给出了工作在C波段、相对带宽为5%的1-40的大型功分馈电网络的具体实现过程。利用HFSS、DESIGENR等电磁软件进行了仿真设计和硬件实现。测试结果表明在所要求的频段内网络的输入驻波小于1.30,相位误差小于9°。该功分网络已应用于直线阵的馈电。
In this paper a C-band feeding circuit with 5% relative bandwidth is realized. Firstly the 3D electromagnetic simulation software HFSS and DESIGNER are used to give an initial simulation of the feeding circuit. Then it is realized in a hardware system. Testing results show that the Voltage Standing Wave Ratio(VSWR) is below 1.30 and the phase error is less than 9°. This network has been successfully applied in feeding a line array.
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