coupled wave theory 中文意思是什麼

coupled wave theory 解釋
耦合理論
  • coupled : 成對的
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  • 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. The principle and the main steps of the program based on coupled - wave theory for calculating the diffraction pro perty of gratings are introduc ed

    介紹了利用耦合波理論編寫計算光柵衍射特性程序的基本思想和主要步驟。
  2. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻,還可以利用葉冠之間的摩擦效應來耗散能量,達到減振的目的.帶冠葉片在離心力場中形成一整體,其整圈葉片振動特性不同於單個孤立葉片,需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性,提出了採用波傳播理論和模態綜合技術,結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的,並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  3. 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。
  4. 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。
  5. ( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method

    由聲空間波動方程和薄板理論出發,對聲場?結構耦合系統的模態分析提出了有限元數值方法,採用共扼子空間迭代法對非對稱特徵方程進行處理,採用靜凝聚法消除質量矩陣的奇異性。
  6. We employ the rigorous vector coupled - wave theory to analyze the electromagnetic diffraction nature of two - dimensional columned grid gratings

    我們使用了嚴格的矢量衍射理論? ?耦合波理論分析圓柱形網格光柵的衍射特性。
  7. This paper studied the dispersion and the field distribution of the wave - guide with helical corrugation operating in 8mm wave band. the main works of this dissertation are listed as following : 1. based on the theory of coupled - wave, using the method of perturbation, the coupled - wave equations are derived and the rule of coupling is gotten. 2

    2 .利用螺旋波紋波導的耦合波方程和模式耦合規則,得到波導色散方程,利用visualfortran平臺編程進行數值模擬,分析相關物理參數對色散特性的影響;對波導的行波幅值耦合方程進行數值模擬,從而簡化了耦合方程,在此基礎上利用visualfortran平臺編程進行數值模擬,分析螺旋波紋波導的場分佈情況。
  8. Because the feature size of subwavelength diffractive microlens is smaller than the incident wavelength, scalar diffractive theory cannot be used to the analysis. it also precludes rigorous vector coupled - wave theory for its finite and aperiod structure

    由於亞波長衍射微透鏡的特徵尺寸小於入射波長,因此不能採用標量衍射理論來分析,又由於它是有限非周期的結構,嚴格的耦合波方法對它也不適用。
  9. In this paper the average field is used to describe the carrier in each segment based on the carrier distribution in two - segment dfb lasers and the strict coupled wave theory is used to describe the photon density. combined with these two methods, the threshold condition expression has been derived for the first time

    基於兩段式dfb激光器中的載流子分佈事實,本文對每一段內的載流子濃度用平均場方法處理;對于激光器內的光場分佈則應用嚴格的耦合波理論進行研究,通過將這兩種方法有機結合,首次導出了兩段式dfb激光器的閾值條件表達式。
  10. 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。
  11. 2 ) based on the maxwell equations of nonlinear media, high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory, and the suitable application range is presented

    2 )利用奇異攝動多重尺度導數展開法,從非線性介質中的maxwell方程組出發,導出了包含高階攝動項的同一光波不同偏振分量的耦合高階非線性薛定諤方程,並給出了其適用范圍。
  12. The present paper intends to construct a systematic approach to search a type of particular exact solutions to nonlinear wave equations by utilizing the theory of mathematics mechanization proposed by famous mathematician wu wentsun. by the approach, two classes of important nonlinear coupled scalar field equations arising in the field of nonlinear physics are studied systematically and a batch of exact solutions containing steady and diverging solitary wave solutions and periodic ones are obtained, which are helpful in clarifying the movement of matter under the nonlinear interactiveties and play an important role in sicentifically explaining of the corresponding physical phenomenon

    本文將我國著名數學家吳文俊的數學機械化思想應用於非線性物理領域,給出了構造非線性波方程組一類特殊精確解的一種統一演算法,利用這種演算法系統地研究了出現于非線性物理領域中的兩類重要的非線性耦合標量場方程組,獲得了這些方程組一批精確解(包括穩定和發散形式的孤立波解以及周期解) 。
  13. And then we find the answer to the tsp. this paper discussed the construction of neural networks, and then involves the coupled character in the neural networks, wave theory, multiple waves, and route marker

    本文深入研究了神經網路的構造,其中的耦合特性、波動特性以及網路中存在的多波現象和為得到旅行商旅行所需路徑的標記等。
  14. Based on the rigorous coupled wave theory, the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle, azimuth and grating parameters are variant

    摘要從嚴格耦合波衍射理論出發,在不同入射角、方位角和光柵參數下的情況,計算了矩形亞波長光柵零級反射效率隨入射光波長的變化。
  15. The frequency conversion technique applied universally in the field of solid - state laser is studied : the second harmonic wave theory on the base of the coupled wave theory. the effect of phase - matching upon conversion efficiency is mainly analyzed

    本章還分析了固體激光領域普遍採用的頻率變換技術:建立在耦合波理論上的二次諧波理論,重點分析了相位匹配對轉換效率的影響。
  16. I use rigorous coupled wave analysis ( rcwa ) and effective media theory ( emt ) to analyze the effects of parameters of subwavelength grating and the grating ' s material on the diffraction character of grating

    本文利用嚴格耦合波理論和等效介質理論分析了亞波長抗反射光柵的結構參數以及材料對光柵衍射特性的影響。
  17. The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction. in addition high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory and the dispersion relation. furthermore, a class of optical solitary wave solutions, such as the bright - bright, dark - dark, bright - dark, and combined solitary waves are found under certain parametric conditions

    數值研究了源啁啾飛秒孤子間相互作用,提出了抑制該作用的可能方案;用奇異攝動多重尺度導數展開法和色散關系推導了耦合高階非線性薛定諤方程( chnlse ) ,並用行波變換法得到了一系列孤波解析解,分析了它們在光纖中傳輸的必要條件,也討論了它們的穩定性,為實現飛秒光脈沖在光纖中的無畸變傳輸作理論上的探索。
  18. This thesis analyse the linear theory of gyro - twt with spiral corrugated waveguide and two - beam coaxial gyrotron. first of all, base on the theory of coupled - wave, the dispersion equation and coupling condition of spiral corrugated waveguide is realized by applying the method of impedance perturbation

    首先,在耦合波理論基礎上運用阻抗微擾法分析了內開槽螺紋波導的冷腔色散特性,通過數值運算作出了冷腔色散曲線同時用三維粒子模擬軟體進行了相應的冷腔分析。
  19. Firstly, the diffraction properties of sub - micron gratings is analyzed using rigorous coupled - wave theory, including the relationship of the direction of diffraction light in each grade and grating period, and the relationship between diffraction efficiency and groove depth

    文中首先利用嚴格耦合波理論( rcwa )分析亞微米光柵的衍射特性,即各級次衍射光方向與光柵周期及入射光角度的關系,亞微米光柵的衍射效率與槽深的關系。
  20. The diffraction efficiency of phase mask is discussed by using rigorous coupled - wave theory. the results are useful for fabrication of phase mask. and the diffraction efficiency of linearly chirped phase mask is discussed, it presents require of ion - beam etching

    利用嚴格耦合波理論對光纖光柵相位掩模的衍射效率問題進行了深入研究,以達到指導光纖光柵相位掩模實際製作的目的,並且研究了啁啾掩模的衍射效率問題,為線性啁啾光刻膠掩模的離子束刻蝕提出了要求。
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