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- Plane wave source 平面波震源
- plane wave source imaging 面炮成像
- Keywords: acoustics, muffler, transfer matrix, plane wave. 关键词：声音、消音器、传输矩阵、平面波。
- Next, we use a magnetic current line source or electric dipole source in place of the plane wave to examine the coupling between the SPP and a point source. 接著我们把平面波改成用一个磁流线源或电偶极来等效一个发光波源，以模拟表面电浆波和波源之间的耦合现象。
- An eigenstate of momentum, on the other hand, has the form of a plane wave. 在其它方面一个动量特征态具有一平面波形。
- A special type of unsteady motions which bear a resemblance to plane wave solutions of the linear theory of elasticity can be constructed. 一种特殊类型的、和线性弹性理论中的平面波解有点相象的非稳态运动可以建立起来。
- When an inhomogeneous plane wave is introduced into a dense dielectric layer, it can bounce between the two boundaries. 把一非均匀平面波引进折射率较高的介质层时，它会在上下界面间来回地“弹”射。
- It is important to recall that a sound wave in a nonhomogeneously deformed material cannot be a plane wave. 重要的是要记得，非均匀变形材料中的声波不可能是平面波。
- Here is relative motion between wave source and observer in the Doppler effect. That makes observers feel the phenomenon of changing in frequency. 多普勒效应由于波源和观察者之间有相对运动,使观察者感到频率发生变化的现象。
- Keep in mind that an idealized monochromatic plane wave must be depicted as an infinite wave train. 要记住，一个理想的单色平面波应当表述为一个无限的波列。
- Uphole shooting is a mostly direct and effective method.Similarly, shear wave uphole shooting can be conducted using shear wave source. 微测井一直是解决纵波勘探表层问题最直接最有效的表层调查方法，同样利用横波震源，也可以进行横波微测井采集。
- The computational results are in accord with the results of plane wave Born Approximation. 计算结果与平面波玻恩近似结果符合得较好
- The disadvantages and improvements-to-be of the shockwave lithotripter are limited to its wave source and positioning system. 详细介绍了当今冲击波碎石机在波源和定位系统方面存在的缺陷及有待改进之处。
- If the wavefronts are parallel lines, the waves are called plane waves. 假如波前为一些互相平行的轮廓面，这波就叫平面波。
- This is equivalent to an angular distribution of constituent plane waves. 这等价于各种成分的平面波的角分布。
- The results show that acoustic wave in pipeline propagates as plane wave with little falloff. 研究结果表明，声波通过管道中介质以平面波传播且衰减较小；
- The square wave source is an impulse source in which digital technique is used.It has the advantages of rigid phase, high frequency stabilization and high antijamming. 方波电源是采用数字技术的脉冲电源,具有相位严格、频率稳定度高,抗干扰能力强等独特的优点。
- With plane wave method,it is proved that the 1D-USPC shares the same bandgap character. 利用平面波法证明了一维超声光子晶体具有一般一维周期层叠结构光子晶体的禁带特征。
- If the wavefronts are parellel lines, the waves are called plane waves. 假如波前为一些互相平行的轮廓面,这波就叫平面波。
- The bandgap structure of one-dimensional photonic crystal was calculated and derived with the plane wave method(PWM). 用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。
