目前的研究主要集中于探索孔隙介质的地震衰减机制，存在的问题包括复杂多孔介质的物理描述以及数值实现。
Current work is focused on seismic attenuation mechanism in porous rocks, and the remaining problems include physical description and numerical simulation about complex porous rocks.
小波变换作为频率和时间的二元函数，使之可以很方便地在频率和时间域中同时进行地震波能量的吸收衰减补偿。
Wavelet transform involves the two-variate function of frequency and time, which makes it convenient to simultaneously compensate for attenuation of seismic energy in frequency and time domains.
噪声衰减是地震资料处理中的关键问题之一。
Noise attenuation of seismic data processing is one of the key questions that can not be ignored.
而实验室中对地震波衰减的研究为衰减机理提供了研究基础。
And the attenuation studies of seismic wave in the laboratory have provided studying base for the mechanism studies.
地震波衰减性质的研究是地震学研究的重要课题。
The study of seismic attenuation property is a major subject in seismology.
对龙滩水电站蠕变体边坡的爆破振动进行观测、分析和处理，得到了爆破地震波衰减经验公式。
The blasting vibration of creep mass slope of Longtan hydropower station is observed, interpreted and analyzed. The experiential formula of decay for the blasting earthquake wave is obtained.
本文利用山东省及其邻区14个地震的37条等震线拟合山东地区地震烈度衰减公式。
The formula of seismic intensity attenuation fitted by using 37 isoseismal lines of 14 earthquakes in Shandong and near area.
多次波衰减是海洋地震数据处理中的一个关键问题。
Multiples attenuation is one of the most important problems in Marine seismic data processing.
利用新疆历史地震考察资料，采用多元回归方法拟合新疆地区地震烈度衰减规律。
Combined with the survey data of historical earthquake in Xinjiang, the seismic intensity attenuation law has been fitted with multiple regression method.
众所周知，大地吸收衰减决定于地层的性质，并且大地吸收衰减直接影响地震勘探成像的分辨率。
It is well known that attenuation by earth absorption depends on character of stratum and directly effects on imaging resolution in seismic prospecting.
地层吸收衰减效应是影响地震勘探分辨率的重要因素之一。
The Earth's absorption and attenuation effect is one of the most important factor that affects the resolution of seismic survey.
而对一些小震群的研究得到震群地震尾波率衰减变化不大的初浅印象。
Study of a number of small seismic swarms also gives us the preliminary understanding that the attenuation rate of seismic coda waves of swarms does not change considerably.
黏弹性衰减因子Q的可靠估计可通过Q反褶积来提高地震资料的分辨率并有助于振幅分析。
Reliable estimates of the anelastic attenuation factor, Q, are desirable for improvement of resolution through inverse Q filter and to facilitate amplitude analysis.
这表明，经过适当处理，是可以根据频率衰减系数的变化来预报地震的。
This shows that an earthquake may be predicted by making use of the variations of the frequency attenuation coefficient if the available data are properly processed.
文章最后给出了美国西部考虑震源破裂方向的地震动峰值加速度和均方根加速度的衰减关系。
Finally, the formulas of PGA and RMS accelerations attenuation dependent on the rupture direction of the seismic source are presented for the Western United States.
讨论了不同水合物胶结类型的流体饱和多孔隙固体中地震波的衰减情况，分析了估算天然气水合物和游离气饱和度影响因素。
Attenuations of different types of gas hydrate cementation in fluid-saturated porous solids are discussed. The factors affecting estimation of gas hydrate and free gas saturation are analyzed.
为了对比分析衰减关系的影响，编图中也采用了借助误差向后传播算法建立的地震烈度衰减关系。
For comparing and analyzing the influence of attenuation relationship, the attenuation relationship of earthquake intensity created by the error back propagation approach was adopted in mapping.
本文从小波理论出发，结合地震波在黏弹性介质中的传播方程，推导出小波尺度域地震波能量衰减公式。
This paper derives an energy attenuation formula of seismic waves in the wavelet-scale domain from the wavelet theory and seismic wave propagation equation in anelastic medium.
本方法亦可用于分析爆破振动信号在传播过程中能量随时间的衰减规律，对综合研究爆破机理和爆破地震波有指导意义。
The method can be also applied to analyze the attenuation laws of energy for blasting vibration signals during the propagation, blasting mechanism and blasting seismic effects in its entirety.
近炮检距处地震波的衰减较之远炮检距的相应衰减量更能准确反映地层的岩性信息。
The attenuation of seismic wave in near offset can more correctly reflect the lithologic information of formation than that in far offset.
因此，利用地震波的振幅、衰减等属性参数检测裂缝特征比利用速度参数更有效。
Therefore, seismic amplitude as well as attenuation characteristic attribute may be much better than velocity one for the detection of the fracture system.
通过地震波的衰减规律与塑性应变变化的比较可见，能量的消耗除了几何扩展衰减外，煤岩体的塑性变形方面也起了一定的作用。
Through the comparison of seismic wave attenuation and plastic strain, except for geometrical attenuation, the plastic deformation of coal and rocks is also contributing to energy consumption.
分析地震序列前期的时频度衰减曲线有可能区分出多震型地震，但快速区分间歇双震型和震群型地震较为困难。
By analyzing the early phase of frequency decay, it is possible to identify multi-shock earthquake sequence, but it is difficult to rapidly judge intermittent double-shock and swarm.
纵波的衰减系数在地震频带内基本上呈线性变化，而横波的衰减系数在地震频带内除低频外基本保持稳定。
The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band.
地震波的吸收衰减信息和振幅信息密切相关，与其他地震信息相比具有更高的灵敏度。
The attenuation by absorption of seismic waves is closely relative to amplitude information and has higher sensibility if in comparison with other seismic information.
地震动衰减关系是地震区划和重大工程场地地震安全性评价的重要内容。
The seismic ground motion attenuation relationship is an important content in seismic zonation and seismic safety evaluation of engineering sites for key projects.
分析了腐蚀环境对结构抗力的影响、抗力衰减模型、地震危险性、地震对结构的作用。
Influence of corrosive environment on structural resistance, resistance decrease model, seismic risk and seismic effect on structures are analyzed.
经对比分析，所得爆破地震波衰减规律公式预测的质点振动速度具有较高的精度。
Through contrasting and analyzing, the particle vibration velocity were forecasted by the orderliness formula of attenuation of blasting earthquake wave is precise relatively.
笔者提出了沿垂直方向、水平径向和水平切向振动时不同距离地震波衰减规律的经验公式。
An empirical formula was derived, which indicated the attenuation of the seismic waves at different distances along the vertical, horizontal and horizontal tangential directions.
笔者提出了沿垂直方向、水平径向和水平切向振动时不同距离地震波衰减规律的经验公式。
An empirical formula was derived, which indicated the attenuation of the seismic waves at different distances along the vertical, horizontal and horizontal tangential directions.
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