Conventional color printing involves overlaying dots of cyan, magenta, yellow, and black pigments in different ratios to get a spectrum of colors. In the new coloring scheme, each pixel is made of ...

Abstract: This article proposes a full-metal omnidirectional series-fed filtenna array. The antenna is primarily composed of an outer metal shell, a built-in metal post and three pairs of open-circuit ...

Abstract: It is difficult for a standing-wave waveguide slot array antenna to generate a complex beam shape in H-plane, such as the cosecant squared pattern. The reason is that a conventional standing ...