Abstract: In this article, a general method for implementing flexible filter design based on nested substrate integrated waveguide (SIW) circular cavity and cambered cavity is proposed. The unique ...

Abstract: This paper presents the design of a microstrip line-fed substrate-integrated waveguide (SIW) ring antenna designed to excite a sixth-order circularly polarized conical radiation pattern.

This repository offers a comprehensive collection of official resources, detailed guides, and reference materials for NCH ClickCharts Pro on Windows PCs. It supports users in effectively utilizing the ...

One unquestionable message we're getting loud and clear is that blue is very much the colour for 2026. Not, of course, that it ever went away – we've been enjoying greeny shades of sky blue for ...

Meeting the global challenge of tackling plastic waste and building a circular economy requires innovation, investment and collaboration. Sustainable package design ...