目录一、绪论................................................................................................11.1概述...................................................................................................................11.2总体设计..........................................................................................................1二、硬件设计与仿真...............................................................................32.1电路设计..........................................................................................................32.2菲涅耳透镜......................................................................................................32.3信号采集模块处理.........................................................................................42.4单片机最小系统.............................................................................................52.5按键控制电路..................................................................................................62.6报警电路..........................................................................................................6三、硬件设计与仿真...............................................................................73.1主程序工作流程图.........................................................................................73.2电路仿真..........................................................................................................9四、硬件测试与制作.............................................................................134.1原件及设备清单...........................................................................................134.2硬件制作与测试...........................................................................................13结束语.........................................................................................................17参考文献..............................................................................................18致谢.........................................................................................