短語詞組短語antenna global beam 球狀波束天線antenna a beam 天線射束antenna beam shaping 天線波束整形antenna beam scanning 天線波束掃描Antenna beam directivity 天線波束中心指曏antenna beam effects 廣義逆濾波antenna pencil -beam 筆形束射天線;鉛筆尖形波束天線factor antenna beam shape 天線波束形狀因子antenna beam swinging 天線波束擺動(dòng) 返回 antenna beam