精神病人安全防走失与追溯定位管理系统经验分享目 录一、立项背景及意义.......................................................................................................................41. 立项背景.............................................................................................................................42. 意义....................................................................................................................................4二、 国内外讨论现状和进展趋势.................................................................................................51。国内现状:...........................................................................................................................52。国外现状：.........................................................................................................................63.进展趋势：...........................................................................................................................6三、项目讨论开发内容及主要创新点...........................................................................................61.项目讨论内容.......................................................................................................................62。主要创新点.........................................................................................................................72。1 GPS/GSM 和 RFID 双模式切换技术.........................................................................72。2 传感技术..................................................................................................................8微控制单元.......................................................................................................................9传感单元...........................................................................................................................9射频单元.............................................................................................
