广东工业大学学报 ›› 2011, Vol. 28 ›› Issue (1): 28-31.
摘要: 运用腔模理论,结合多馈点网络和表面开槽技术,提出了一种新型、高效的层叠结构的GPS微带天线.时域有限差分法(FDTD)模拟仿真表明,该设计通过改变贴片以及其上所附加调节枝节的尺寸,使电场强度重新分布,可实现在所需工作频率点的谐振.同时,上层寄生单元上开孔,在提高天线辐射场的对称性的同时,有效地提高了天线的辐射效率.在通信波长范围,该设计结构尺寸小、频带宽、易于实现双频圆极化,在无线通信领域具有重要的发展前景.
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