UID :2875
UID :70512
UID :22660
UID :102379
UID :46834
UID :74394
UID :90112
UID :47283
UID :23622
UID :100461
hai1039:VNA显示的是回波损耗吧,你能说一个90%效率的天线是80%的两倍? 虽然前者的回波的确比后者高3dB (2012-12-21 12:55) +g%kr~w=