查询词典 wave propagation

Anomalous propagation of electromagnetic wave results in more flexible use of weapon system.

摘要电磁波异常传播，使武器装备的作战使用更加灵活机动。

The average propagation velocity of the laser-induced shock wave in aluminum is 6.38×10 3m/s.

激光引发的冲击波峰值压力在铝中的衰减规律是指数型的。

The average propagation velocity of the laser-induced shock wave in stainless steel was 5.72×10^3m/s.

激光冲击波在不锈钢材料中的平均传播速度为5.72×10^3m/s，与声波纵波的传播速度一致。

The finite-difference time-domain method is adopted to simulate the propagation of the optical wave in the beam splitter.

采用时域有限差分法模拟了光波在分束器中的传播行为，并计算了分束器的传输效率。

A new method for computing propagation constants and amplitudes of creeping wave modes on an infinite conducting circular cylinder is presented.

本文提出了一种计算金属圆柱表面爬行波电流传播常数和幅度的新方法。

Using plane wave circular aperture diffraction as an example, this researchstudied the changes ofηwith diameter of diffraction holeρ_0, propagation distance zand light spot radius r and found how to obtain the largest energy concentration degree by controlling these three factors.

本课题以平面波圆孔衍射为例，研究了光束能量集中度随衍射孔径ρ_0、传播距离z和光斑半径r的变化规律，并指出如何控制这三个因素来获得光束的最大能量集中度。

The Green's tensor in frequency domain for cylindrical layered media was deduced from the 3-D Green dyadic for homogeneous media according to the propagation laws of waves in layered media,then the Green's tensor in spatial domain can be achieved with Fourier transformation ,which is a singular integral of wave-number.

根据分层介质中波的传播规律，由均匀介质中的三维张量格林函数得到频率域中柱状分层介质的张量格林函数表达式，经过傅立叶变换，可以得到空间域的格林函数，它是一个关于波数的奇异积分。

The Green's tensor in frequency domain for cylindrical layered media was deduced from the3-D Green dyadic for homogeneous media according to the propagation laws of waves in layered media,then the Green's tensor in spatial domain can be achieved with Fourier transformation,which is a singular integral of wave-number.

摘要根据分层介质中波的传播规律，由均匀介质中的三维张量格林函数得到频率域中柱状分层介质的张量格林函数表达式，经过傅立叶变换，可以得到空间域的格林函数，它是一个关于波数的奇异积分。

In order to simulate the propagation of cylindrical wave in space, the perfect Boundary connecting condition of total field and scattering field is proposed.

为了模拟柱面波在空间的传播，给出了在柱坐标系下完整的总场和散射场的连接边界条件。

Finally, We also study coupling effects between two cylindrical leaky wave antennas and learn the effects on propagation constants.

最后，我们也探讨圆柱型泄漏波天线之间的耦合效应对传播常数的影响

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。