本文提出的反演理论，主要是基于声波波动方程展开讨论和研究的，其研究方法对于弹性波方程和粘弹性波方程同样适应。
The study in the paper is based on acoustic wave equation, but its research methods are also suitable to elastic and viscoelastic wave equation.
文章将应用于弹性杆系结构动态响应的回传波射矩阵法扩展应用于粘弹性框架的瞬态问题的求解。
The reverberation ray matrix method for analyzing dynamic response of elastic trusses or frames is extended and used to solve the transient response of frames made of viscoelastic bars.
这样，对应每一个粘弹性随机介质模型，我们均可计算得到6个不同的波场特征量。
In this way, corresponding to every single viscoelastic random medium model, we can calculate and gained 6 different wave field characteristic quantities.
本文主要是通过波场数值正演模拟技术来研究粘弹性各向同性介质中地震波的传播问题。
In this paper, seismic wave propagation in viscoelastic isotropic media is mainly addressed by the technology of wave field numerical simulation.
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.
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.
采用波传播分析方法，讨论了外部敷设粘弹性自由阻尼材料的无限长圆柱壳在流场中受径向简谐激励的振动功率流。
Employed wave propagation approach, the vibrational power flow of a submerged infinite cylindrical shell coated with unconstrained viscoelastic layer excited by a radical harmonic force is studied.
本文用数值计算和超声物理模型实验两种方法研究倾斜粘弹性覆盖层中P -SV波的传播。
Both numerical calculations and supersonic physical model experiments are used in the study of P-SV waves in dipping viscoelastic layer.
将覆盖层单元近似为粘弹性圆柱管，导出轴对称波的特征方程。
Approximating the unit of coating as hollow viscoelastic cylindrical shell, an eigen equation of the axisymmetric waves is derived.
文中涉及粘弹性力学理论、地震波传播理论、有限差分理论、波场正演模拟技术等相关知识。
Many correlative techniques are involved, including seismic viscoelasticity, seismic wave theory, finite-difference and wave field modeling.
阐述了粘弹性材料在振动波作用下的阻尼机理，指出声波法和模量法的统一性。综述了互穿聚合物网络技术要点，并解释相分离体系宽玻璃化转变区间的形成机理；
The damping mechanisms of viscoelastomeric materials under the vibration waves and the formation mechanisms of the wide range glass transition of micro phase separation IPNs systems are reviewed.
阐述了粘弹性材料在振动波作用下的阻尼机理，指出声波法和模量法的统一性。综述了互穿聚合物网络技术要点，并解释相分离体系宽玻璃化转变区间的形成机理；
The damping mechanisms of viscoelastomeric materials under the vibration waves and the formation mechanisms of the wide range glass transition of micro phase separation IPNs systems are reviewed.
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