light propagation 中文意思是什麼

light propagation 解釋
光傳播
  • light : n 1 光，光線；光明，亮光 （opp darkness） Hang the picture in a good light 把那幅畫掛在能看清楚的...
  • propagation : 持續培養
  1. The simplest explanation of aberration is the analogy of light propagation to the fall of raindrops.

    對光行差的最簡單的解釋，是把光的傳播同雨點的下落作類比。
  2. Fermat's principle is not so much a computational device as it is a concise way of thinking about the propagation of light.

    費馬原理更多的是對光的傳播的一種簡明看法，而不是一種計算工具。
  3. 2 comparative study on morphology in the light of the form of the materials, hup shows more approximate relationship with gri : they are 50 ~ 70cm high at the period of fructescence ; both are perennials and reproduce themselves by root stock, and especially, hup can also reproduce itself by branch roots and buds growing from stipes when the stems fall againt the ground, and then those buds develop into new bodies ; while gri can reproduce itself not only by vegetative propagation but by seeds. both of hup and gri characterize with bigger leaf blade and with the approximate form of simple leaf, with root stock, and with two - line seeds in one fruit

    2形態學比較從形態上來看，新種hup與分佈海拔高度相近的gri比較接近:植株體高大，果期株高50一7ocm ;都為多年生，能以其根狀莖繁殖，但前者還以較為特殊的營養體繁殖後代，即倒伏后每個莖節上長出新的根和芽，發育成獨立的新植株，後者既能以營養體繁殖，又可通過種子繁殖;具有較大的葉片且單葉形態相近，果實內有二行種子（其它種為一行） . 。
  4. 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。
  5. 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。
  6. The highly sophisticated electronic methods rely on either light or radio wave propagation.

    較復雜的電子技術是利用光或無線電波傳播。
  7. Ignored the amplified spontaneous emission ( ase ) and esa, rate equations and propagations equations for continuous wave er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass waveguide laser were calculated using runge - kutta algorithm. propagation characteristics of signal and pump light in the waveguide were analyzed too

    利用fd - bpm法，對在平板波導以及波導折射率為漸變折射率分佈的溝道波導和掩埋型波導內傳播的波長為980nm的泵浦光和1540nm的信號光的光場進行了模擬。
  8. In chapter 2, a schrodinger formulation for paraxial light beam propagation of the real and comprehensive refractive indexes is represented. the equation for the atom laser beam wave - function is also given by a schrodinger equation, which is similar to the equation of the time - dependent system. therefore, it is possible to investigate the propagation of an atom laser beam

    第二章：本章介紹了傍軸光束在實數折射率介質和復數折射率介質中傳輸的schrdinger形式理論，同時指出由於原子激光的傳輸滿足schrdinger方程，與含時量子系統的傳輸方程類似，故利用含時量子系統的schrdinger形式理論來研究原子激光的傳輸是可行的。
  9. Because of the digitally rebalanced circuit, the sensor is capable of achieving better static and dynamic characteristic, higher sensitivity and stability. in this paper, the propagation path of light in the step index fiber and graded index fiber is introduced firstly. then the paper sets up the coupled power model and develops the coupling function

    在文中，首先介紹了光線在階躍型光纖和梯度折射型光纖中的傳播路徑，以及在一端鍍有反射膜的1 4波節長度的grin透鏡中的成像規律，並推導了光功率耦合函數。
  10. Our physical picture of guided light propagation is that of light traveling in zigzag fashion through the film.

    導波光的傳播的物理圖象就是光按Z字形方式通過薄膜傳輸。
  11. Based on the above theory and methods, the main works of this thesis are lasted as follows : starting from the propagation law of partial coherent light and beam coherence - polarization ( bcp ) matrix approach, the properties of pgsm beams through both an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one are studied. the analytical propagation equations of pgsm beams are derived, which enable us to study the propagation - induced polarization changes and irradiance distributions of pgsm beams through an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one

    在此基礎上，本文進行的主要工作有：基於空間-時間域中互強度的傳輸理論和bcp矩陣處理方法，首次研究了pgsm光束通過對稱和非對稱abcd光學系統和光闌的傳輸變換特性，推導出了pgsm光束傳輸表達式，可以對pgsm光束偏振和光強的傳輸變化進行分析。
  12. Second, negative dispersion without absorption, which leads to superluminal light propagation, is achievable in the central resonance structure of the dispersion spectrum. the negative dispersion is slightly weakened as the spacings between dressed states increase

    其次，在色散光譜的中心區域，呈現出無吸收負色散，這種效應能夠導致超光速傳播，但它隨著修飾態間距增加而減弱。
  13. The theory of diffraction is the fundamention of optical information processing, in fact, is a light propagation law

    光的衍射理論是研究光學信息處理的物理基礎，實際上就是光的傳播規律。
  14. Our physical picture of guided light propagation is that of light traveling in zigzag fashion through the film

    導波光的傳播的物理圖象就是光按z字形方式通過薄膜傳輸。
  15. Hi this part, we analyze the feature showed in the light propagation process, contrast with the wavelet transform, they have much similarity

    文章具體分析了光的傳播過程中所表現出來的特徵，與小波變換相比，具有相似性。
  16. 3. we study how to improve the pump efficiency in a double clad fiber laser. several traditional pumping methods are considered and the light propagation

    其中雙包層光纖的結構、內包層的形狀、泵浦光入纖方式等是這項技術的關鍵所在。
  17. This paper makes analysis and comparison of the symbolic rules in different optical books, and brings to light the internal relations and integrity of the superiorest symbolic rule with the law of light propagation and imaging

    本文對不同光學書上採用的符號法則進行了分析比較，揭示出了表觀上最優的符號法則與光的傳播及成象規律的內在聯系及統一性
  18. Firstly, in this paper the theory of light propagation and diffusion is introduced. the software of femlab based on finite element method is used to simulate the nir light fluence in the tissue, which is just the forward problem of optical ct

    本文首先介紹了光在組織中的傳輸及其擴散近似理論，並用基於有限元方法（ fem ）開發的femlab軟體模擬了光在生物組織中的分佈，此即光學ct的正向問題。
  19. Under the condition of the same total power, both large single beam and small multi - beam can enlarge the lateral area of the light propagation effectively, but the maximal light absorption rate increases for latter approach

    在總功率相同的情況下，使用單束大功率寬光源與多束功率較小的小光斑光源均能明顯地增大光的側向傳播距離，但使用多束功率較小的小光斑光輻照時生物組織中的最大光吸收率增大。
  20. The topic we have tackled are as the following, ( 1 ) numerical simulation for light propagation and visualization of light - field distribution of fresnal diffraction and fraunhofer diffraction with ( 2 ) computation and display of hologram by method of simulation - anneal ( 3 ) hologram computation of a point source based on method of interference hologram computation

    論文中具體完成了以下工作： 1 、對光的傳播特性進行了數值模擬，以可視化方式表現了菲涅耳衍射和夫瑯禾費衍射的光場分佈。 2 、用模擬退火演算法實現了全息圖的計算及顯示。 3 、在基於干涉全息圖的計算方法上，計算了一個點光源的干涉全息圖和相位分佈。
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