antenna radiation characteristic的意思|示意

The antenna element has a ridge element unit (21) for adjusting antenna characteristic corresponding to a ridge portion and a radial element unit (22) for electromagnetic wave radiation.

天线元具有调整与脊形部分相对应的天线特性的脊形元单元(21)、和用于电磁波辐射的辐射元单元(22)。

The electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standing wave ratio (VSWR), horizontal gain and radiation pattern.

研究了这种新型套筒天线的输入阻抗、电压驻波比（VSWR）、增益及辐射方向图等电特性。