张家界航空工业职业技术学院毕业设计说明书目录摘要..........................................................................................................................................................1第1章引言.............................................................................................................................11.1设计概述...........................................................................................................................................11.2设计目标与意义.............................................................................................................................31.3章节安排...........................................................................................................................................3第2章方案论证与选型............................................................................................................52.1设计任务分析.................................................................................................................................52.2方案论证与选择............................................................................................................................52.2.1方案一........................................................................................................................................52.2.2方案二........................................................................................................................................62.3方案确定..........................................................................................................................................6第3章硬件电路设计.................................................................................................................83.1原理分析...........................................................................................................................................83.2流水灯电路总体框图.................................................................................................................103.2.1按钮........