By comparing two traditional measurement systems used to measure VLF transmit antennas impedance in intensive atmospheric noise entironment, a new measurement method based on vector resonance is proposed in this paper.

• 比较了在强噪声环境下测量甚低频发射天线输入阻抗二种方法 ,提出一种新的矢量谐振测量方法 ,这种新方法比传统的阻抗电桥法具有更高的精度。