Dirk Plettemeier

Planar mmWave near-field antenna measurement system with multiple probes

Abstract Planar near-field (NF) scanners are an essential tool to measure and characterize antennas. Their compact design and simple operation principle give them an advantage over classical far-field systems. This work presents a compact planar mmWave scanner, which implements a...

JuRa: The Juventas Radar on Hera Mission to Probe Internal Structure of Didymos and Dimorphos Asteroids

Abstract JuRa, the Juventas Radar, is the sounding radar of the Hera/ESA mission on cruise to the asteroid Didymos and its moon, Dimorphos. In 2027, it will, for the first time, do direct observation of the internal structure of an asteroid for the benefit of both science and pla...