一种具有宽阻带特性的小型化滤波天线
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摘要
本论文介绍了一种基于小型化宽阻带低通滤波器的滤波天线。本论文将mushroom结构单元引入发夹型高低阻抗线结构的低通滤波器中,从而提高了滤波器的小型化特性,并将该新型低通滤波器应用到天线中,设计了一种小型化滤波天线,其工作频段为2.2GHz-2.4GHz(8.7%),在高频13GHz以内都达到了很好的增益抑制效果,其带外抑制的最高频率相对于中心频率2.3GHz达到了5.7个倍频。
In this letter, a new filter antenna based on a low-pass filter with maximum and wide stop-band has been present. The introduction of mushroom cell makes smaller structure and wider stop-band of the antenna. The filter antenna works in the frequency from 2.2GHz to 2.4GHz(8.7%), and exhibits a good out-band rejection characteristic that the maximum frequency of the stop band is 14.4GHz, which is 6.26 times of the central frequency.
引文
1吴为军.多层结构滤波器优化及滤波器与天线集成设计:[学位论文].西安电子科技大学,2012年
    2 Guang Hua Sun,Sai Wai Wong,Lei Zhu and Qing-Xin Chu:‘A compact printed filtering antenna with good suppression of upper harmonic band’,IEEE Antennas and Wireless Propagation Letters,2016,15,PP.1349–1352
    3 Lin Li and Gang Liu:‘A differential microstrip antenna with filtering response’,IEEE Antennas and Wireless Propagation Letters,2016,15,PP.1983-1986
    4 Lung-Hwa Hsieh and Kai Chang:‘Compact lowpass filter using stepped impedance hairpin resonator’,Electronics Letters,2001,37,(14),PP.899–900
    5 Xiaoke Wang,Wanchun Tang and Y.L.Chow:‘Compact elliptic-function lowpass filter using improved mushroom resonator cells’,Electronics Letters,2012,48,(4),PP.221-222

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