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如何测标签天线(RFID)

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标签天线封装好了,如何测试呢?有人说自己做一个螺旋状的发射天线,接在矢量网络分析仪上,可以扫描出标签天线的谐振频率,但螺旋发射天线本身也是有一个谐振频率的。如果把封装撕开,揭开胶封,里面是很薄的一层金属,但失网测试没什么反应。请问大家是如何测试标签天线的?包括谐振频率,阻抗。

网友回复:

要有发射天线和接收天线才行吧

网友回复:

there is a paper published in IEEE MTT Trans this May.

网友回复:

in addition, usually we estimate the performance of RFID antenna based on the reading range not impedance or gain. so it is better to use a chip and reader to test its maximum reading range in a chamber or real environment..

网友回复:

the performance of the RFID tag antennas is strongly affected by the object which is attached to.

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