一种改进型微带线定向耦合器及其应用
魏峰1;史小卫1;陈蕾2;黄丘林1
Improved microstrip directional coupler and its application
WEI Feng1;SHI Xiao-wei1;CHEN Lei2;HUANG Qiu-lin1
J4 . 2009, (2): 281 -284 .