【摘要】 介绍虚拟数字转速仪的硬件设计和软件设计.该系统不仅实现了转速的非接解式测量,而且其精度高、抗干扰能力强,具有较好的应用价值.更多还原

【Abstract】 The paper introduces the hardware design and software design of the virtnal rotational speed measuring device.This system implements non-contact measuring of speed,and has high accuracy and good anti-jamming.The virtual device can be put into practical applications.更多还原