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- axial propagation wave number 轴向传播波数
- Attenuation Constant For a particular propagation mode in an optical fiber, the real part of the axial propagation constant. 衰减常数光纤中的一种特殊的传播方式,轴向传播常数的实际部分。
- There is an indefiniteness in the wave number that is related to the finite length of the train. 由于波到的长度是有限的，因此相应地在波数上存在着不确定性。
- The imaginary component of Bloch wave number can serve as a measure of the localization degree of the surface electron states. 表面电子态的局域程度可以用布洛赫波数虚部来表征。
- The critical wave number and critical wave velocity increase under the cocurrent shear and decrease under countercurrent shear. 正向 剪切力使临界波数和临界波速增大，反向剪切力使其减小；
- The R of the transversely isotropic matrix model is larger than isotropic model if the final wave number of the two model are the same. 当最终的波数相同时，介质在振幅加强方向弹性模数减弱的情形所得到的R值，会比等向性材料的情形所得到的R值高。
- This paper build an one dimensional axial propagating model for Helmholtz resonator, and the noise eliminating mechanism has been revealed. 建立了共振腔型消声器一维轴向声传播模型，揭示了圆形旁支型共振进气消声器的消声机理。
- Our results also indicate that the imaginary component of Bloch wave number can serve as a measure of the localization degree of the surface electron states. 此外 ;研究表明布洛赫波数的虚部可以作为一个衡量表面电子态局域程度的物理量 .
- Based on the theory of Zeeman effect and free spectral range of Fabry-Parot etalon, asimple method for measuring wave number defference and specific charge is designed. 根据原子光谱线在外磁场中的分裂特点和法布里-珀罗标准具的自由光谱范围，导出了一种在塞曼效应实验中测量分裂谱线波数差和电子荷质比的简单方法，并给出了应用实例。
- The law of the axial propagated blast of industrial electric detonator is studied and effective measures for improving the safety of axial propagated blast are explored. 研究了工业电雷管的轴向殉爆规律,探索了提高轴向殉爆安全性的有效措施。
- The calculations show that in the low wave number band, the outer surface is stable, while the feedthrough growth on the inner surface is rapid, resulting in the observed pha. 利用小扰动分析法,导出不可压缩球壳结构的馈通增长方程,数值模拟了高压气体驱动外表面有初始扰动的明胶球壳的瑞利泰勒不稳定性模型。
- Computational examples are presented, and the influence of wave number and wave incidence angle on dynamic stress concentration factor (DSCF) is discussed. 通过算例给出了浅埋圆孔动应力与入射波数、入射波角度的变化规律。
- Summing up time harmonic propagated waves of all frequency gives the pulse propagation along the line. 加总所有频率成份弦波之时域传播即得时域脉波之传播。
- The numerical simulation shows that the modal wave number tomography can be used to invese the average SSP of the cold water mass. Therefore,it shows potential for monitoring ocean internal structure which is range dependent. 数值模拟结果表明 ,简正波波数层析可以用于反演平均声速剖面 ,特别在监测与距离有关海洋环境的声速结构方面大有潜力。
- It is also found that there are multiple Solutions of the propagating mode with imaginary transverse wave number for certain component parameters, and the mode has the high-frequency cutoff. 此外，还发现当分量参数满足一定条件时，出现了多个虚横波数的传输模式解，并且该模式存在高频截止。
- The cutoff wave numbers and distribution of field components of the high-order modes are calculated by those formulas. 根据这些公式可求出各模式的截止波数和相应的场分布。
- Based on the scalar diffraction theory and the boundary condition of Rayleigh-Sommerfeld, the accurate on-axis propagating wave function of plane wave diffracted by small circular band is obtained by solving the first integral of Rayleigh-Sommerfeld. 摘要从标量衍射理论出发，采用瑞利－索末菲衍射边界条件，通过求解第一类瑞利－索末菲衍射积分得到平面波经圆环衍射后轴上的波函数，进而分析轴上的光强特性以及光强极值数量、位置和大小与衍射圆环内外孔径的关系。
- Parametric biquadratic equation whose roots are characteristic wave numbers is obtained after setting the determinant of eigen matrix to zero. 特征波数的计算涉及到张量运算、矩阵运算、公式化简等。
- English: 239. Least Fig. 3 be interpreted as the signature of zonally propagating waves, it is worth recalling what is said in the preceding chapter. 中文:为了使图3不被解释成纬向传播的波的特征，有必要回顾一下前一章所论述的。
- Then at each of a set of discrete spatial wave numbers, an isoparametric finite-element method is used to obtain the total filed directly. 然后对目标区域进行剖分，针对每一个波数，采用等参有限元法得到离散化电磁场方程，求解方程获得走向方向上的电磁场响应；
