范文编号:DZXX356 范文字数:13522,页数:36 摘要 关键词: 射频识别 非接触 阅读器 应答器 4MHz
In recent years, the rapid development of automatic identification technology, especially with the rapid development of electronic and manufacturing technology. to achieve the RFID,using radio and radar technology - have developed very quickly, which got extremely extensive application and support in the logistics system, business trade, access to guard against theft, identification technology and application in the fields of medical . RFID is a non-contact automatic identification technology, which automatichally identifies targets through rf signal and gets access to relevant data. identification work doesn't need manual intervention. As the wireless version of bar code technology, RFID has the advantages of waterproof, magnetic influence, high temperature resistance, long service life, label data encryption, larger capacity, free stored information change.And the application will give retail, logistics and other industries with revolutionary change. At home and abroad, rf type IC card has been widely applied in numerous arear such as transit, metro system. This article is designed for the contactless rf CARDS charging system, which mainly introduces working principle and design method of the reader and the transponder based on rfid technology made by 4MHz carrier, and with a single-chip communication software realization. 射频式计费卡系统设计与研究相关范文 |
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