phase velocity

The frequency width of the fundamental wave depends primarily on the inner diameter of the spiral curve, and with the inner diameter fixed, the phase velocity of the fundamental wave can be adjusted by changing the spiral pitch.

基波的频带宽度主要决定于螺旋线的内径，在内径确定的情况下，可以通过改变螺距对基波的相速度大小进行调节；

Author suggests that it is necessary to design experiments to measure the phase velocity of de Broglie wave and to study the wave-particle duality deeply.

建议设计实验测量德布罗意波的相速度，深入研究波粒二象性。

This study applied the Split-Spectrum Processing ( SSP ) technique to measure the ultrasound phase velocity and BUA.

本计画主要研究利用所发展之 SSP 技术来量测超音波经过骨头之波衰减与速度散度之情形.

The slow phase velocity ( SPV) of intact side was larger than the affected, there was statistically significant difference in the 91 cases with unilateral caloric absent responses;

91例单侧无冷热反应者，向患侧之眼震慢相角速度（SPV）均小于健侧，t检验有统计学差异；

The effect of caloric test sequence on maxium slow-phase velocity

冷热刺激先后顺序对眼震最大慢相角速度的影响

the gaseous phase velocity flow field and the mass fraction of fuel evaporated are provided.

计算结果提供了不同转速下的气相速度场和燃料浓度场.

For decreasing the phase velocity further, the inner slotted rectangular waveguide grating slow wave structure is proposed, and is simulated by CST. The effect of physical dimensions on dispersion and coupling impedance is analyzed. 7.

为了进一步降低相速，研究了内开槽矩形波导栅慢波结构，用三维电磁模拟软件进行模拟，分析了结构尺寸对其色散特性和耦合阻抗的影响。

Probing the medium with a time harmonic homogeneous plane wave gives the Christoffel equation. Then the complex velocities for homogeneous viscoelastic waves are calculated from it, while the attenuation factor and phase velocity and quality factor are obtained from the complex velocity.

使用均匀平面简谐波分析方法研究其频散关系，得到Christoffel方程，进而获得均匀平面波的复速度、相速度、衰减系数和品质因子的表达式。

An inversion analysis in determining the phase velocity of TIDs based on radio astronomical observation

从射电天文观测数据反演电离层行扰的相速

Each small peak in the carrier would travel to the right with the usual phase velocity.

载波中的每个小峰都以通常的同相速度向右方运动.

Depending on the system parameters, either TE or TM surface modes have the time averaged Poynting vector directed opposite or same to the mode phase velocity.

TE表面模式或TM表面模式的时间平均坡印亭矢量与模式相速度的方向依赖于系统参数，或是相反或是相同。

The non-equilibrium flow characteristics of trans-critical carbon dioxide in the short tube are not obvious which could also be verified by small inter-phase velocity slip and temperature difference.

另外，汽液两相温度差异和速度滑移的分布计算结果也证实了短管内跨临界CO2流动的非平衡性并不显著。

And the phase velocity of fast wave will decrease exponentially with frequency.

快纵波的相速度随频率的增大以指数形式减小.

We use this differential operator for discussing Maxwell equations, in order to explain the phase velocity and speed of extraodinary ray in the anisotropism medium.

采用算子作用量符号，作用于麦克斯韦方程组，说明单色平面波在各向异性媒质中传播时相速与光线速度的问题。

Discussion on wave packet, group velocity and phase velocity in quantum mechanics

试论量子力学中的波包、群速度和相速度