查询词典 wave propagation

Air shock wave; explosion; propagation rule

空气冲击波；爆炸；传播规律

Wave generation and propagation in coastal regions and harbours, and interaction with ships and structures.

用于分析在海湾和港口地区海浪的形成和传播，以及对船和构筑物的影响。

Originated from Maxwells theory and Drude model, we discussed the physical modelof surface plasmon wave and surface plasmon resonance under different conditions.Specially of metal thin-film structure, we study the propagation characteristic of SPWintensively, and carry out theoretical simulations according to ideal model and practicalmodel respectively under different thickness of the film and the wavelength of probe beam.

在理论上，首先从电磁场理论和Drude模型出发，讨论了在各种不同情况下的表面等离子体波的物理模型，并且进一步深入研究了表面等离子体波共振现象，特别针对金属薄膜结构下的表面等离子体波的传播特性进行讨论，对不同的膜厚和入射波长的情况对理想模型和有损模型分别进行了理论的模拟。

Because that the middle and upper atmosphere is a complex system of coupling between the dynamics, photochemistry and radiation, in this project, we mainl study the effects of the interaction between the dynamics, photochemistry and radiation on gravity waves propagation in the mesosphere and low thermosphere by using a photochemical-dynamical gravity wave model.

由于中高层大气是光化、辐射和动力相互作用的复杂系统，本项目集中探讨了光化和辐射所造成的非绝热过程对中高层和低热层大气重力波的影响，着重对中层顶区大气重力波不稳定机制以及光化-动力学耦合过程进行研究，并把计算结果与观测进行比较。

The result shows that the proposed N-shaped wave technical index for back-propagation neural networks model is remarkable than random forecasting.

由实证结果得知，以本研究所提出的N型波浪的物理力量结合倒传递类神经网路来预测涨股市走势，经过实验与统计分析，显著的大於随机预测的准确度和投资绩效。

This system ofcompatible electromagnetism of frequency spectrum has someimportant functions listed as follows:(1) Analysis disturbance of the same or adjacent frequencies (2) Analysis of performance of radio link (3) Analysis of intermodulation (4) Automatic selection of frequency(auxiliary assignment of frequency)(5) Prediction of region of radio field intensity (6) Harmonization of frequency border (7) Analysis and design the system of microwave and satellite earth station.(8) Generate photographs This paper realizes the function of harmonization analysis ofthe system of microwave and satellite earth station. The concretework includes:(1) Based on the propagation model of radio wave,computing the absorption loss of atmosphere of microwavecommunication system and its fading, simulating the receivingvoltage and realizing the computation of disturbance andharmonization between microwave station and earth station.

频谱电磁兼容分析系统主要实现以下几个功能：⑴同、邻频干扰分析⑵无线链路性能分析⑶互调分析⑷频率自动选择⑸场强覆盖预测⑹边界协调⑺微波与卫星地球站系统设计和干扰协调分析⑻图形制作功能本文做为全省建设的电磁兼容分析系统的一部分，实现了微波站与地球站干扰协调分析这一功能，具体有：⑴以无线电波自由空间传播为模型，对微波通信系统的大气吸收损耗和衰落储备量进行了计算、对接收电平进行了模拟仿真，实现了微波- I -吉林大学硕士学位论文 Abstract站与地球站之间的干扰与协调计算。

In this paper, on the basis of geologic model, the propagation model of Rayleigh wave is deduced, which is caused by vibration point source and propagates in multi-layer of media.

该文根据地质模型假设，推导出多层介质条件下由点震源的作用在介质中引起的瑞雷波的传播模型，并用此模型对不同目标运动时所产生的瑞雷波信号加以预测。

The EIM was introduced at first. By solving the scalar wave equation within cladding of TIR-PCF, the fundamental space-filling mode and the effective index of the cladding were calculated. The logical effective radius was selected, and the propagation properties of TIR-PCF were discussed with the classical theory of step-index fiber.

深入研究了有效折射率模型的构造，通过求解标量波动方程得到了光子晶体光纤包层基空间填充模，得出光子晶体光纤的包层有效折射率；选择了较合理的有效半径，利用经典的阶跃光纤理论来研究光子晶体光纤的传输特性。

The approximate stochastic solution of the plane wave and the propagation behaviors are obtained by means of stochastic functional approach.

假设二维随机介质具有各向同性窄带高斯谱，运用随机泛函理论给出了二维介质中随机平面驻波的解析近似解及其幅度和相位的定量统计特性。

In order to research the decay laws of pressure wave and positive pressure actuation duration with the increasing propagation distance under the repeated penetration and explosion of conventional weapons in rock, the tests with varying scale charge and scale distance of the first drilled explosion and the repeated drilled explosion are completed.

为探索常规武器重复打击下岩石介质中压力波及正压作用时间随传播距离的增加而衰减的规律，进行岩石介质中不同比例装约和比例距离的一次钻孔爆炸和重复钻孔爆炸试验。

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。