This paper got the displacement current about a oscillating dipole and the equation of displacement current line and discusses the property of its electromagnet field.
本文通过计算得到了振荡偶极子周围的位移电流及位移电流线方程。
2
A new type of broadband printed twin dipole antenna is proposed in this paper. Corresponding feed structure of broadside coupled parallel line is also designed.
本文给出了一种新型双偶极子型宽带印制天线，并设计出相应的类平行宽边耦合双线双面馈电结构。
3
Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.