antenna offset correction 天线偏移改正

Offset Parabolic antenna 偏置抛物面天线

offset antenna feed 离焦天线馈伺

offset antenna 偏馈天线 ; 偏馈

dual offset antenna 双偏置天线

single offset antenna 单偏置天线

offset-fed parabolic antenna 偏置抛物面天线 ; 偏馈抛物面天线

offset feed antenna 偏馈天线

offset Cassegrain antenna 偏置卡塞格伦天线