Impedance of aluminium beam is tested with PZT and studied impedance frequency specialty, and the real impedance, the stain mode and position of PZT are analyzed.

• 实验将铝梁作为测试对象，在其上粘贴压电陶瓷，通过对阻抗应答、振动模型和压电陶瓷片的粘贴位置的分析，研究梁的阻抗频率特性。