Abstract: Radio wave propagation modeling in tunnels plays an important role in the deployment of modern train communication systems. The parabolic equation method has proven to be a powerful ...

What if every person you meet, including those you’ve yet to cross paths with, is quietly tethered to you by a single thread you can't even see? That's the premise of the invisible string theory. The ...

Abstract: In modern battlefields, the electromagnetic environment is complex and changeable, and radar detection and acquisition equipment perform unstably. This often causes pulse splitting in the ...