...
机译:Switched and Steered Beam End-Fire Antenna Array Fed by Wideband Via-Less Butler Matrix and Tunable Phase Shifters Based on Liquid Crystal Technology
Tech Univ Darmstadt;
Univ Magdeburg;
Beam steering; branch-line coupler; Butler matrix; endfire array; liquid crystal; phase shifter; via-less crossover; WAVE-GUIDE; COMPACT; DESIGN; COUPLERS;