waveguide mode 中文意思是什麼

waveguide mode 解釋
波導方式
  • waveguide : 【電學】波導（管）。
  • 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...
  1. The theory of wilkinson power combiner and ratrace coupler is analyzed by using the odd - even mode method in this thesis. on the basis of the theoretical analysis, we designed and tested the wilkinson power divider, the modified wilkinson power divider and ratrace coupler, good agreement is observed. in addition we propose a power combiner based on a waveguide - to - microstrip transition using antipodal finlines. this structure united the two functions of transition and equal power division, it can not only be used in the circuit power combiner but also be used in spatial power combiner

    另外提出一種基於鰭線波導微帶過渡功分器，該結構將過渡與功分兩種功能完全結合，不但可以用於電路合成式功率合成，也可用於空間功率合成中。對功率合成器，其主要指標是輸出功率和效率，其中提高輸出功率和效率的一個方法是在輸出端抑制諧波，主要是對二次諧波的抑制。
  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. For the negative uniaxial crystal material, the principal mode is a hybrid guided mode, which can also be excited by the light at any frequency, but when the single mode propagation condition can not be satisfied, some of the higher order hybrid guided modes will exist in the waveguide

    對于負單軸晶體，波導的主模是混合模hgm _ 0模，該模式同樣可被任何頻率的光波所激勵；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階混合模。
  4. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下，利用金屬波導和單軸晶體的一些特性，結合麥克斯韋方程組和波導的邊界條件，從三種不同的情況研究了光在對稱平面單軸晶體金屬波導（波導層是單軸晶體，兩個波導界面均為金屬）內的傳輸特性，其主要貢獻為，首次解析地得到了這種波導結構下模式場的精確解，並發現了一些有用的特性： （ 1 ）模式場的性質因單軸晶體的性質不同而異； （ 2 ）當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時，波導中傳輸te波和tm波，只不過其主模因單軸晶體的性質不同而異，當波導層介質為負單軸晶體時，波導主模是te波主模，而波導層介質為正單軸晶體時波導主模是tm波主模。 （ 3 ）當單軸晶體光軸位於波導面內時，對于正單軸晶體，波導的主模是橫電波te _ 0模，任何頻率的光波均可激勵該模式；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階模式，高階模即匪te波，也匪tm波，而是兩者耦合而成的混合模。
  5. We discuss in more detail the application of the coupled mode formulas to scalar waveguide deformations.

    我們將詳細討論耦合模公式對標量波導畸變的應用。
  6. Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered

    文摘:根據縫隙口面切向場的連續條件，採用解析數值法矩量法，對扇面波導寬壁上窄的斜縫進行了計算，解得了磁流系數及其分佈，並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸，在x波段計算了散射參量和歸一化等效串聯阻抗，給出計算結果，為縫隙天線和縫隙陣列設計提供了依據
  7. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合
  8. Many high - power microwave ( hpm ) sources utilize an azimuthally symmetric output mode such as the tm 01 circular waveguide or the coaxial tem mode as output mode. if radiated directly these azimuthally symmetric modes will generate a doughnut - shaped pattern, with a null on boresight

    許多高功率微波源產生的微波模式都是圓波導軸對稱模式，由於其輸出埠的口徑場分佈具有圓對稱性，將導致軸向為零的環狀遠場方向圖。
  9. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式，包括曲面橫截線為對稱、非對稱圓弧，拋物線弧，雙曲線弧，橢圓弧等.然後根據等效原理，推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式，給出計算曲線.這種解雖然是近似的，但卻能解決這類共形波導縫隙天線的工程設計
  10. And this result is extended to the eigenfunction of maxwell ' s equations. then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes. as application, there are three examples : the emergent wave from planar waveguide to free space, the transverse and longitudinal coupling of waveguide and the measurement of scalar gratings

    由於從一個空間到另外一個空間的光束傳播伴隨著界面上各個模式能量之間的耦合，作為應用，本文介紹了完備性在三個情況下的應用：平面波導出射光束的衍射性質、波導的橫向和縱向耦合以及標量光柵的測試。
  11. The optical waveguide characteristics such as waveguide mode field profile, and the mode cut - off conditions, and the waveguide dispersion are analyzed with the solution of a certain wave equation. the mechanism of index ellipsoid of linbo _ 3 crystal distorted with an external applied electric field by means of the electro - optic tensor as investigated. based on the operation principle of m - z waveguide, the operation mechanism of the two - section cascaded m - z waveguide and of the modulation electrode are

    調制器的結構設計從m - z干涉型光波導工作原理出發，分析兩級串聯m - z干涉型光波導的工作原理，調制電極的工作原理，從而設計出了工作於1 . 054 m的、兩級串聯m - z干涉型光波導、行波電極linbo _ 3為強度調制器的結構參數。
  12. The equivalent circuits is synthesized for the case where the te10 mode is the only propagating waveguide mode, which based on basic waveguide - circuits equivalent circuits such as cross - coupled coaxial line rectangular waveguide junctions, rectangular waveguide transmission lines etc. then we make the computation program for the equivalent circuits to analyse and optimize the vco circuit, and get the each parameter ' s influences on vco output signal

    本文從波導電路的等效電路出發，綜合出3mmvco基波工作時只考慮te10模的等效電路，依據此編製程序完成了振蕩器電路的分析優化，得出了電路中各個參數對振蕩器頻率溫度穩定度性能的影響。
  13. The results show that, as for the single - mode transmission, the dispersion relations yet include space - dispersion ( k dispersion ) which relates to angular spectrum of fields of in - waveguide, in addition to the material - dispersion and the waveguide - dispersion

    分析結果表明：對于單模傳輸，色散關系中除了與頻率有關的材料色散和波導色散外，還應包括與輸入端光場的角譜有關的空間色散（ k色散） 。
  14. Derived from optical waveguide fundamentals, outstanding advantages of mfld in high s / n ratio and sensitivity were theoretically presented. to resolve inconsistent change tendencies of mode - filtered light obtained in bare core sensing system and in modified sensing system, that is, the mode - filtered light signal declines with the increase in analyte ris in bare core sensing system but increases with the increase in analyte ris in modified sensing system, we started with light energy radiation theory, and obtained the details of mfld mechanism by discussing in detail the radiant energy ' s reflection and refraction at the interface, thus establishing a mathematical model of mfld. we concluded that the inconsistent change tendencies of mode - filtered light were essentially coherent

    為了解決實驗中裸光纖體系與修飾光纖體系在獲取模式濾光信號上出現的不一致現象，即裸光纖體系中隨著分析對象的折射率增大，獲取的模式濾光信號呈下降趨勢，而在修飾光纖體系中分析對象的折射率增大，獲取的模式濾光信號卻是增大的，我們從光的能量輻射學入手，詳細地討論了光輻射能在傳輸路徑上的反射與透射，獲得了模式濾光信號產生的細節，以此建立了模式濾光檢測的新模式。
  15. The electromagnetic fields components of the te wave mode of a half - round waveguide are obtained theoretically, by using the conclusions of the rectangle and the circular waveguide, the superposition method and the mirror image method etc

    摘要利用矩形波導和圓形波導的結論，並結合疊加法和鏡象法等工具，從理論上分析給出半圓形波導的te波模型的電磁場分量。
  16. Through analyzing the transfer losses, the appreciate waveguide mode is selected as the working mode

    通過分析波導傳輸損耗，選擇出最合適的導波模式作為工作模式。
  17. Abstract : a general bpm simulator for optical waveguides is presented in this paper. this system includes three tools : the effective refractive index calculation tool, the waveguide mode solution tool, and the beam propagation method simulation tool. this system is very useful for the optimal design of the linear optical waveguide devices

    文摘:介紹了一個光波導器件計算機輔助分析系統，該系統集成了3個實用工具：光波導有效折射率計算工具，光波導模式求解工具和三維復折射率全矢量有限差分束傳播法模擬工具.本系統用於線性波導器件，模擬光在波導中的傳播過程，從而可以優化設計波導器件，探索新結構器件
  18. The optical waveguide characteristics such as waveguide mode field profile, and the mode cut - off conditions, and the waveguide dispersion are analyzed with the solution of a certain wave equation

    光波導理論研究從波動方程與射線光學的角度入手，得出模式方程，並分析了波導模式、波導的截止條件。
  19. In this paper, we computed and found the main parameter for facture of ti : linbo3 waveguide, by the function of ti diffusion profile in linbo3, and the waveguide mode ' s cut - off condition. the parameters include waveguide width : 8 m, titanium film thickness : 50 ~ 60nm, index change : 0. 006, diffusion temperature : 1050 and diffusion time : 9 ~ 10 hours

    本文從ti擴散特性和波導導模截止條件入手，計算並確定了製作單模ti linbo _ 3波導的主要參數，如：波導寬8 m ， ti膜厚50 60nm ，擴散溫度1050 ，擴散時間9 10h等。
  20. This thesis tries to modify the perfect set of waveguide mode theory and gives several examples of its application. firstly, from the functional analysis, the eigenfunction series of vectorial partial differential operator is studied. the property of complete space is gotten

    本文首先從泛函分析的方法出發，研究了矢量偏微分運算元本徵函數系的性質，得到了矢量偏微分運算元正交完備歸一化本徵函數的存在證明，研究了maxwell方程組的情況，證明了電磁場在均勻和非均勻介質條件下的正交本徵函數系的完備性質。
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