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研究了不同阶数的Minkowski分形微带贴片天线的性能,给出了一种双层2阶Minkowski分形阅读器天线,仿真结果表明,天线在谐振频率点处具有良好的性能,且尺寸大小为30mm×30mm,与普通的方形贴片天线相比,其面积大约减少了43.75%,宽度减少了25%,具有较好的尺寸缩减特性,天线的性能和尺寸能满足手持RFID阅读器的要求。该天线设计具有结构简单、易于制作等特点,适合用于RFID阅读器天线的小型化设计。
The performance of Minkowski fractal microstrip patch antenna with different orders is studied, and a double-deck Minkowski fractal reader antenna is given. The simulation results show that the antenna has good performance at the resonance frequency and the size is 30mm × 30mm, compared with the ordinary square patch antenna, the area is reduced by about 43.75%, a 25% reduction in width, with good size reduction characteristics, antenna performance and size to meet the requirements of handheld RFID readers. The antenna design has the characteristics of simple structure and easy manufacture, and is suitable for the miniaturization design of the RFID reader antenna.