在层状介质中，瑞雷波具有频散特性。
这种现象称为速度频散。
计算实例可以看出频散介质中波的传播情况。
Simulated example illustrates the wave propagation in a dispersion medium.
推导出自由单层板频散方程的矩阵表达形式。
Matrix expression for dispersion equation of a single plate was derived.
因此，岩石电阻率频散性影响着阿尔奇参数的变化。
So rock resistivity dispersion has a bearing on the variation of the parameters of Archie equation.
行波效应与频散效应的变化规律同网壳（架）结构；
The rule of wave-passage effect and incoherent effect is same to that of shell(truss) structure.
波动方程高阶差分法具有精度高、数值频散小的优点。
The high-order difference method of wave equation has the advantages of high accuracy and small numerical dispersion.
岩体是具有多种微结构的复杂体，具有明显的频散效应。
It presents obvious frequency dispersion effect and its sonic velocity increases along with the incident frequency increase.
空间自相关法；瑞雷波相速度频散；圆形排列；微震勘探法。
Spatial autocorrelation method; Phase velocity dispersion of Rayleigh wave; Circular array; Microtremor survey method.
相同介质中不同频率的弹性波传播速度是有差异的，即频散问题。
The propagation velocity of elastic wave with different frequencies in same medium is various, which is called dispersive problem of frequency.
该方法考虑了由于实际介质的不均匀性而产生的地震波频散现象。
The method considers that the frequency dependence characteristics of seismic wave velocity is caused by the nonuniformity of propagation media.
本文对偏移剖面上的假频、频散和横向分辨力作了比较系统的论述。
The alias, frequency dispersion and lateral resolution of migrated seismic section are analysed in detail in this paper.
高阶差分加上合适的边界条件能较好地解决网格频散和边界效应问题。
When a suitable boundary condition is given, this method can solve the problems of the numerical dispersion and boundary effectiveness.
研究了带有粘弹性包覆层管道中超声导波扭转模态的频散及其衰减特性。
Dispersion and attenuation characteristics of torsional modes of ultrasonic guided wave in pipe with viscoelastic coating are investigated.
在相同的条件下，剖分步长越大及差分精度越低，数值频散现象越明显。
In the same conditions, the numerical dispersion will worsen when the grid becomes bigger or difference accuracy becomes lower.
分析孔隙流体性质及含量变化和测量频率变化对泥质砂岩频散特性的影响。
Effects of pore fluid property, contents variety and measurement frequency variety on frequency dispersion of argillaceous sandstone are analyzed.
文章认为，在时间伸展变换的情况下，频散方程将不是一个圆，而是一个椭圆。
It is deemed that with the variation of time extension, the dispersion equation should be an ellipse rather than a circle.
对于简正波，运用高效数值方法解频散方程，提高了简正波的计算精确和速度。
To obtain accurate normal modes quickly, the frequency dispersion equation was solved by an efficient numerical algorithm.
同时，岩石介电频散程度受到含水饱和度、水矿化度、泥质含量等因素的影响。
The degree of of dielectric dispersion is affected by water saturation salinity of water and clay quantity.
根据岩石电性物理分析可知，不同频率范围，岩石复电阻率频散的物理机理不同。
Physical analysis of rock electrical properties show that the physical mechanism of dispersion of rock complex resistivity in different ranges of frequency.
研究了圆柱壳中较高阶周向模态结构振动波的频散特性，得到了相应的频散曲线。
Dispersion results of the structural vibration waves of higher order circumferential modes in cylindrical shells are calculated, and corresponding dispersion curves are obtained.
结合岩心砂泥岩频散特性实验结果分析了岩心在饱水及干燥状态下声频散的特点。
Based on the results of dispersion experiments on cores of sand and shale, the paper analyzed the variability of acoustic dispersion for dry and water-saturated cores.
随着正弦波频率增加岩石的滞回圈频散效应增强，饱和液体加强了这种频散作用。
When the frequencies of the sine waves increase, the frequency dispersion of the hysteresis loops of the rocks is strengthened. This effect is also intensified with the saturation fluids.
这种模拟方法的主要优点是自由边界条件实现比较方便，数值频散小，模拟精度高。
This method has advantages of small numerical dispersion, high simulation precision, and easy imposition of free boundary conditions.
而将串联频散补偿算法与限幅补偿算法相结合，可形成一种新的常规反Q滤波方法。
The combination of cascaded frequency dispersive compensation algorithm with restrainedamplitude compensation algorithm results in a new routine inverse Q filtering method.
综合对比这些结果，可用于地层岩性解释、分析吸收和频散作用、以及分辨多次波等。
Integrated analysis of these results is helpful to strati - graphic interpretation, the analysis of absorption and frequency dispersion, the identification of multiple reflection, and so on.
通过分析不同的应力和位移边界条件得到了三种不同双层管结构中扭转模态的频散方程。
Dispersion equations of torsional modes in three different two-layer pipes are obtained by means of analyzing different stress and displacement boundary conditions of these structures.
从瑞雷面波在具有表面层介质中的传播情况入手，得出成层介质中的瑞雷波具有频散特性。
The paper begins with the propagation of Rayleigh wave in the media with surface layer, educes that the Rayleigh wave have the property of dispersion in layered media.
这个定常解描述了非绝热加热、耗散、非线性平流和线性频散共同作用所形成的阻塞流型。
It describes a local blocking flow pattern developed under the joint action of nonadiabatic heating, dissipation, nonlinear advection and the linear dispersion.
这个定常解描述了非绝热加热、耗散、非线性平流和线性频散共同作用所形成的阻塞流型。
It describes a local blocking flow pattern developed under the joint action of nonadiabatic heating, dissipation, nonlinear advection and the linear dispersion.
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