Quasi-trapezoidal microstrip spherical patches and arrays

This study presents a full-wave analysis of quasi-trapezoidal microstrip spherical patches and arrays. It uses method of moments to evaluate the effect of the shape of the patches on the input impedance, bandwidth, mutual impedance, and radiation pattern. Arrays of quasi-trapezoidal patches are also...

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Bibliographic Details
Published in:IET microwaves, antennas & propagation antennas & propagation, 2016-01, Vol.10 (1), p.53-60
Main Authors: Costa, Leonardo A, Pereira-Filho, Odilon Maroja da Costa, Moreira, Fernando J.S
Format: Article
Language:English
Subjects:
antenna radiation patterns
Arrays
Bandwidth
bandwidth effect
Bessel functions
impedance matching
Input impedance
input impedance effect
Mathematical models
method of moment
method of moments
microstrip antenna arrays
Microwave antennas
Mutual impedance
Patch antennas
quasi‐trapezoidal microstrip spherical array
quasi‐trapezoidal microstrip spherical patch
radiation pattern
Schelkunoff Bessel functions
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Summary:This study presents a full-wave analysis of quasi-trapezoidal microstrip spherical patches and arrays. It uses method of moments to evaluate the effect of the shape of the patches on the input impedance, bandwidth, mutual impedance, and radiation pattern. Arrays of quasi-trapezoidal patches are also analysed. Presents a procedure for avoiding numerical problems on evaluating combinations of Schelkunoff Bessel functions. Results are compared with previously published ones for the quasi-rectangular case for validation.
ISSN:1751-8725
1751-8733
1751-8733
DOI:10.1049/iet-map.2015.0145