Analysis of propagation constant of array waveguide
阵列波导传播常数的分析
The article discusses the transformation of elliptical section into circular one, and presents the propagation constant expressions.
先将椭圆形边界变为圆形边界,用分离变量法求出了金属覆盖层椭圆形截面光波导内的电磁场和传播常数表达式。
The transfer function method is applied to investigate on characteristic impedance and acoustic propagation constant of the regenerator in the acoustic-driven thermoacoustic apparatus.
针对本实验室一台声驱动热声系统 ,采用传递函数法研究声驱动系统中回热器的特征阻抗和传播常数。
A formula of the bending loss in negative dispersion optical fiber was presented through calculating the equivalent propagation constant of multi clad fiber.
采用等效传播常数法数值求解负色散波导光纤的弯曲损耗 ,通过将多包层光纤等效为阶跃光纤 ,求其等效阶跃光纤的传播常数和等效折射率 ,从而求得负色散波导光纤的弯曲损耗 。
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与光纤传播常数及等效折射率的关系。
Propagation Constants of Axisymmetric Modes in a Kerr Law Nonlinear Graded Index Optical Fiber
克尔型非线性梯度折射率光纤轴对称模的传播常数
Experimental Identifying on Characteristic Impedance and Propagation Constant of Thermoacoustic Regenerators at Without Temperature Gradient
无温度梯度条件下高频热声核的特征阻抗和传播常数实验辨识
For large wavelengths, the velocity is constant.
对于长波长的波，传播速度是常数。
The usual vehicles of dispersal are wind (anemochory), water (hydrochory) .
通常传播的媒介物是风（风播），水（水播）。
The usual vehicles of dispersal are wind, water and animals(zoochory).
通常传播的媒介物是风、水和动物（动物传播）。
Research on Communication Modality of Digital Broadcasting Auxiliary-picture in Television News;
电视新闻口播数码配图传播形式探究
From Object Communication to Figure Communication --The Network Used as the Calligraphy Communication;
从实物传播到数字传播——互联网与书法传播的革命
Virus spread within a field depends on the number of virus sources, the number of healthy plants.
田内病毒传播依据病毒源数目，健株数。
Ethics Construction of Minorities Intercultural Communication--Taking Xinjiang Minorities Intercultural Communication As an Example
少数民族跨文化传播的伦理构建——以新疆少数民族跨文化传播为例
Most new viruses never spread beyond a few machines.
多数病毒只能在极小的范围内传播。
The problem is that digital transmission is still only experimental.
问题是数字传播还只是在试验阶段。
The advantage of digital transmission is error reduction.
数字传播的优势是错误减少了。
NUMERICAL ANALYSES OF STRESS WAVE PROPAGATION IN A VARIABLE SECTION BAR
应力波在变截面杆中传播的数值分析
Numerical Investigations of Flame Propagating in Micro Pipes;
微细圆管内火焰传播过程的数值研究
Test and Analysis of Vibration Propagation Caused by the Subway Train;
地铁振动传播的现场测试与数值分析
Compare of the Numerical Models on Wave Propagation in Nearshore Areas;
近岸波浪传播变形数值计算方法比较
Numerically Simulate the Shock Wave by NND Scheme;
NND格式数值模拟ESWL中激波的传播