Curve-fitting formulas for fast determination of accurate resonant frequency of circular microstrip patches

Q. Liu, W. C. Chew

Research output: Contribution to journalArticlepeer-review

Abstract

A further study is made of the resonant frequency of circular microstrip patches. Based on earlier work, the resonant frequency problem is formulated in terms of an integral equation. Galerkin's method is used to calculate the resonant frequencies of nonaxial symmetric modes in different circular microstrip patches. Using the database built by Galerkin's method, a curve-fitting formula is developed to reproduce the accurate resonant frequency rapidly. The accuracy of this formula is within 1.0%. This formula is useful for the computer-aided design of microstrip antennas and microwave integrated circuits.

Original languageEnglish (US)
Pages (from-to)289-292
Number of pages4
JournalIEE Proceedings H: Microwaves, Antennas and Propagation
Volume135
Issue number5
DOIs
StatePublished - Jan 1 1988

ASJC Scopus subject areas

  • Engineering(all)

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