In addition, the above work could not achieve a high Q -factor and the frequency selectivity was poor, which limited its application in the fields of sensing and selective thermal imaging. We design a ...

The distribution-level electric network frequency (ENF) extracted from an electric power signal is a promising forensic tool for multimedia recording authentication. Local characteristics in ENF ...

In this article, we present the results of a long-term analysis of Wireless Local Area Network (WLAN) frequency band and channel distribution development. To the best of our knowledge, no similar ...