摘要
应用微波等效网络方法,分析了在两种场型激励下单元折线栅对应的传输参数矩阵;采用网络级连方法,分析了多层折线栅对应传输参数矩阵,进而推导出折线栅极化器的传输系数和两正交分量的轴比;最后以8～12GHz通带内轴比均值为目标函数,优化了4层折线栅圆极化器的结构参数,优化结果与HFSS计算结果进行了比较,二者吻合。
On basis of derivation of equivalent admittance and impedance corresponding to E type and H type excitation to meander line, the transmission matrix of meander-line unit layer is constructed. Furthermore, the transmission matrix of N-layer meander-line polarizer is analyzed via network series-connection method, and thus the transmission coefficient, insert loss, axial ratio of meander-line polarizer are obtained. At last, taking the average axial ratio over 8GHz to 12GHz band as the target function, the dimensions of 4 layer polarizer are optimized, and results conform well to the numeric calculation of HFSS software.
出处
《信息与电子工程》
2006年第2期116-120,共5页
information and electronic engineering
关键词
电子技术
折线栅圆极化器
模式搜索法
传输参数矩阵
轴比
electronic technology
meander line polarizer
pattern search method
transmission coefficient mafix
axial ratio
