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-RFID-beta2

项目总结报告-基于RFID图书馆室内导航beta2 现代图书馆的容量逐渐增大,馆舍面积、文献数量、数据库及各种多媒体资源都呈现飞跃式的发展,图书馆室内环境比较复杂,书架布局以及建筑环境多样化性和复杂性,给师生在图书馆寻书造成了一定困难。因此,开发出一种既能给图书馆寻书过程带来方便,又能让每个人轻松的使用该服务的系统具有重要意义。 在物联网的发展之初,人们发现它需要一套核心的技术来支撑,以满足下列需求:如何唯一识别物体;如何让简单的物理对象也具有“智能”的特性;如何低成本地与物理世界建立通信;如何让物理对象被动地实现“智能”。RFID的出现彻底解决了这一问题,RFID是一种非接触式的自动识别技术,它通过射频信号自动识别目标对象并获取相关数据,识别过程无需人工干扰。RFID系统有两个基本器件:阅读器和标签。它的工作原理是:阅读器以广播方式连续不断地向周围发送携带能量的基准信号,标签通过调制电路信号返回自身携带的数据。阅读器接收到数据后对数据进行解码并传给主机处理。RFID技术为上层应用提供了最基本的数据支持。

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