In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.

本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。

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Longitudinal vibration of pile with variable impedance (variable sections or modulus) in layered soil undergoing arbitrary load is theoretically investigated.

对成层土中变阻抗(变模量或变截面)桩在任意激振力作用下的纵向振动特性进行了研究。

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The non-single resonance characteristics appear by forming proper impedance matching layers on the radiative surface of longitudinal mode piezoelectric transducer.

在复合棒纵向换能器的辐射端加上适当材料的阻抗匹配层，可以使其工作在非单谐振状态下。

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