结合超宽带缝隙天线和分形结构的优点,设计了一种具有陷波特性的超宽带分形缝隙天线.选择E形缝隙结构,并在缝隙下边缘采用树状分形,构造半波长谐振结构,实现了天线的陷波功能,有效地避免了超宽带频带范围内的系统干扰.给出了天线设计的总体思路,通过理论分析和仿真测试,对天线的阻抗特性、增益进行了研究.结果表明,该陷波天线的阻抗频带为3 GHz ～12 GHz,在5 GHz～6.25 GHz频带内具有陷波特性.同时,分形结构的引入极大地缩小了天线的尺寸.

Combining the advantages of ultra-wideband slotted antenna and fractal structure,an ultra-wideband fractal slotted antenna with a frequency band notch function is designed. E type slot structure with tree-shaped fraction at the lower edge of the slot is chosen to form half wavelength resonance structure to realize the antenna's band notch function. It can effectively prevent the system interference from the frequency range of ultra-wideband. The overall design process of the antenna is given. The antenna im...

TN823