This article presents a self-powered system for classifying meat freshness using ensemble learning and a battery-free sensor tag powered by energy harvested from a 3-D quasi-Yagi antenna (QYA). The ...

Leveraging the reconfigurable parasitic configuration, the coupling path of the antenna can be strategically manipulated, achieving the desired multibeam property. Thus, by utilizing the PPS structure ...

Construction is aluminium rod-and-bar, with hand-welded joints and a double powder coated white finish. “The RGP Series offers an ultra-wide band to eliminate the need for customers to purchase ...