Wide Ku-Band Microstrip patch antenna using defected patch and ground

Amit Singh Bhadouria, Mithilesh Kumar
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引用次数: 17

Abstract

New Simple and compact wide Ku-band Microstrip patch antenna is proposed. Defected patch and ground design is used to achieve wide band. The proposed antenna is designed on FR-4 substrate with dielectric constant 4.9 and thickness 1 mm and its overall size is 17 × 17 × 1.07 mm3 with patch size 13 × 11 × 0.035 mm3. The results of proposed antennas like return loss, VSWR and radiation pattern (gain, directivity and efficiency) are simulated and analyzed using commercial computer simulation technology microwave studio (CST MWS). By simulating this antenna structure using above EM tool we are getting one wide band from 15.27 to 16.51 GHz with resonant frequency at 15.8 GHz. Return loss at this frequency is -25 dB. Gain and directivity at the resonant frequency are 4.45 dB and 5.17 dBi respectively. Radiation efficiency of this antenna is 84.8%. The VSWR ≤ 1.1 for the resonant frequency. The low profile nature and simple configuration of antennas show the way to easy fabrication. The proposed antenna is operating in wide range of Ku-band which includes different satellite applications (Fixed satellite, Mobile satellite, aeronautical radio navigation, space research, radiolocation etc.).
采用缺陷贴片和地的宽ku波段微带贴片天线
提出了一种新型的结构简单、结构紧凑的宽ku波段微带贴片天线。采用缺陷贴片和接地设计实现宽带。天线设计在介电常数为4.9、厚度为1 mm的FR-4衬底上,整体尺寸为17 × 17 × 1.07 mm3,贴片尺寸为13 × 11 × 0.035 mm3。利用商用计算机仿真技术微波工作室(CST MWS)对所提出天线的回波损耗、驻波比和辐射方向图(增益、指向性和效率)进行了仿真和分析。利用上述仿真工具对该天线结构进行仿真,得到15.27 ~ 16.51 GHz宽频带,谐振频率为15.8 GHz。此频率的回波损耗为- 25db。谐振频率处的增益和指向性分别为4.45 dB和5.17 dBi。该天线的辐射效率为84.8%。谐振频率的驻波比≤1.1。天线的低姿态和简单的结构显示了易于制造的方式。该天线可在广泛的ku波段工作,包括不同的卫星应用(固定卫星、移动卫星、航空无线电导航、空间研究、无线电定位等)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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