The antenna and cable must be carefully matched to ensure a low StandingWaveRatio (SWR).
小心地将天线与电缆匹配,以确保低定波比率(SWR)。
2
The electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standingwaveratio (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。
3
The Finite Difference Time Domain(FDTD) method was used to calculate the Voltage StandingWaveRatio(VSWR) of a quasi-Yagi antenna.