Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through "variable cross-section" of metal bar embeded layer was put forward.
运用波动的经典理论，提出了导波在金属杆嵌入层“变截面”传播时波速改变的“等效弹性模量”的概念。
Faults are widely existed in crust. They effect the elastic wave scattering as site condition. The analysis of wave propagation by fault is important both in theory and engineering.
断层广泛存在于地壳中，作为场地条件影响地震波的传播，研究断层对弹性波散射的影响对理论研究和工程应用均有十分重要的意义。
The theory of elastic wave propagation in damaged media was studied.
对弹性波在损伤介质中的传播理论进行研究。
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