cavity coupling 中文意思是什麼
cavity coupling
解釋
空腔耦合-
For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。 -
The interaction between atoms and photons has been investigated comprehensively by cavity quantum electronics - dynamic ( cavity qed ) in the last decades. with the manipulation of atoms developed by laser cooling and trapping and improvement of high finesses cavity with ultra - low losses, the interaction between atoms and photons has reached what is called strong - coupling range in optical domain
從上世紀90年代發展起來的腔量子電動力學（ cqed ）從根本上揭示了光與原子的相互作用，光頻段腔qed對認識原子與光場的作用至關重要：隨著冷原子技術與高品質光學腔的發展，原子與光子的相互作用達到強耦合。 -
Abstract : from the point of theoretical analysis, this dissertation provides the coupling calculation on the hot gas temperature field and ablation in the cavity between stress release boot and insulation of solid motors. through the calculation, some law of the ablation of the stress release boot is found
文摘:從理論分析的角度出發，通過對人工脫粘層和絕熱層所構成的槽縫燃氣溫度場與燒蝕的耦合計算，得出了人工脫粘層的燒蝕規律。 -
Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed
本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較，用空域平滑演算法解決了相干源的二維doa估計；其次運用腔模理論計算微帶天線的自阻抗，用反應原理計算微帶天線間的互阻抗，進而形成計入互耦影響的廣義阻抗矩陣；討論了互耦對二維doa估計的影響，提出了兩種互耦補償的方法。 -
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。 -
In this thesis, the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of mpt was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of mpt were completed
在航天飛行器上有廣闊的應用前景。本論文對mpt微波等離子體耦合流場進行了機理分析和數值模擬，建立了mpt的小推力測量系統，協同進行了mpt真空環境實驗研究。 -
2. we design a configuration of frequency - doubler according to the optimum focus condition and the cavity stability condition | a + d | < 2 and optimize it based on " mode - matching " and " optimum coupling ". 99. 96 % of optical impedance - match efficiency and over 95 % of spatial mode - matching efficiency are achieved eventually by using t = 10 % of input coupler in our experiment
（ 2 ）根據最佳聚焦條件和腔的穩定性條件（ | a + d | 2 ）對四鏡環型倍頻腔進行了設計，並分別從「模式匹配」和「最佳輸入耦合鏡透射率的選擇」兩方面著手對腔進行優化，在我們的實驗中採用10的輸入耦合鏡，獲得阻抗匹配效率為99 . 96 ，空間模式匹配效率高於95以上的模式。 -
The numerical method based on the coupling of the finite difference method in time domain with the discrete fast fourier transform is applied to calculate the first four eigenfrequencies and eigenfunctions of the six - cavity with open boundary. the absorbing boundary condition for tem wave is tested numerically, and it is applied to writing the code. the cold testing of the cavity is done and the results are good agreement with the numerical results
計算x波段六腔開放腔前四個模式的場分佈;根據第二章公式分別計算x波段六腔開放腔前四個模式的電子負載電導並總結了這四種工作模式渡越效應的規律，基於這種小信號理論分析了x波段渡越輻射振蕩器，得到了工作模式及可能產生的模式競爭。 -
4. the dipole squeezing of a a - type three - level atom interacting with a strong coherent field in a high - q kerr cavity is investigated. the effects of the kerr medium, the field - atom coupling coefficient and the detuning on the atomic dipole squeezing are discussed by numerical calculation
4 .研究了充滿高qkerr介質腔內強相干光場與a型三能級原子相互作用中原子的偶極壓縮效應，著重討論了kerr介質、原子與光場間的藕合系數以及失諧量對原子偶極壓縮的影響。 -
The principle advantages of vcsels over conventional edge - emitting lasers lie in ultralow threshold current, small far - field divergent angle, high modulation frequency, potential for wafer level testing and the ease for single longitudinal mode operation and two - dimension integration. as a result they show considerable promise for applications such as optical fiber communication, parallel optical interconnects, optical information processing and neural networks, etc. a direct coupling theoretical model in quasi - three - dimension for the gain - wave guide vertical - cavity surface - emitting lasers has been created in this paper
它與傳統的邊發射激光器相比具有更優越的特性，例如，具有極低的閾值、較小的遠場發散角、調制頻率高、易實現單縱模工作和二維集成，無須解理封裝即可進行在片測試等，所以，它被廣泛應用於光纖通訊、并行光互聯、光信息處理、光神經網路等領域。 -
Because of its own feature of the structure, ellipsoidal cavity has coupling microwave generated from one of the ellipsoidal center, and plasmas generated from the other ellipsoidal centre, so the plasmas is very centralize, so we can enlarge the area of disposition
橢球諧振腔因其結構的特點，可以滿足大功率的需求，並且耦合微波從橢球的一個球心發出，在橢球的另一個球心產生等離子體，等離子體比較集中，而且沉積速度快，適合大面積的沉積。 -
Based on the self - consistent nonlinear theory of complex cavity gyrotron with gradual transition, a simulation code of self - consistent nonlinear beam - wave interaction has been made, in which the multiple modes interaction with an electron beam and the mode coupling are taken into account. the interaction between the electron beam and hsn - h521 rf field for third - harmonic gyrotron is simulated. the influences of the thickness and the velocity spread and the velocity ratio of the electron beam and the fluctuation of the magnetic field and the technologic errors of complex cavity on the multi - modes interaction with an electron beam are analyzed
二、在漸變復合腔迴旋管多模自洽非線性理論的基礎上，編制了高次諧波漸變復合腔迴旋管多模注?波互作用自洽非線性模擬軟體，並對8mm波段三次諧波漸變結構復合腔迴旋管的注? ?波互作用進行了大量的自洽非線性數值模擬計算與研究，進而分析了電子注的厚度、速度零散、速度比值、磁場波動、腔體尺寸的加工誤差等等多種因素對互作用效率的影響。 -
This design has combined a degnan and hall case iii coupling configuration and u - folded cavity, that is, the mirror - waveguide space is folded and there is only one ceramic waveguide in the whole cavity
採用了輸出鏡類耦合方式+ u型折疊腔的設計方案，即僅含單根陶瓷方波導的「輸出鏡?波導」耦合空間的折疊。 -
The first, the effect of the sizes of coupling slots in a coupling double gap cavity on the cavity characteristics is studied through simulation computation of three dimensions electromagnetic field and analysis of equivalent lumped element circuit. it is concluded by the research that, in lower frequency band, bigger coupling slots in a coupling double gap cavity are beneficial to raising the characteristic impedance and lowering the frequency of it mode
第一，採用三維電磁場模擬計算方法和集中元件等效電路法研究了耦合雙間隙腔中耦合槽尺寸對諧振腔性能如何影響等問題，得出了重要結論：在較低頻率波段，耦合雙間隙腔中開大耦合槽有利於提高模的特性阻抗，降低模頻率。 -
The third, some groping researches are made on broadband coaxial line filter output circuit of klystron. a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter, which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron, is designed. meanwhile some analysis of its stability and peak power capacity is made
第三，對速調管同軸線濾波器寬帶輸出迴路進行研究和探索，設計出了一個適合用於l波段多注速調管、相對帶寬超過14的四耦合槽模強耦合雙間隙腔加載同軸線濾波器輸出迴路，並對其穩定性和峰值功率容限做了一些分析。 -
The position and conductivity of internal metal block have little influence on the coupling of microwave into the slot of the cavity. 4
內置金屬塊的位置變化及內置金屬塊電導率變化對微波與帶縫腔體耦合的影響很小。 -
Using the formulized approach to the su ( 1, 1 ) h ( 4 ) time - dependent system, which is derived from the combination of the formulation of the time - dependent bogoliubov transformation and the evolution equation of the system, we obtain the time evolution operator, state function and heisenberg uncertainty relation of the parametric oscillator with cavity losses under the weak coupling approximation. we also discuss the squeezing property of the system
本文利用含時波戈留波夫變換與時間演化方程相結合得到的求解su （ 1 ， 1 ） ? h （ 4 ）量子系統的時間演化算符和演化態的普遍公式，我們導出了帶腔損耗的參數振子在弱耦合近似下的演化算符，態函數和不確定乘積，並討論了系統的壓縮特性。 -
With the fdtd method to solve the maxwell equations, with the finite - volume method to solve the n - s equations and with the single temperature local thermal equilibrium to solve plasma, first time to adopt the method of all numerical simulation, the coupling flow field of microwave plasma within resonant cavity of mpt was analyzed. for tm011 model and tem model, the matching relation between various parameters and its influence on the coupling flow field of microwave plasma within resonant cavity of mpt was studied separately. the reasonable selection of miniaturization design parameters was pointed out in the numerical simulation to be used in mpt miniaturization, i. e. throat, gas flux and microwave power should be smaller suitable after miniaturization
採用fdtd法求解maxwell方程、有限體積法求解n - s方程、單溫度局域熱平衡模型求解等離子體參數，首次用全數值方法對mpt諧振腔進行了微波等離子體耦合流場的數值模擬，分別分析了tm _ （ 011 ）和tem兩種模式各自的參數匹配關系及其對微波等離子體流場的影響；應用於小型化mpt時，指出了小型化設計參數的合理選取，即：小型化后的mpt ，喉徑小、工質流量小，消耗的微波功率也小。 -
With the cavity of output from zero - order diffractive beam, tunable range of about 70nm from 543 - 610nm had been achieved, and the highest slope efficiency of 17 % was obtained at 583nm wavelength. while using the cavity of output from a coupling mirror, tunable range of over 30nm from 553 - 585nm was obtained, and the
在腔鏡耦合輸出的可調諧激光器實驗中，輸出調諧范圍超過30nm ，此結果與報道的p567固態染料調諧范圍相近；在光柵零級輸出實驗中，激光輸出調諧范圍近70nm ，此結果在已知報道的p567固態染料激光調諧范圍中是最寬的。 -
Particularly, the parameterized design technology of three - dimensional configuration, the woodward panel method calculating aerodynamic performance, the pixel method calculating the rcs of target ' s surface, the shooting and bouncing race ( sbr ) method calculating the rcs of cavity, and the phase coupling method calculating the rcs of whole missile are researched in this paper
主要應用研究了用於巡航導彈的參數化三維幾何造型技術、計算氣動性能的伍德沃德面元法、計算目標體表面rcs的象素法、計算腔體rcs的射線跟蹤法與計算整體rcs的相對相位疊加法。
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