频散

结果显示铁镍纤维具有较高的磁导率和较好的频散特性。

The result shows that Fe_xNi_ ( 100-x ) fibre possesses high permeability and excellent frequency dispersion .

在瑞雷波测试中正确稳定的提取频散曲线是后期反演工作的基础。

In the Rayleigh wave test , extracting the reliable and accurate frequency dispersion curve is the base of the inversion work .

作为算例，本文给出了局部隆起或凹陷地形中Love波的频散曲线，并与经典结果进行了比较。

The dispersive curves of Love wave in ridge or canyon topography are given .

Love波在电磁弹性多层结构中的频散特性

Love wave propagation in magneto-electro-elastic multilayered structures

我国东南地区πg波的频散特征

Dispersion characteristic of the π _ g wave in southeastern China

在局部隆起或凹陷地形中，Love波的频散不但与频率有关，而且受局部地形形状的影响。

The dispersion of Love wave is found to vary along with the local topography as well as the frequency .

1999年辽宁岫岩5.4级地震前后P波衰减频散特征

Variation of Q value before and after the 1999 xiuyan , Liaoning province , m5.4 earthquake deduced from P wave dispersion analysis

讨论了Love波的波速范围、Love波的频散和衰减特性以及Love波的位移分布。

The range of Love wave speed , the dispersion and attenuation of Love waves are discussed . The displacements are presented .

有不同附加层时Rayleigh波频散方程用广义Rayleigh波测量压电薄膜结构的初应力

Generalized Rayleigh Wave for Measuring Initial Stress in Layered Piezoelectric Structure

三维频散介质中地质雷达信号的FDTD数值模拟

FDTD Simulation of Ground Penetrating Radar Signal in 3-Dimensional Dispersive Medium

并在浮频率N为常数时，求得非传统地转近似条件下的海洋内波频散关系。上述得到的方程退化后与无流条件方程一致，进而验证了方程的正确性。

At the same time , dispersion relation on oceanic internal wave : obtained under the non-traditional approximation when the buoyancy frequency N is constant .

基于Lamb波频散特性的声发射源平面定位新方法

New Methods of Planar Location of Acoustic Emission Source Based on the Dispersive Characteristics of Lamb Wave

通过Fourier分析法评估了这些迎风偏斜格式的耗散误差与频散误差。

The dispersion and dissipation errors of upwind-biased finite difference schemes are assessed and compared by means of a Fourier analysis of the difference schemes .

从理论上分析了板中Lamb波信号的传播特性，并给出Lamb波在板中传播的频散方程。

The propagation characteristics of Lamb waves in the elastic plate are analyzed theoretically and their dispersion equations are presented .

因此，岩石电阻率频散性影响着阿尔奇参数的变化。均匀半空间长偏移距TEM法全区视电阻率的数值计算方法

So rock resistivity dispersion has a bearing on the variation of the parameters of Archie equation . Algorithm for the All-Time Apparent Resistivity of LOTEM Method

F-K域三层对称模型洛夫型导波频散分析

F-K dispersion analysis of Love guided waves in three layered symmetry model

推导出二层模式下，内波KdV方程的频散关系；

The dispersion relation of the nonlinear KdV equation is drawn under the two layers model .

比较氧化锌多层薄膜结构的声表面波频散曲线，ZnO薄膜声表面滤波器受膜厚和衬底材料的影响较大。

To investigate the SAW properties of the ZnO multi layer structure approximatively , the theoretic frequency dispersion curves of SAW for ZnO material on different substrates are studied .

考虑频散介质的电磁波传播，引入随频率变化的电位移矢量D，并对电场强度E和电位移D进行标准化。

To study propagation characteristic of radar wave in a dispersive medium , frequency - dependent flux density D was introduced , and electromagnetic field E and flux density D were norma - lized .

表征ULSI低介电常数互连材料机械特性的表面波频散特性

Dispersive Characteristics of Surface Acoustic Waves for Measuring Mechanical Properties of Low-k Dielectrics Used in ULSI

研究了先进ULSI互连布线系统中广泛存在的3种分层薄膜结构上表面波的频散特性。

The dispersive characteristics of three typical cases of two-layered structure in ULSI interconnect are investigated .

同时观测FCT方法压制数值频散与PML完全匹配层吸收边界反射的效果。

Both methods suppress the observed numerical dispersion and the perfectly matched layer absorbing boundary reflection effect .

本文主要研究了主动结构健康监测中所使用的窄带Lamb波信号在薄板中的传播，对其频散特性进行建模。

Choosing narrowband Lamb waves as the research objects , the dispersive curves of Lamb waves used in active structural health monitoring were mainly discussed in this thesis .

渐近分析与数值考察都表明，井径r1→∞时，柱面Love波频散方程趋向平面双层半空间的Love波方程，柱面Love波的截止频率趋于零。

The asymptotic expression of dispersion equation of cylindrical Love waves as well radius r 1 →∞ consistently tends to the dispersion equation in the horizontal half space case , and cut off frequency tends to zero .

通过数值计算考察了柱面Love波的频散特性和激发强度，发现最低阶柱面Love波具有截止频率，这与平面半空间双层弹性介质模型下的Love波无截止频率的特征不同。

Dispersion and excitation of cylindrical Love waves are investigated by numerical calculation . It is discovered that the lowest order cylindrical Love waves have cut off frequency , which differs from Love waves in half space with horizontally double layered elastic media .

用Fourier方法分析了格式Ⅰ，Ⅱ和Ⅲ的数值耗散和数值频散。

The stability of the schemes I and IV are obtained by employing linearized stability method . Both the numerical dissipation and the numerical dispersion for scheme I , II and III are analyzed by Fourier method .

基于两层半海洋模式，导出了北太平洋副热带海域季节内Rossby长波的频散关系和对应的斜压不稳定判据，发现季节内Rossby长波在副热带海区的加强机制可能是斜压不稳定。

Based on a two and half layer ocean model the long Rossby wave dispersion relation and the corresponding baroclinic instability criterion are derived .

实验结果说明：弹性波速度VP，VS和杨氏模量E随温度的升高先下降而后升高，随频率对数的增高而增高，具有频散效应；

The results indicate that elastic wave velocities VP , VS and Youngs modulus E of sandstones are all decreased and then increased with temperature , and they display strong dispersion effect with frequency .

由于地球表面介质的非完全弹性，致使在其中传播的瑞雷波速度随频率的变化而变化，这种现象被称为瑞雷波（Rayleighwave）的频散现象。

Because of the no complete flexibility of the earth 's surface medium , the Rayleigh Wave velocity that spread in it changes with frequency . This kind of phenomenon is called the dispersion phenomenon of the Rayleigh Wave .

其次，使用无缺陷的钢板，在理想状态下激发单一模式的Lamb波，通过信号采集系统对信号进行采集，保存数据后，将采集信号进行处理，进一步了解了Lamb的频散特性。

Second , it used the faultless steel plate to stimulate Lamb wave of single pattern in ideal condition , collected signal through the signal acquisition system , and saved these data .