查询词典 Rayleigh

Variations of attenuation coefficients with rain rate for MP and LP model are compared under Mie theory and Rayleigh approximation. The approach to the solution of the Fourier integral in closed form is adopted for pulse propagation through rain medium .

在此基础上应用傅立叶时域积分近似解的方法研究了毫米波段脉冲波通过雨介质时，脉冲畸变随频率、降雨率、传播距离及脉冲宽度变化的关系。

How to extract the accurate and reliable frequency disperse curve is one of the key issues for Rayleigh wave exploration technology.

如何提取准确可靠的频散曲线是瑞雷波勘探技术关键问题之一。

A new method has been used to analyze the fundamental mode of surface wave and its related phase velocity, by which the disperse phenomenon has also been studied.

给出了用离散土层法求Love波和Rayleigh波基础振型及其对应波速的方法（此法可用来分析表面波特性），并实例分析了表面波的频散现象。

The innovative points include of this dissertation is introducing the x-p transformation into transient Rayleigh wave method to improve the extracting effect of fundamental surface wave; utilizing several methods to suppress alias and leverage point effects to raise the signal-to-noise.

本文的主要创新点：在瞬态瑞雷面波资料处理过程中入τ-p正、反变换，提高了面波基波的提取效果；综合使用多种压制假频和端点效应的方法，提高了地震资料的信噪比。

With the combination of the physical model based on excavation roadway during gas explosion,the gaseous phase detonation parameters are deduced on the conditions of the known gas congestion position,volume and concentration.

结合所建立的掘进巷道瓦斯爆炸的物理模型，当已知瓦斯聚积位置、体积和浓度时，利用Hugoniot方程和Rayleigh方程推导出了瓦斯爆轰参数的公式。

The results are valid only for load with speed lower than Rayleigh wave velocity in ground.

以单个轮轴移动荷载为例，分析地基土单元的应力状态变化、主应力轴旋转以及荷载速度的影响。

In order to make the geological structure beneath the ground surface clear, Rayleigh wave exploration method are used more and more in engineering projectsrecent years.

本文首先分析了瑞雷波的频散特性，并介绍了瑞雷面波探测的两种方法。

This paper has described the authors experience acquired in applying the ground-penetrating radar, Rayleigh wave and DPT to examining weak groundsill in the subway tunnel,and also discussed the application conditions of these means as well as their merits and shortcoming.

介绍了在地铁隧道工程建设中使用探地雷达与瑞雷波法结合轻便动力触探技术检测软弱地基的经验和几点认识，并讨论了该勘察方法的应用条件和优缺点。

The main research contents are stated asfollow: 1. Simplified analysis method of space grids structuresDouble-layer space grids have been assumed as sandwich plate, and are analyzed bythe nontraditional theory of plate with consideration of shear deformation and threegeneralized displacements. Using the theory of energy variation, simplified methodsfor bending, stability and vibration analysis of double-layer space grids have been putforward based upon the idea of split rigidity. The formulas for calculating internalforces, displacements, critical load and natural frequency have been given out. Set thestable cables and bearing cables in hyperbolic paraboloid cable nets are all replaced bytruss-cable to form truss-cable nets structures. Natural vibration analysis method fortruss-cable nets structures has been put forward using the energy variation method andRayleigh method.

主要内容包括： 1、空间网格结构静动力简化分析方法把网架结构简化为夹层板，采用考虑剪切变形的具有三个广义位移的平板弯曲理论进行分析，基于分解刚度思想利用能量变分原理提出了网架结构弯曲、稳定与振动分析的简化计算方法，给出了位移、内力、屈曲临界荷载和固有频率的计算公式；将双曲抛物面索网中的稳定索与承重索均用劲性索代替形成劲性索网结构，基于能量变分法和Rayleigh法给出了劲性索网结构固有振动分析的简化计算公式。

The interaction of the Indophenol Blue with proteins in aqueous solution has been studied by optical absorption and Rayleigh Light Scattering spectra.

利用光吸收和共振光散射光谱研究了铝试剂与蛋白质在水溶液中的相互作用。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。