| Keywords |
2 to 18 GHz, ambient microwave energy recycling, broadband rectenna arrays, conversion efficiency, DC-DC conversion, dual-circularly-polarized array, frequency response, full-wave electromagnetic field analysis, harmonic balance nonlinear circuit analysis, industrial sensors, integrated design, low-power-density microwave radiation, microwave antenna arrays, microwave power transmission, power combiners, power combining, rectification, spiral antennas, spiral rectenna array, time-varying microwave radiation, wireless powering |
