The physical interpretation of P11 and PVDF mode shape functions are characterized respectively.The FRFs between the PZT actuators and PVDF sensors are experimentally measured. 以模态分析之理论基础推导对于压电材料梁系统之传统模态形式的频率响应函数，并分别验证得到压电片和压电薄膜模态振型之物理意义。
The axial and flexural vibration analyses of the host beam actuated by the PZT sheet are presented, and the mechanical impedance of the piezoelectric smart beam is deduced. 讨论了单压电片驱动下钢梁的纵向振动和弯曲振动，得到了压电智能梁的机械阻抗。
