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  • 李东伟,李天鹏,万鹏飞.新型Koch型缺陷地面结构低通滤波器设计[J].电讯技术,2011,51(6): - .    [点击复制]
  • LI Dong-wei,LI Tian-peng,WAN Peng-fei.Design of Low Pass Filters Based on Koch shaped Defected Ground Structure[J].,2011,51(6): - .   [点击复制]
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新型Koch型缺陷地面结构低通滤波器设计
李东伟,李天鹏,万鹏飞
0
(空军工程大学 导弹学院,陕西 三原 713800)
摘要:
提出了一种新型Koch型缺陷地面结构(KDGS),设计了两款基于分形缺陷地 面结构的低通滤波器。仿真结果表明:所设计的两种新型低通滤波器3 dB截止频率分别 为3.10 GHz和3.20 GHz,10 dB阻带带宽分别为8.75 GHz和12.25 GHz ,通带插入损耗均小于0.10 dB。该滤波器设计方法简单,性能好且成本低,在无线通 信中很有应用前景。
关键词:  无线通信  低通滤波器  Koch型缺陷地面结构(KDGS)
DOI:
基金项目:国家自然科学基金资助项目(60971118)
Design of Low Pass Filters Based on Koch shaped Defected Ground Structure
LI Dong-wei,LI Tian-peng,WAN Peng-fei
(The Missile Institute, Air Force Engineering University,Sanyuan 713800,China)
Abstract:
A Koch-shaped defected ground structure(KDGS) is proposed and tw o low pass filters based on KDGS are designed. Simulation results indicate that the 3 dB cut-off frequency of the designed filters is 3.10 GHz and 3.2 0 GHz, and th e 10 dB bandwidth(insertion loss) 8.75 GHz and 12.25 GHz, respectiv ely,their inse rtion loss is smaller than 0.10 dB.The design of the proposed filte r is simple,and it is featured by good capability and low cost.It will find wide application in wireless communications.
Key words:  wireless communication  low pass filiter  Koch shaped defected ground structure(KDGS)
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