采用该方法,分离软基岩场地联合效应和非弹性衰减的影响,并把二者分别确定出来。
The combined effects of soft rock sites and anelastic attenuation factor have been separated and determined respectively by (using) this method.
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.
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.
在地震长波长情况下,相同特征尺度的圆形干裂纹比薄的干裂纹对弹性波衰减更有效。
Under the circumstance of seismic long wavelength, the circular dry fracture is more effective in attenuation of elastic wave than thin dry fracture when the characteristic scale is same.
在弹性波动力学特征如波形、振幅、频率及衰减等方面研究薄弱。
The knowledge about the elastic wave dynamic characteristics such as waveform, amplitude, frequency and attenuation (Qp, quality value) is very limited.
在实验室内用频谱振幅比较法模拟测试了储集层岩石在高温高压下的弹性波振幅衰减值。
Attenuation of wave amplitude of reservoir rock at simulated high temperature and pressure is measured with spectrum-amplitude comparison mediod in laboratory.
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.
分析表明,对理想弹性半空间来说,增大扰频会减小地面波动衰减率。
The analysis shows that increasing the excitation frequency of the source reduces the decay rate of the ground vibration.
弹性波振幅在岩石中的衰减程度受其温压、所含流体性质、流体饱和度、岩石组分、结构等因素的影响。
Attenuation of elastic wave amplitude in rock is affected by its temperature and pressure, filled fluid properties, fluid saturation, rock composition and structure, etc.
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.
理论研究和实验表明,多孔隙介质中流体的存在及其运动是弹性波频散和衰减的主要原因。
It is showed by theoretical study and tests that existing fluid in porous medium and its movements are main reasons of dispersion and attenuation of elastic waves.
本论文研究自由端具有局部粘弹性阻尼的悬臂梁的能量指数衰减问题。
In this paper, we consider the exponential decay of energy of the cantilever Timoshenko beam with local viscoelastic damping on the free end.
分析结果表明与弹性圆柱管相比粘弹性圆柱管中轴对称波的各阶传播模式均存在衰减,高阶传播模式并无严格意义的截止频率。
The results show that there exist attenuation in all propagation modes along viscoelastic cylindrical tube, and higher-order propagation modes haven't cut-off frequency.
频敌和衰减是面波传播中的两个基本特征,利用面波频散和衰减可以有效地研究地球内部速度结构和粘弹性结构。
Two of the most predominant characteristics of Surface Wave are Dispersion and Attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior.
对冻融循环试验结果研究,提出基于动弹性模量衰减的纤维轻骨料混凝土冻融损伤模型。
The research to establish a model of freeze-thaw damage of fiber reinforced lightweight aggregate concrete for relative dynamic elastic based on experimental results has been done.
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.
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.
计算结果表明,在粘弹性阻尼作用下,衰减系数随振型阶数而增大,振动频率随之不断减小;
The results show that, due to the effect of viscoelastic damping, the attenuation coefficient increases with the increasing of modal order, while the vibrational frequencies decrease with it;
计算结果表明,在粘弹性阻尼作用下,衰减系数随振型阶数而增大,振动频率随之不断减小;
The results show that, due to the effect of viscoelastic damping, the attenuation coefficient increases with the increasing of modal order, while the vibrational frequencies decrease with it;
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