摘要
本文以法向模螺旋天线的耦合理论为基础，运用铁氧体作为磁芯，设计了一个频带范围在2-600MHz的小型宽带螺旋天线。为了得到此螺旋天线的最佳性能，对添加同轴不锈钢棒的模型进行仿真分析。研究结果显示，螺旋天线铁氧体磁芯及同轴不锈钢棒对于频带宽度及谐振点影响很大。
Based on the theory of coupling of normal mode helical antenna, a small size wide-band spiral antenna with ferrite core from 2-600 MHz is presented in this paper. In order to obtain the optimized per-formance of this spiral antenna, the antenna added with a coaxial stainless steel bar was simulated and ana-lyzed. The results show that the ferrite magnetic core and the coaxial stainless steel bar have great effect on the bandwidth and resonant frequency.
出处
《真空电子技术》
2013年第5期45-48,共4页
Vacuum Electronics
关键词
螺旋天线
铁氧体磁芯
耦合
Spiral antenna, Ferrite magnetic core, Coupling
