目录中文摘要.....................................................................................................................................1英文摘要.....................................................................................................................................21 引 言.................................................................................................................................31.1 研究的背景与意义...............................................................................................................31.2 国内外研究的现状...............................................................................................................31.3 研究的主要内容...................................................................................................................3本章小结.....................................................................................................................................42 系统总体方案设计.................................................................................................................52.1 方案对比分析.......................................................................................................................52.2 方案选择...............................................................................................................................52.3 总体方案思路与设计方法...................................................................................................6本章小结.....................................................................................................................................63 主要系统硬件选型.................................................................................................................73.1 主控制器选型.......................................................................................................................73.2 采集装置选型...............................................................
