言语若采用经调制后的方波或调幅波传递，将会获得满意的可懂度。
With square wave or amplitude modulating wave transmission, the speech communication will have satisfactory intelligibility.
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。
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.
基于弹性波传递矩阵方法，研究了失谐周期结构中弹性波与振动的局部化问题。
Based on the method of wave transfer matrix, the elastic wave and vibration localization in disordered periodic structures is studied.
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