Beyond 5G/6G, large aperture antennas are used to compensate for the high propagation loss in the millimeter wave band. The large anechoic chambers required to accommodate DFF (Direct Far Field) ...

A new three-dimensional (3D) vector parabolic equation method (PEM) is proposed to study the propagation of electromagnetic waves in tunnels, which is particularly useful for modeling wave propagation ...

Syllabus: The NTA has put the official JEE Main 2026 Syllabus online on their website: jeemain.nta.nic.in. If you're planning ...