With the train’s speed improving, and running interval time decreasing, traditional rail defect inspection methods cannot meet the efficiency requirement of railway industrial standards. In this paper ...

An accurate and simple analytical model for the computation of the reflection amplitude and phase of Reconfigurable Intelligent Surfaces is presented. The model is based on a transmission-line circuit ...

In the dense Serebryansky Forest of Ukraine, a recent video from the 63rd Mechanized Brigade has revealed a stunning ...