By using effective index and WKB methods, mode characteristics of rib silicon waveguides with trapezoidal cross section are analysed. Equations and cutoff equations of TE modes and TM modes are derived respectively.
本文运用有效折射率法和WKB法对具有梯形状截面的硅脊形波导的模式特性作了分析,导出了TE模和TM模的模方程以及截止方程,并运用一阶微扰法对因波导顶部注入载流子而引起的模式调制的大小作了数值估计。
参考来源 - 期刊学术社区The dispersion relation and the mode characteristics of the second order elementary modes were discussed numerically for the a-axis lithium niobate single crystal fiber with applied electrical field.
数值模拟和讨论了外加电场后a轴向铌酸锂单晶光纤传输二阶基元模式时的色散关系和模式特征。
参考来源 - a轴向单晶光纤模式传输特性的理论研究First,through mathematical analysis,wo can obtained the mode characteristics (natural frequencies,mode quality, mode damping, etc. )in the free vibration, and exciting force in thecorresponding obtained under forced vibration response.
一是通过数学分析，求出在自由振动情况下的模态特性(固有频率、模态质量、模态阻尼等)，并在激振力的作用下求出相应的强迫振动的响应特性。
参考来源 - 叶片结构模态特性测量中声压方法的分析和应用·2,447,543篇论文数据，部分数据来源于NoteExpress
The mode characteristics of two hexagonal resonators are also analyzed, and the ideas of filter design are given.
同时分析了两个六角形谐振器的模式特征，给出了其设计滤波器的思路。
The mode superposition method that was often used in the analysis of wind induced vibration in engineering had great relevance to the mode characteristics of roofs.
工程中常采用的风激振动的振型分解法与屋盖的振型特性密切相关。
The mode characteristics and the pulse compression phenomenon of backward stimulated Brillouin scattering (SBS) in CS2 light waveguide of different sizes are investigated.
研究了在各种CS_2介质波导中受激布里渊后向散射的模式特性以及脉宽压缩现象。
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