查询词典 wave propagation

Effect of biasing electric field on the propagation behavior of Lamb wave in a piezoelectric plate.

由于板结构的对称性，板中存在关于中心平面对称和反对称的多阶模态。

When sound wave irradiates suspension layer, there is propagation attenuation in the layer besides reflection and transmission in the interface.

声波照射到悬浮层上，除界面处产生反射和透射外，在层中传播还会产生衰减。

The propagation characteristic of stress wave in perfect piles with the influence of pile material damping and the soil damping , in different kinds of defect piles and several liable misjudging situations are briefly simulated .

主要模拟了应力波在完整桩中存在桩身材料阻尼和土阻力影响时的传播特性、在各种不同类型的缺陷桩中的传播特性及几种易发生误判的情况，结合工程实际对各种不同的情况进行分析总结。

In present work the propagation of solitary wave in a pressurized fluid-filled elastic tube is studied.

研究了内充预压流体的弹性管中孤立波的传播。

The optical soliton propagation in monomode optical fibres with third-order dispersion is reinvestigated by using variational method. The evolution equations for optical soliton parameters are found, and self-wave-peak shift phenomena is explained quantitatively.

用变分法重新研究了单模光纤中的三阶色散对光孤子传输的影响，找到了光孤子参数的演化方程组，定量地解释了光孤子的自波峰漂移现象。

In order to find out how the branch structure affected the characteristic of shockwave propagation, LS-DYNA software was used to compute, and simulate certain shockwave propagating through the branch tunnels with different angle, and the overpressure/momentum bench mark to measure "plane wave" was proposed.

为了研究几何分叉结构对冲击波传播特性的影响，利用LS-DYNA三维数值模拟计算程序，对同一弱冲击波通过不同角度的两向分叉巷道时传播、衰减的情况行了数值模拟，并提出了超压／冲量准则来衡量&平面波&。

To match the boundary conditions, the modified Bessel functions are expanded to the planar wave in the interface. Then the eigenvalue equations of different polarizations are obtained by scalar approximation. At last, the relations between propagation losses and the states of polarizations, the geometric structures of the fiber, the refractive index and thickness of the polymer are calculated.

论文首先给出其等效折射率数学模型，在纤芯和包层中，光场用贝塞尔函数及虚宗量贝塞尔函数的求和表示，在聚合物和金属中用指数函数的求和表示，交界面上采用将虚宗量贝塞尔函数用平面波展开的方法匹配边界条件，然后利用标量近似求出极化D型光纤不同偏振态光场模式的本征值方程，最后通过数值计算得到光纤的传输损耗与抛磨平面和纤芯之间的距离，聚合物粘接材料的折射率和厚度，以及偏振态之间的关系。

Based on finite difference method coupled with the famous elastic-plastic cap model of rock, numerical simulation and analyses for the propagation and evolution mechanism of 1 D detonated wave are done.

岩石爆轰波的传播、演化过程是极其复杂的，其影响因素较多，如地形、地质条件以及物理力学参数、爆破的种类和方法、爆源的大小和形状等。

In order to study the generation and propagation characteristics of laser-generated Lamb wave in a solid plate, this paper presents the fiber-coupled optical deflection method to detect and to further discuss the detection principle in detail.

为研究板材中Lamb波的产生和传播特性，该文提出了采用光纤耦合反射式光束偏转技术进行探测的方法，讨论了这一测试方法对应的原理。

An investigation of propagation of hydrogen-oxygen mixture's detonation wave entering an abrupt expansion pipe was carried out experimentally and numerically.

对爆轰波进入不可燃突扩管道后的传播规律及压力分布进行实验研究、数值模拟和理论分析。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。