The mechanical process is analyzed by using method of mechanical impedance and the measurement error equations are given.
利用机械阻抗方法分析这类传感器工作的力学过程，给出压电式传感器的测量误差表达式。
This article introduces the method of mechanical impedance employed in the non-destructive quality-control of the foundation pile.
本文介绍了机械阻抗法无破损检验桩基础质量。
A theoretical method of the PSD of random excitation force in Wheec-rail system is advanced on the principle of mechanical impedance.
采用机械阻抗原理，给出了轮轨系统随机激振力功率谱密度函数的理论计算方法。
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