An Accurate Edge Extension Formula for Calculating Resonant Frequency of Electrically Thin and Thick Rectangular Patch Antennas With and Without Air Gaps | Zendy

Zhongbao Wang | Zendy; Xiaofeng Li | Zendy; Shaojun Fang | Zendy; Yuanan Liu | Zendy

Open Access

An Accurate Edge Extension Formula for Calculating Resonant Frequency of Electrically Thin and Thick Rectangular Patch Antennas With and Without Air Gaps

Author(s) -

Zhongbao Wang,

Xiaofeng Li,

Shaojun Fang,

Yuanan Liu

Publication year - 2016

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2016.2565684

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A new and accurate edge extension formula based on the Taguchi method is proposed to calculate the resonant frequency of electrically thin and thick rectangular patch antennas with an air gap (RPAAG) and rectangular patch antennas without an air gap. Based on 3205 antennas data random distribution in the electrical substrate thickness h/λ_d ranging from 0.001 to 0.2 and the dielectric constant ranging from 1.0 to 10.2, the edge extension formula is created with the Taguchi method. The resonant frequencies predicted using the proposed formula are in better agreement with simulated and measured results than those calculated with the existing formulas in other literatures, especially for electrically thick substrates. Furthermore, experimental results for the RPAAG are given, which shows that h/λ_d should be less than 0.13 in the design of a capacitively fed RPAAG.

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