計算出了泵浦光經耦合系統后的最佳焦點位置。The rapid advances of laser technology in the past few decades have made the production of extremely short laser pulses, containing only a few, even only one or nearly one, cycles of optical oscillations, which led to many new questions
隨著激光技術的快速發展,實驗中已經可以得到接近光學振蕩周期的超短激光脈沖。此類脈沖的時間和空間部分在傳輸過程中會相互耦合、相互影響,從而帶來一系列的新的傳輸效應,成為當今激光領域的一個研究熱點。Two controlled bifurcation diagrams verses feedback strength are obtained respectively. it is found that the value of critical feedback strength is increased linearly as the coupled strength is increased linearly. the cml with sf loses synchronization and intermittency occurs if control strength is greater than the critical feedback strength
對于時延反饋控制,臨界反饋控制值線性地隨著耦合映象格子的耦合強度的線性增長而增大;當控制強度大於臨界反饋控制值時,具有無標度拓撲結構的耦合映象格子系統會失去同步狀態進而出現間歇振蕩現象。When the coupling rabi frequency c satisfies the condition of c > 1 / 2 3, the transient process is a relaxation oscillation behavior. as the coupling rabi frequency c decreases, the transient oscillation behavior slows up
當_ c _ 3 / 2時,這個瞬態過程為一馳豫振蕩過程,在不同大小的耦合光rabi頻率_ c條件下, _ c取值越小,瞬態過程振蕩越慢。This paper makes an overview of the reasons, corresponding analysis methods and countermeasures for shaft torsional oscillation
本文對機電耦合引發振蕩的原因以及研究方法和抑制措施進行了總結。Based on this arithmetic, the high frequency characteristics of five - cavity with open boundary is calculated by the code written in fortran language. then the transit effect of five modes of five - cavity with open boundary is also calculated using code mathcad and matlab. the results show that the working mode of five - cavity transit tube oscillator is 3 / 6 mode, and the analysis of the theory are in good agreement with the simulation results
根據從基於四腔渡越時間效應的自調制出發,經過一段飄移,然後再採用雙間隙提取腔邊耦合輸出高功率微波的思路,採用粒子模擬方法優化設計出一種峰值功率為1 . 5gw ,頻率為9 . 3ghz的六腔渡越輻射振蕩器,並研究了它的一系列工作特性。Discussions of coupled oscillation rules in resonance state
關于對共振現象中的耦合振蕩規律的探討In the section of theory, we mainly studied optical parameter effect, discussed physical mechanism of optical parameter laser and normalized coupled wave equation and got the solution. we also carried out the analysis of gain mode of optical parameter oscillation, studied the threshold condition, analyzed output characteristics and then achieved characteristic curve
本文理論部分主要作了有關光參量效應方面的研究,探討了光參量振蕩器的物理機制、參量振蕩的歸一化耦合波方程,求解得到了參量振蕩器的耦合波函數,同時對光參量振蕩的增益模式進行了分析,研究了使參量振蕩的閾值條件,並對光參量振蕩器的輸出特性進行了分析,得到了特性曲線。分享友人