模方程 meaning in English
modular equation
Examples
- We begin with the maxwell - field equations , deduce the wave - propagation equations , and then analyze the characteristics of guided modes in optical fiber . based on these , we derive the coupled - mode equations that describe the interaction between the modes
从光纤中的麦克斯韦方程组出发，首先推导出描述光在光纤传播的波动方程，进而分析光纤中模式特性，并在此基础上，严格推导出描述模式耦合的耦合模方程。 - 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
首先从耦合模理论出发，结合线性啁啾moir光纤光栅的结构特性，建立了分析线性啁啾moir光纤光栅的耦合模方程，通过数值求解耦合模方程，研究了线性啁啾moir光纤光栅的光谱特性和时延特性。 - In the beginning , the development history and the current development of the technique of fiber detection are introduced briefly . then , discussed in detail are strong coupling theory concerning the fbt coupler and the weak coupling theory concerning the hf acid etching and the side - polishing coupler . from the analysis of fiber coupling equations , the solution of the equation and the formula of the coupling coefficient are derived
本文首先概述了光纤窃听技术的发展历程和现状,有针对性地分析了关于光纤窃听技术中的光纤耦合问题,并详细介绍了用于熔融拉锥耦合器的强耦合理论和用于氢氟酸腐蚀与边研磨光纤耦合器的弱耦合理论;分析了耦合模方程,得出了耦合模方程的形式解,推导出耦合系数的计算公式。 - Then we deduce the couple - mode equations that describe the mode coupling behaviors in this kind of gratings . based on this , we study the photosensitive inner cladding ' s influence on the core - mode - core - mode coupling and the core - mode - cladding - mode coupling in this kind of grating . a fiber bragg grating was experimentally fabricated with this kind of photosensitive fiber
然后以第二章给出的耦合模理论为基础，结合用带光敏内包层的包层模抑制光纤的结构特性，推导出用这种光纤制作的光纤布拉格光栅的耦合系数和耦合模方程。