Abstract: Uniform circular arrays (UCAs) provide both omnidirectional (360°) and directive (sector ... fields and are composed of either omnidirectional electric dipole elements or unidirectional ...
The course covers antennas and radiowave propagation in the frequency range above about 100 MHz. The antenna part covers basic theory, wire, dipole, apertures/horn, reflector, and microstrip, and ...
Department of Chemistry, Key Lab of Organic Optoelectronics & Molecular Engineering, Tsinghua University, Beijing 100084, P. R. China Fujian Provincial Key Laboratory of Terahertz Functional Devices ...
Sergey UA2FW called me on phone one evening in late August 2020 and invited me to the group of fine operators for the CQWW CW 160m 2021 CONTEST. He also asked if I was willing to propose and design a ...