单层4路90°相位差功率分配器
贺庆,祝连庆,刘锋
A single-layer four-way power divider with 90° phase differences
HE Qing,ZHU Lianqing, LIU Feng
北京交通大学学报 . 2015, (5): 27 -31 .  DOI: 10.11860/j.issn.1673-0291.2015.05.05