Virtual Synthetic Aperture Radar Target Based on a Miniaturized Monostatic Digital Delay Transponder (2021) Stelzig M, Benedikter A, Horn R, Jaeger M, Keller M, Scheiber R, Krieger G, Vossiek M Journal article, Original article A Digital Correction Method for Increased Dynamic Range in Interferometric Six-Port Radars (2021) Krause S, Michler F, Kölpin A, Rudolph M, Heinrich W Journal article Feasibility of Additively Manufactured Tunable Liquid Crystal Loaded Dielectric Waveguides (2021) Tesmer H, Gold G, Bachbauer F, Polat E, Sippel M, Jakoby R, Vossiek M, Maune H Journal article Post-Processing and Evaluation for a Radar Based True-Speed-Over-Ground Estimation System (2021) Reißland T, Michler F, Scheiner B, Kölpin A, Weigel R Journal article, Original article 3D Printed E-Band Hybrid Coupler (2019) Lomakin K, Klein L, Ringel L, Ringel J, Sippel M, Helmreich K, Gold G Journal article, Review article Assessment of Transmitter Initiated Wake-Up Radio Versus Pure Wake-Up Receiver Decoding (2017) Hierold M, Weigel R, Kölpin A Journal article A 30 GHz Variable Gain Amplifier With High Output Voltage Swing for Ultra-Wideband Radar (2009) Sewiolo B, Fischer G, Weigel R Journal article A fully differential 77-GHz active IQ modulator in a silicon-germanium technology (2008) Wagner C, Hartmann M, Stelzer A, Jäger H Journal article