Abstract
该文介绍了一种用于高分辨率浅层探冰雷达(工作于500 MHz-2 GHz)的小型化TSA天线。该天线采用共面波导到槽线的转换结构实现馈电，天线的两侧边采用波纹结构，构成波纹结构的金属细条带的长度从馈点端到辐射孔径端逐渐减小。仿真结果表明，比之传统的TSA天线，该天线的工作频带可向低频扩展，同时低频段端射向增益能够提高3 dB。测试结果表明，除550 MHz附近的一个窄频带(S11-8.2 dB)外，天线的阻抗带宽(S11-10 dB)大于10:1。此外，在500 MHz-2 GHz内测量得到的端射向增益大于3.9 dBi，测量得到的辐射方向图与仿真值有较好的一致性。
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