超声多普勒效应实验装置的设计与应用

摘要

利用报废的打印机,设计制作了一套既能精确测量又有良好演示效果的多普勒效应实验装置,取得了满意的教学效果.叙述了多普勒效应测速原理,介绍了实验装置结构,给出了实验结果.%By using an unserviceable printer, an experiment device for Ultrasonic Doppler Effect is designed and manufactured. It has accurate measurement, good demonstration effect and can get satisfactory teaching results.