【摘要】 介绍了一种新型的高速公路测速仪设计的方法。根据红外检测的工作原理,设计了红外光发射、接收电路。对弱光信号的接收以及日光下如何屏蔽可见光的干扰进行了研究,并且对硬件结构以及软件流程进行了论述。更多还原

【Abstract】 A new type of vehicle speed-measuring method is introduced.According to the theory of opto-electronic detector,the circuit for infrared emitter and receiver is designed.The receiving of weak infrared signal and how to shield the disturbance of visible light are studied.And the description of hardware and software is given.更多还原