摘要 : The performance of a double-Y balun feeding a resistive V-dipole is evaluated via antenna-pattern measurements. An optical link is constructed for containing the feedline radiation to a laser receiver unit and the antenna under te... 展开 The performance of a double-Y balun feeding a resistive V-dipole is evaluated via antenna-pattern measurements. An optical link is constructed for containing the feedline radiation to a laser receiver unit and the antenna under test (AUT), hence avoiding the uncertainty caused by cable radiation in a conventional antenna pattern-measurement setup. 收起