微带贴片天线微型化新技术:弯曲折叠短贴片天线

A. Holub, Milan Polivka
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引用次数: 36

摘要

介绍了一种基于多层弯曲折叠短贴片结构的微带贴片天线小型化技术。该技术能够将原始的短(四分之一波长)贴片尺寸减小l/N,其中N是在地平面上方垂直放置的贴片的数量,同时保持四分之一波长的谐振长度。从天线结构内部的电场分布和天线导电部分的表面电流分布两方面解释了天线的工作原理。小型化贴片的两种变体,其占地尺寸近似。对~ lambda0/12和lambda0/16进行了仿真、实现和测量。
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A Novel Microstrip Patch Antenna Miniaturization Technique: A Meanderly Folded Shorted-Patch Antenna
A novel microstrip patch antenna miniaturization technique based on multilayer meanderly folded shorted- patch structure is introduced. The technique enables a decrease of the original shorted (quarter-wavelength) patch dimension by the factor l/N where N is a number of vertically placed patch plates above the ground plane while maintaining a quarter wavelength resonant length. The antenna operational principle is explained via both E-field distribution inside the antenna structure and the surface current distribution on the conductive parts of the antenna. Two variants of the miniaturized patches with the footprint dimension approx. ~ lambda0/12 and lambda0/16 are simulated, realized and measured.
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