Analysis of a Conformal Archimedean Spiral Antenna Printed Within Layered Dielectric Cylindrical Media Using the Method of Moments

A method of moments analysis of a conformal Archimedean spiral antenna is presented where the spiral is printed on a grounded cylindrical substrate with a superstrate. The layered cylindrical media are modelled using dyadic Green's functions in conjunction with novel asymptotic expressions to a...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2012-08, Vol.60 (8), p.3967-3971
Main Authors: Wu, J., Khamas, S. K., Cook, G. G.
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Applied sciences
Asymptotic properties
Conformal spiral antenna
Constraining
Convergence
cylindrical antennas
dyadic Green's function
Equivalence
Exact sciences and technology
Green's function methods
Impedance
Media
Method of moments
method of moments (MoM)
Moment methods
multilayered media
Phase measurement
Radiocommunications
Spiral antennas
Spirals
Telecommunications
Telecommunications and information theory
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Summary:A method of moments analysis of a conformal Archimedean spiral antenna is presented where the spiral is printed on a grounded cylindrical substrate with a superstrate. The layered cylindrical media are modelled using dyadic Green's functions in conjunction with novel asymptotic expressions to accelerate convergence. The results are validated against the limiting case of an equivalent planar structure as well as those obtained using commercial software.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2012.2201117