In the numerical analysis of axially symmetry electromagnetic field, the finite element method using ring unit with rectangular cross-section has more advantages than other methods.
在具有轴对称特性电磁场的数值分析中，用矩形截面环单元分析具有比其他单元更多的优点。
2
A design of reconfigurable rectangular slot ring antennas with MEMS switches is proposed in this paper.
提出一种基于MEMS开关的可重构矩形缝隙环天线设计。
3
The hook ends of the draw robs are installed in the rectangular slotted holes and hook the ring strips.