传播常数的英文

• propagation coefficient
• propagation constant
• propagation ratio

• "传播"英文翻译    disseminate; propagate; spre ...
• "常数"英文翻译    constant
• "复传播常数" 英文翻译 :    complex propagation constant; constant
• "声传播常数" 英文翻译 :    acoustic propagation constant; acoustical propagation constant; acoustical propagationconstant; sound propagation constant
• "轴传播常数" 英文翻译 :    axial propagation constant
• "错合传播常数" 英文翻译 :    complex propagation constant
• "横向传播常数" 英文翻译 :    transverse redundancy check
• "轴向传播常数" 英文翻译 :    axial propagation constant
• "半导体传播常数" 英文翻译 :    propagation constant of a semiconductor
• "传播常量" 英文翻译 :    propagation constant
• "常数传播" 英文翻译 :    constant broadcast; constantbroadcast
• "传播" 英文翻译 :    1.(广泛散布) disseminate; propagate; spread; (over); diffuse; transmit; run 传播马克思列宁主义 propagate [disseminate] marxism-leninism; 传播知识 spread knowledge; 制止病菌传播 check the spread of germs; 动植物病害传播极快。 animal and vegetable pests propagate with extreme rapidity. 疟蚊传播疟疾。 anopheles mosquitos transmit malaria. 消息象野火般迅速传播开来。 the news spread like wild-fire. 印刷术的发明有助于知识的传播。 the invention of printing helped the diffusion of learning.2.[物理学] propagation; transmission; transmitting; travel 散射传播 scatter propagation; 直线传播 rectilinear propagation
• "常数" 英文翻译 :    [数学] constant
• "波传播" 英文翻译 :    wave propagation◇波传播方向 wave line
• "传播,传达" 英文翻译 :    transmit
• "传播,扩大" 英文翻译 :    spread
• "传播,流传" 英文翻译 :    circulate
• "传播,散布" 英文翻译 :    disseminate
• "传播，交流" 英文翻译 :    communicate
• "传播，宣传" 英文翻译 :    propagation
• "传播；转达" 英文翻译 :    convey v. make （idea， feeling， etc.） known
• "传播比" 英文翻译 :    propagation ratio
• "传播波" 英文翻译 :    propagating wave; propagation wave
• "传播部" 英文翻译 :    communications board
• "传播到" 英文翻译 :    spread to

• is the plane-wave propagation factor in the uppermost medium and w is the propagation factor of the surface wave.
  是最上部介质中的平面波传播常数，而w是表面波传因子。
• < uk > is the plane - wave propagation factor in the uppermost medium and w is the propagation factor of the surface wave . < / uk >
  < uk >是最上部介质中的平面波传播常数，而w是表面波传因子。 < / uk >
• After simulation , it becomes more explicit on physical concept for solution process with the introduction of the wavenumber , and also more concise on solution
  经过仿真计算，传播常数的引入不仅使问题的求解过程从物理概念上变得非常清晰，而且求解也更加简明。
• This antenna is a transmission line structure with propagation constant increasing from negative to positive values , providing the backward to forward scanning capability as frequency is increasing
  这种天线基于传输线结构，其传播常数由负值增加到正值，显现出一种随频率增加而具有的由后向辐射变为前向辐射的特性。
• Then , according to waveguide theory , planar waveguide is analyzed . the main parameters , such as spread constant , decay coefficient , cut - off wavelength and so on , are deduced from dispersion formula of planar waveguide . the distributions of electromagnetic wave in the planar waveguide are obtained also
  其次根据波导理论分析了平面波导，由平面波导的色散方程推导出了导模的传播常数、衰减系数、截止波长等特征参数以及波导中光波电磁场的分布。
• In an oil well , the casing is a steel circular pipe , and it would confine and guide the electromagnetic wave propagating ; and the electric properties of the fluid media would determine the propagation factor of the guided wave and affect the distribution state of the electromagnetic field
  油井内的套管是钢铁质圆管，对电磁波的传播将产生限制和引导作用；油井内流体介质的电性质将决定导波的传播常数，影响电磁场在井的轴向上和横向上的分布状态和波的传播特性。
• As beams transmit mostly in the core of waveguide , also the changes of thickness and refractive index of the sample will quickly and sensitively affect the propagation constant , the information of sample can be obtained through monitoring the propagation constant . 4 . the periodic anti - resonant reflecting layers are presented
  由于光束集中在作为波导层的待测物之中传输,而由待测物质的厚度、折射率等参数带来的微小变化均会引起导模传播常数的变化,通过监测传播常数的变化即可得到待测物质的信息。
• The application of transverse resonance theory is firstly extended further from plane homogeneous medium to the inhomogeneous spatial region by primarily combining the current martcatili method . then the simplex method is used to calculate the source point " s best position , frequency and the correspond wavenumber of the region
  重点结合已有的marcatili法，首次将横向谐振法从平面均匀分层介质中的应用进一步延伸到模拟地壳波导的三维非均匀空间区域中，再利用单纯形法，确定源点在该区域的最佳位置、最佳频率和对应的传播常数。
• The physical meaning for each of the term in the coupling coefficient is stated . in particular , we advance firstly ( as far as our knowledge ) , that the birefringence can cause additional coupling for the directional coupler . then , taking the ti - diffused linbo3 directional coupler and the ti - diffused linbo3 with gradient refractive index for examples , we make the numerical simulation for the coupling coefficient or the propagation constant , which prove that the birefringence has played a crucial effect on the propagation constant and the coupling between the modes that we can not neglect
  第二，我们推导出了弱导近似下各向异性光波导在任意微扰下的非正交耦合模理论，得到了物理意义鲜明的耦合波方程和耦合系数表达式，指明了耦合系数所包含的四项各自的物理意义及在不同条件下的取舍，首次提出在方向耦合器中双折射将引起附加的耦合，并以钛扩散铌酸锂方向耦合器和折射率渐变分布的钛扩散铌酸锂矩形波导为例对耦合系数进行了数值模拟，充分体现了双折射项对传播常数的影响。
• To illustrate the superiority of this type of transition , the author adapted the local normal mode ( lnm ) based on couple - mode theory to explain the coupling between two lowest order modes along the transition . for the two important parameters , propagation constants difference between the two modes apy and mode coupling coefficient cy , which denoting power coupling between lnms , the approximation expressions using structure parameters were worked out . then the author compared three typical different transitions according to the demanding of power coupling , at last concluded that the parabolic - type transition can transport the light in shortest length with lowest loss
  对于表征局部标准模之间功率耦合的两个重要的参数_ ( ij ) (模式传播常数差)和c _ ( ij ) (模式耦合系数) ，推导了用器件结构参数表达的近似公式，然后根据功率耦合的需求，在常见的三种不同轮廓的过渡区之间进行了比较，得出了抛物形轮廓过渡区能够使光束在最短尺寸内以最低损耗通过波导的结论。