数字式商品确认检测器的设计

The Design of Digital Electronic Article Surveillance

阐述了基于无线电射频技术的数字式商品确认检测器的基本原理,描述了系统发射、接收电路的设计和相应的软件算法。该检测器硬件结构简单,软件算法独特,具有检测灵敏度高,误报率低、使用方便等特点。

In this paper,the fundamental principle of the digital el ectronic article surveillance based on radio frequence is described.The transmi tter circuit,receiver circuit and the design methods of software are also intro duced in detail.With the simple structure of hardware and flexible design of so ftware,the detector are characterized by high detecting sensitivity,low false alarms rate and convenient operation.