time-harmonic wave

A fast rise time fiber optical pin has been developed for measuring shock wave velocity, flyer velocity etc in special environment.

为满足在特殊的环境条件下对冲击波速度、飞片速度等冲击波物理参数的精密测量要求，开发了一种快响应光纤探针技术。

Firstly, probing the medium with a time-harmonic homogeneous plane wave gives the Christoffel equation. Then the formulas for slowness and complex velocities of the longitudinal wave and the slow and quick shear waves may be obtained from Christoffel equation.

使用平面均匀简谐波的方法，得到了Christoffel方程，利用此方程推导出纵波及快、慢横波的慢度和复速度方程。

Under the condition of reasonable controlling on time of ignition of two level or multilevel spherical charge, the downgoing energy of seismic wave can be improved and the vibration of surface can be reduced.

在合理控制两级或多级球形装药起爆时间条件下，能提高地震波的下传能量，同时减少地表的振动。

The pulmonary valvular velocity time integral ( PVVTI) was obtained from the pulsed wave Doppler.

利用脉冲多普勒测量肺动脉瓣口血流流速时间积分（PVVTI）。

Measurement method of time jitter between pump laser pulse and RF wave by the charge change in photoinjector

光阴极微波电子枪中激光脉冲的时间抖动测量

A Fast Rise Time High Voltage Pulse Generator for Bounded-wave EMP Simulator

快前沿有界波电磁脉冲模拟器高压脉冲源

In addition, taking the single-pole and two-pole Debye model for example, the composite EM scattering from 1-D dispersive sea water and soil with and without a target are analyzed, and the results are also verified by those of the time-harmonic wave incidence. 5.

另外以单极和双极Debye模型为例，分析了一维色散海水、土壤及其与二维目标的复合电磁散射特性，并与时谐场源激励下的结果进行了验证。

To solve time-harmonic electromagnetic field, the cylindrical wave function expansion for vector potential is derived.

对于时谐电磁场, 推导出矢势的柱面波函数展开式.

Using dyadic method, non-homogeneous wave equations of time-harmonic field are solved directly, several examples are calculated.

运用并矢代数方法, 直接求解时谐电磁场的 非 齐次波动方程, 并给出应用实例.

The Helmholtz equation is an elliptic partial differential equation which is a time-harmonic solution of the wave equation. Obtaining an efficient and more accurate numerical solution for the Helmholtz equation has been the subject of many studies.

亥姆霍兹方程是一个波方程的时间调和解答，寻求高精度的数值解一直是计算力学界研究的主题。