Method for measuring UHF-RFID (Ultra High Frequency-Radio Frequency Identification Device) tag reading distance in salt spray environment

The invention discloses a method for measuring UHF-RFID (Ultra High Frequency-Radio Frequency Identification Device) tag reading distance in a salt mist environment, which comprises the following steps of: firstly, measuring UHF-RFID tag reading distance in salt mist environments with different concentrations, and then fitting to obtain a fitting function of the salt mist concentration and the UHF-RFID tag reading distance; and finally, calculating the UHF-RFID tag reading distance according to the salt mist concentration under the salt mist environment of the UHF-RFID tag reading distance to be calculated. The method has the advantages of being simple, accurate, high in automation degree and the like, and has important significance on research of UHF-RFID tag performance. 本发明公开了一种盐雾环境下UHF-RFID标签识读距离的测量方法，首先测得不同浓度盐雾环境下的UHF-RFID标签读取距离，然后进行拟合得到盐雾浓度和UHF-RFID标签读取距离的拟合函数。最后通过待计算UHF-RFID标签读取距离的盐雾环境下的盐雾浓度推算出UHF-RFID标签识读距离。本发明具有简单、精确、自动化程度高等特点，对UHF-RFID标签性能的研究具有重要意义。