coupled mode theory 中文意思是什麼

coupled mode theory 解釋
耦合模理論
  • coupled : 成對的
  • mode : n 1 法，樣，方法，方式。2 模，型；樣式，體裁，款式；習慣。3 風尚；〈the mode〉流行，時髦。4 【語...
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. Analysis of fiber bragg grating by coupled - mode theory

    耦合模理論對光纖光柵的分析
  2. A new coupled - mode theory based on scalar modes is presented for the anisotropic waveguide with random disturbance via helmholtz equation and a modified dielectric tensor

    摘要從亥姆霍茲方程出發，得到了各向異性光波導在弱導近似下的耦合模理論。
  3. In chapter 4, the spectral characteristics and its application in optical add - drop multiplexer ( oadm ) and in multi - channel dispersion compensator of linearly chirped moir fiber grating are studied. according to the coupled - mode theory and considering the construction features, we derive the couple - mode equations that describe the mode interaction in this kind of grating

    首先從耦合模理論出發，結合線性啁啾moir光纖光柵的結構特性，建立了分析線性啁啾moir光纖光柵的耦合模方程，通過數值求解耦合模方程，研究了線性啁啾moir光纖光柵的光譜特性和時延特性。
  4. Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied

    論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。
  5. Coupled - mode theory for long - period fiber grating

    長周期光纖光柵的耦合模理論
  6. Coupled - mode theory ( cmt ) has been developed from the orthogonal cmt to the nonorthogonal one as well as from the scalar cmt to the vector one during these scores of years. it was applied extensively in guided - wave optics as an effective mathematical tool for the analysis of the coupling between the modes. however, as far as we know, there has not been any report of the rigorous vectorial cmt in the relative publication at home and abroad

    耦合模理論在這幾十年的發展歷程中，從正交耦合到非正交耦合，從標量耦合到矢量耦合，作為很有效的數學工具分析電磁場中的模式耦合，但據我們所知，嚴格的具有普遍適用性的非正交矢量耦合模理論還未見報道，因此耦合模理論還有待于進一步完善。
  7. In chapter 5, a long - period fiber grating with rectangular index modulation is studied by the coupled - mode theory. the couple - mode equations that describe the mode coupling in this kind of grating are presented

    本章仍以耦合模理論為基礎，首先對該類型光柵的折射率微擾進行展開，進而推導其相應的耦合系數和建立耦合模方程。
  8. When the isotropic waveguide is under the isotropic disturbances, the coupling term due to polarization, which is presented in the coupled - mode theory of the wei - ping huang, is n ' t included in this rigorous vectorial coupled - mode theory, exactly, the rigorous vectorial cmt does n ' t contain the coupling term due to polarization which is include in the scalar coupled - mode theory because this term is counteracted with the other coupling term neglected under weakly guiding approximation. as for anisotropic disturbances, we get the coupled - mode equations with arbitrary dielectric tensors. from them, we obtain the coupled - mode equations of the slowly varying term c ( z ) which is more simplicity

    當受到各向同性微擾時，我們發現嚴格的矢量理論所得到的耦合系數表達式中並不包括wei - pinghuang的理論中的偏振耦合項，更確切的說，偏振耦合項正好與因弱導近似而忽略的項相抵消，這就是標量理論所得到結果（有偏振耦合項）與矢量理論在標量近似下的結果（不含偏振耦合項）不一致的原因所在；當各向異性微擾時，我們得到了包含微擾介電張量各個分量的橫電磁場耦合波方程，討論了微擾介電張量各個分量對耦合的影響，而且從橫電磁場耦合波方程出發得到了形式更加簡單的只含有橫電場系數的緩變分量c _ （ z ）的耦合波方程和耦合系數表達式，並以弱導近似下的單模光纖兩正交偏振模耦合為例對耦合系數在不同條件下的取捨做了定性的分析。
  9. The resonance equation of the sampled fiber bragg gratings is derived through the fourier ' s transform and the coupled - mode theory, which determine the wavelengths of the resonance peaks

    摘要利用傅里葉變換和耦合模理論得到了取樣布拉格光纖光柵的諧振方程，確定了其多諧振峰的位置。
  10. 2 several theory analysis methods for properties of fiber gratings are presented including the coupled - mode theory, transfer matrix approach, multi - film method and fourier transfer method. these methods have their own characteristics and scope of application

    2介紹了光纖光柵的理論特性分析，並分別利用耦合模理論、傳輸矩陣法和傅立葉變換法對各類型光纖光柵（布拉格光柵、長周期光柵、啁啾光柵）的光譜特性進行了分析。
  11. The analyses reveal that, compared with traditional tightly coupled mode parallel atpg algorithms, loosely coupled mode parallel atpg algorithms can reduce time and memory overhead in theory

    分析表明，和傳統的緊耦合模式的并行atpg演算法相比，松耦合模式的并行atpg演算法能夠減少時間和存儲開銷。
  12. 3. the coupled - mode theory and matrix theory of lpfg have been studied. based on the erbium - doped fiber which has been chosen for edsfs, smf - 28 of corning corporation and photosensitive fiber of coractive corporation, the optimum fiber grating period, length, the maximum cross transmission wavelength and the relation

    3 .推導長周期光纖光柵耦合模理論及矩陣理論，結合幾種不同的光纖，包括課題中的摻鉺光纖、 corning公司的smf - 28單模光纖及加拿大coractive公司的光敏光纖，利用matlab7建模並結合已確定的長周期光纖光柵的透射譜來優化長周期光纖光柵周期、長度、諧振波長等幾個參數及它們之間的關系，用來指導和優化光纖光柵的製作。
  13. Silicon v - groove structure can provide fiber with high precision orientation. so the problems about how to make light into soi efficiently and coupling between multichannel waveguide devices and fibers can be solved. the coupled mode theory of single - mode fiber and ridge waveguide has been described and analyzed, and the best coupling condition is obtained

    本文圍繞硅v型槽的設計和製作，從理論上詳細分析了單模光纖與脊形波導的模式特點，得出最佳的耦合條件，在此基礎上設計出最合適的硅v型槽結構。
  14. On the basis of fbg " working mechanism which is expounded on the approach of mode - coupled theory, the paper analyzes and compares the characteristics of some typical demodulation mechanisms. a novel demodulation mechanism for fbg with a cantilever beam to linearly tunable filtering is designed, and the theoretical and experimental analysis on this demodulation mechanism is explained. although the experiment conditions restrict it, the analysis of the measured data show the mechanism has great effect on the practical applicationjiot only in optical communication and sensor systems

    在使用模式耦合理論詳盡地闡述了光纖光柵工作原理的基礎上，本論文分析比較了幾種典型的傳感解調方案的特點，然後設計了一套新穎的基於懸臂梁線性調諧濾波的光纖光柵解調系統，並對這套系統進行了理論和實驗研究。盡管由於實驗條件所限，最後的實驗結果與實際值稍有差距，仍得到了許多有益的結論。
  15. 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。
  16. In this thesis, the spectral characteristics of a fiber grating are analyzed by using the coupled mode theory. the influences of various structural features such as the length, chirp, coupling coefficient and aperdization to the spectral characteristics were studied numerically with a transfer matrix method. the reflective spectral responses for fiber bragg gratings with different aperdization are analyzed, and the optimal aperdization is ob tained

    首先論文利用耦合模理論對光纖光柵的光學特性進行了詳細的分析，在對比了龍格庫塔法和傳輸矩陣法這二種常用的分析方法的基礎上，選擇傳輸矩陣法著重研究了光纖光柵長度、啁啾系數、耦合系數以及各種切趾函數與其反射譜譜寬、反射率極值、時延、色散等特性的相互關系及影響。
  17. This dissertation emphasizes on the study of fiber bragg grating ( fbg ) based programmable oadm and multiwavelength erbium - doped fiber lasers, and includes the detail descriptions on the following subjects : 1. the spectra characteristics of both the single mode fiber bragg grating and the hi - birefringence fiber bragg grating are analyzed and simulated with coupled - mode theory

    本論文以基於光纖光柵的可編程oadm和多波長摻鉺光纖激光器作為主要研究對象，進行了以下研究工作: 1 .利用耦合模理論分別對光纖布喇格光柵和雙折射光纖布喇格光柵的光譜特性進行了分析和計算機模擬。
  18. The bragg wavelengths can be simulated by using coupled - mode theory and the results agree on the experiments. theoretical simulations show that the temperature dependant characteristics of few - mode fiber bragg gratings are similar to those of single - mode fiber bragg gratings. that is, each bragg wavelength shifts as a same rule when the temperature varies and the whole spectrum can maintain its profile

    理論上的推導還給出了少量模光纖光柵的溫度依賴特性與單模光纖布拉格光柵的溫度依賴性相似，得到的結論為在少量模布拉格光纖光柵均勻受熱時，它的幾個反射峰具有相同的溫度漂移，而且這個透射譜的形狀不因為溫度的改變而改變。
  19. Matrix methods and coupled mode theory are applied to resonator structures such as distributed feedback lasers, tunable lasers and microring devices

    矩陣方法與偶合模式理論被提供來做共振腔結構，如分散式回授雷射、可調雷射及微環型元件。
  20. Based on the coupled mode theory, the reflect spectrum of ofbg is derived. the influenced of grating length, coupling coefficient and chirp coefficient to the maxium reflectivity and reflection bandwidth of ofbg are discussed in details. we find that under weak couple conditions ( the couple coefficient k < 1 ), the reflect spectrum of an ofbg approximately has a characteristic of sa2 ( x ) shape, which matched to the power spectrum of an optical communication signal

    本文在利用耦合模理論對均勻及線性啁啾變跡光纖光柵（ ofbg ： opticalfiberbragggrating ）的反射譜進行分析的基礎上，發現弱耦合條件下（耦合系數1 ） ，均勻ofbg的反射譜具有類似與sa ~ 2 （ x ）函數的分佈特性，從而創新提出利用ofbg對光纖通信系統中光放大器的ase噪聲進行匹配光濾波的設想。
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