7 P" G, |* j4 C可是,一个参考设计上说:The RF signal from the device is routed to the antenna using a coplanar waveguide with ground (CPW-G) structure. 特别指出不是microstrip。 请问我要什么公式计算呢? ) {' j9 {$ q! c4 \# m. B7 u . w$ j, |9 A: ?6 h* m4 y7 w V/ b" m2 b% B4 R3 S3 D) a$ Y