So one-dimensional elastic wave and plate vibration response theory are mainly applied to study the structure and experiments are made to verify the validity of the theory.
所以作者主要是应用一维弹性波理论及板壳振动理论对局部噪声屏蔽进行理论研究，并用试验来验证理论分析的可靠性。
The pile is simplifyed as an one dimensional elastic rod. The propagating characters of strain wave and displacement wave in different piles are studied.
将基桩简化为一维弹性杆，研究了位移波和应力波在不同类型的基桩中的传播特性。
The periodic bar and beam structures are modeled as one-dimensional periodic wave-guides and the expression of transfer matrix of elastic waves is derived.
将周期杆梁结构看成一维周期波导，推导了结构中弹性波传递矩阵的表达式。
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