• First, the relation between the dispersion of the fiber and the propagation constant and equivalent refractive index is presented.

    文章先给出了光纤色散光纤传播常数等效折射率关系

    dict.cnki.net

  • The normalized propagation constant, which determines the number of the modes and mode cutoff is obtained for a PCF: with a certain structure parameters.

    对于给定结构PCF,计算得到决定模式数量模式截止归一化传播常数

    www.dictall.com

  • Then, the dispersion of the multi-clad fiber is obtained by solving the propagation constant and the equivalent refractive index of single-clad fiber which is equal to multi-clad fiber.

    通过将多包层光纤等效光纤,求等效阶跃光纤传播常数等效折射率求得多包层光纤色散

    dict.cnki.net

  • The propagation constant increases with decreasing slab thickness for the first-order oscillating mode, which is different from that in traditional metal-cladding waveguides.

    一阶振荡传播常数随着平板厚度减小而增加,此性质与传统的金属包波导不同

    www.opticsjournal.net

  • The values of k, chain propagation rate constant(kp) and chain transfer rate constant(Ktr) increased with the increase of polymerization temperature.

    增长速率常数转移速率常数均随聚合温度升高增大

    dict.cnki.net

  • The metastable propagation rate of crack is approximately a constant in a certain size range.

    一定尺寸范围内,裂纹扩展速率近似常数

    dict.cnki.net

  • By use of the angular-spectrum analysis and the Fourier transform method, a correction method is obtained to describe the propagation of few-cycle pulsed beam with constant beam waist.

    利用角谱分析傅里叶变换方法得到一种描述几个周期宽度脉冲光束传输脉冲修正方法

    dict.cnki.net

  • If the time harmonic source is assumed to be constant voltage, the summed pulse propagation is the impulse response along the line.

    各频率成份电源电压,则所得时域波即脉冲电压在传输线上之脉冲响应

    www.dictall.com

  • By using the concept of spatially induced group velocity dispersion, the propagation of Bessel-like pulsed beam which is constant beam waist in free space is studied.

    利用空间诱导色散概念,从理论上研究了等束宽度类贝塞尔脉冲光束自由空间传输性质。

    www.dictall.com

  • On constant frequency ratio, loading ratio has an importance influence on the initiation and propagation of fatigue crack under double frequency complex loading.

    频率确定条件载荷影响双频疲劳裂纹萌生扩展一个重要因素。

    epub.cnki.net

  • In this dissertation, based on analysis for the combustion in a constant volume combustion bomb, the parameters such as combustion delay period, combustion-flame propagation have been investigated.

    对定容燃烧弹火焰进行拍摄分析基础研究生物添加剂对,火焰传播影响

    dict.cnki.net

  • Propagation characteristic of UHF radio wave in rectangle, circle and arched tunnels is studied in this paper and the computing equation for attenuation constant is deduced.

    研究UHF频段无线电波矩形圆形拱形隧道中的传播特性推导了衰减常数计算公式

    www.dictall.com

  • Propagation characteristic of UHF radio wave in rectangle, circle and arched tunnels is studied in this paper and the computing equation for attenuation constant is deduced.

    研究UHF频段无线电波矩形圆形拱形隧道中的传播特性推导了衰减常数计算公式

    www.dictall.com

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