by A. Pung | Jan 20, 2024 | Physics
Introduction From the earliest days of the universe, massive explosions have been responsible for the chaotic separation of structured materials. During the explosion process, shockwaves (or shock shells) are formed due to gradients in pressure and heat released...
by A. Pung | Jan 18, 2024 | RF & RCS
Introduction The thought of complex electronics often brings up imagery of wires and cables, connecting electrical components on a circuit board to other hardware components. Conventionally, these cables are coaxial (so named due to the central conducting...
by A. Pung | Jan 17, 2024 | RF & RCS, Space
Introduction When we look up at the night sky, we see through all the layers of our atmosphere into outer space. We see across millions of lightyears to the shining, beckoning pinpoints of light that make us stare up with wonder and curiosity. But what may not be...
by A. Pung | Jan 15, 2024 | Micro-lithography
Introduction The previous discussions on Radar Cross-Section (RCS) and electromagnetic (EM) coupling suggested that radiation from any number of random sources can be coupled onto, and radiate from, small features with specific geometries. But this turns out to be...
by A. Pung | Jan 15, 2024 | RF & RCS
Introduction A parallel application of electromagnetic (EM) modeling of aircraft is electromagnetic shielding and coupling. My recent post on calculating radar cross-section (RCS) looked at simplifying an airplane CAD model to a more simple canonical geometry, and...