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。
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.
分析了天线的电压驻波比和增益随着线栅根数以及天线高度等参数变化的特性。
The characteristics of VSWR and the gain of the antennas with different Numbers of wires and different heights are analyzed.
对驻波的有关特性，如稳定性和波速进行讨论，并分析上述诸多因素的影响。
The characteristics of the stationary wave are presented in this paper, including its stability and wave celerity.
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