在相同相对介电常数情况下不同厚度的微带贴片天线设计与仿真验证
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河海大学计算机与信息学院 南京 210096

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TN826; TP15

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Design,simulation and verification of the microstrip patch antennas with the same relative dielectric constant and different thicknesses
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College of Computer and Information, Hohai University, Nanjing 210096, China

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    摘要:

    微带贴片天线的基板材料的相对介电常数和介质板厚度是影响天线性能的重要因素。为了验证在相同相对介电常数的情况下,改变介质基板的不同的厚度时微带矩形贴片天线的阻抗带宽的变化,通过HFSS软件设计和仿真了工作频率为1.95 GHz的4个矩形微带贴片天线,相对介电常数均为2.2,介质基板厚度分别设计为0.8、1.6、2.4、3.2 mm,比较其各自的S参数、方向图,通过仿真结果验证了相关文献所述的对于在给定的频率下,选用相同的基板材料时,厚度增大时阻抗带宽会变大的说法。

    Abstract:

    The dielectric constant and the substrate thickness are the important factors which affect the performance of antenna. In order to verify the change in the impedance bandwidth of the microstrip rectangular patch antenna when varying the thickness of the dielectric substrate in the case of the same relative permittivity.In this paper, four rectangular microstrip patch antennas with operating frequency of 1.95 GHz are designed and simulated by using HFSS. The relative permittivity is 2.2, and the thicknesses of dielectric substratesare 0.8, 1.6, 2.4, 3.2 mm.Comparisonhas been made between the four different patch antennas, such as Sparameters chart and pattern. The simulation resultsverify thatat a given frequency, when choosing the same substrate material, the impedance bandwidth is increases when the thickness increasesas described in the related literature.

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潘进勇,薛团结,孙蔓.在相同相对介电常数情况下不同厚度的微带贴片天线设计与仿真验证[J].电子测量技术,2017,40(11):120-123

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  • 在线发布日期: 2018-01-02
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