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A closed‐form analysis of printed wide‐slot antennas
Author(s) -
Ge Yuehe,
Esselle Karu P.
Publication year - 2003
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.10098
Subject(s) - method of moments (probability theory) , microstrip , microstrip antenna , microwave , integral equation , matrix (chemical analysis) , key (lock) , line (geometry) , closed form expression , antenna (radio) , mathematical analysis , mathematics , computer science , electronic engineering , geometry , engineering , telecommunications , materials science , statistics , computer security , estimator , composite material
A mixed‐potential integral equation is formulated for the wide‐slot antenna, fed by a microstrip line, and solved using the method of moments (MoM). Our MoM implementation makes use of the Ge and Esselle (G–E) closed‐form Green's functions for layered substrates. The key advantage of this new approach is that all the MoM matrix elements are evaluated using closed‐form expressions, without any numerical integration, and with minimal approximations. Hence a significant increase in computational efficiency has been achieved while maintaining the high precision of the full‐wave MoM. The numerical results obtained from the new method are compared with measured results, and good agreements are observed. © 2003 Wiley Periodicals, Inc. Int J RF and Microwave CAE 13, 389–397, 2003.