正偶(单)极强迫源对大气低频振荡的调制作用强于负偶(单)极,波动振荡明显加快。
In this paper, a simple and practical electrically small planar unipole antenna is presented, and the dependences of input impedance on dimension of the antenna and frequency are investigated.本文提出一种简单而实用的平面结构的单极子电小天线,研究输入阻抗随天线外形尺寸和频率的变化规律。