文档介绍：汽车车速检测系统设计目录摘要……………………………………………………………………………………………1关键词…………………………………………………………………………………………1Abstract………………………………………………………………………………………1Keywords……………………………………………………………………………………1引言……………………………………………………………………………………………21论文综述…………………………………………………………………………………………………………………………………………………………………………………………………………………32车速检测系统的设计思路…………………………………………………………………33系统单元模块选型……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………54系统硬件设计…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………195软件设计…………………………………………………………………………………196总结………………………………………………………………………………………19参考文献……………………………………………………………………………………20附录A…………………………………………………………………………………………21附录B…………………………………………………………………………………………22致谢…………………………………………………………………………………………29汽车车速检测系统设计摘要;本次论文设计的是以AT89C51为核心,使用霍尔传感器CS3020测速,并于数码管上显示,当超速时具有语音警报功能的车速检测系统。论文简单的介绍了霍尔元件的原理及应用,AT89C51单片机在系统中应用,分析了系统部分的硬件和软件的实现以及个单元硬件模块的选择。该系统采用霍尔元件非接触式车速传感器代替软轴传动,使车速表的安装位置不受距离的限制。该系统安装简单显示直观且价格便宜,因此具有良好的发展前景和市场价值。关键词:单片机;霍尔传感器;数码显示;语音报警TheDesignOfVehiclespeeddetectionAbstract:Inthispaper,thevehiclespeeddetections