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.
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.
本文概述了研究地震波衰减的一些新方法和取得的最新成果。
The paper here gives a general account of some new method of and new achievements gained in the study of seismic wave attenuation.
本文概述了研究地震波衰减的一些新方法和取得的最新成果。
The paper here gives a general account of some new method of and new achievements gained in the study of seismic wave…
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.
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.
研究结果表明，该模型对研究三峡工程开挖爆破地震波衰减规律是有效的，计算结果是可靠的。
The analysis results demonstrated that the model is effective to study vibration damping regularity caused by excavation blasting for the Three Gorges project and computational results are reliable.
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.
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.
对微地震波的传播进行了理论分析和数值计算，得到了存在衰减的粘弹性介质中纵波的传播规律。
By theoretical analysis and numerical computation of MS wave's propagation, the propagation law of wave in attenuation elastic-viscosity media had been given.
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.
人工地震波、电磁波和声波的频率越高，分辨率越高，但衰减快，可探测深度也降低。
The higher the frequency of the artificial earthquake wave, electromagnetic wave and sonic wave, the higher the resolution, but the attenuation is very fast and the exploration depth is very shallow.
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.
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.
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.
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.
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.
通常认为地震波高频衰减的物理机制主要是滞弹性的吸收，本文通过如下三方面的研究认为地震波高频衰减的物理机制主要是弹性的微观多次散射波的相互干涉。
In this paper, I present three studies on high-frequency seismic attenuation and propose that the physical mechanism results from the interference of elastic microscopic multiple scattering waves.
对某水电站地下洞室爆破振动进行观测、分析和处理，得到了爆破地震波传播衰减经验公式。
The blasting vibration of an underground chamber is observed, analyzed and interpreted. The experience formula of decay for the blasting earthquake wave is obtained.
采用数值计算的方法，分析了爆炸地震波频率与断裂构造参数对衰减的影响。
The decay effects of the blasting seismic wave are investigated with the frequency of seismic loading and parameters of structural faults.
结果表明，在不同加速度幅值地震波输入下，两种隔震层模型的质量块加速度都有明显的衰减。
The result shows that the peak value of acceleration of the mass block of the two isolation lays both are obviously weakened when inputting different earthquake waves.
品质因子是描述地震波在粘弹性介质中传播时信号衰减的重要参数。
Quality factor (Qfactor) is an important parameter that describes the attenuation of seismic signals in viscoelastic media.
本文总结了应力波的理论和爆破地震波的传播和衰减规律；
This thesis, author has summarized the theory of passes and attenuation equation of stress wave;
本文总结了应力波的理论和爆破地震波的传播和衰减规律；
This thesis, author has summarized the theory of passes and attenuation equation of stress wave;
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