一种拓展波纹喇叭带宽的新方法负导纳区的应用
A NEW METHOD FOR EXTENDING THE OPERATION FREQUENCY BANDWIDTH OF CORRUGATED HORNS BY USING THE NEGATIVE ADMITTANCE REGION
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摘要: 正 通常设计的波纹喇叭都工作于正导纳区,其辐射性能的频带比理论上可达到2:1;但若考虑到要匹配性能好、辐射图的轴旋转性能优良(即交叉极化峰值电平低),其频带比实际上大约可得到14:1。这不能满足频谱复用的卫星通信地面站对天线的要求,它需要频带比为6425:3700=1.736:1。为了解决这一问题,我们尝试利用负导纳区来拓展波纹喇叭的工作带宽
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关键词:
Abstract: A new method is presented for extending the operation frequency bandwidth of corrugated horns by using the negative admittance region, and it is verified by experiments. -
水沢丕雄,武田文雄,别段信一,電子通信学会论文誌(B), 56-B (1973), 14.[2]章日荣,电子学报,1983年第5期,第50页. -
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