有没有办法使用 RFID 读取器跟踪 RFID?
我有一个远程 RFID 阅读器和 RFID。是否有可能追踪 RFID?谢谢。我使用 vb.net 作为编程语言来将标签保存到数据库。
I have a long range RFID reader together with the RFID. Is there any possibility to track the RFID? Thanks. I use vb.net as my programming language for saving the tag to the database.
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标签只回复 id,但不回复 id 开始发送时的时间戳,对吗?您需要时间来测量速度。随着时间和知道哪个天线收到标签的答案以及阅读器开始请求标签的时间,您可以对距离和可能的行进方向做出粗略的假设。
为了真正跟踪运动,您需要了解建筑环境,并且需要有多个阅读器。
RFID 标签不是 GPS 应答器
The tag only reply with an id, but not with an timestamp when the id started sending, right?. You need the time to measure speed. With the time and knowing which antenna received the answer of the tag and the time when the reader started asking for tags you could make a rough assumption about distance and maybe direction of travel.
For really tracking movement you need to know the building environment and needs to have more than just one reader.
A RFID tag is not a GPS transponder