Vibration modal shapes of a bonding tool with high frequency velocity are measured with a laser Doppler vibrometer, then the theoretic conclusion is proven.

• 摘要利用扫描式多普勒测振仪，对劈刀的振动形态进行测试，其结果证实了：当改变劈刀与变幅杆联结的松紧程度时，会对其振动的模态振型产生影响；