Input impedance characteristics of microstrip antennas on hemispherical multilayer structures

Author

Giang, T.V.B.

Author_Institution

Coll. of Technol. (ColTech), Vietnam Nat. Univ., Hanoi (VNU), Hanoi, Vietnam

fYear

2009

fDate

12-14 Oct. 2009

Firstpage

211

Lastpage

214

Abstract

The recently developed method for the analysis of microstrip antennas on hemispherical structures has been applied to derive the input impedance characteristics of quasi-rectangular microstrip antennas. By using corresponding full-wave equivalent circuits, the dyadic Green´s functions of this structure and the system equation for the tangential field components at the interfaces can be analytically derived in a simple way. The Galerkin method-of-moments approach is used to solve the unknown current distribution on the patch, where the system equation involving the impedance matrix and the excitation vector can be set up and solved in the spectral domain. The computation data is verified with commercial software codes. Some advantages over commercial codes are also given.

Keywords

Galerkin method; Green´s function methods; codes; matrix algebra; method of moments; microstrip antennas; Galerkin method-of-moments approach; commercial software codes; dyadic Green functions; excitation vector; full-wave equivalent circuits; hemispherical multilayer structures; impedance matrix; input impedance characteristics; quasi-rectangular microstrip antennas; tangential field components; Current distribution; Dielectric substrates; Equations; Equivalent circuits; Green´s function methods; Impedance; Microstrip antennas; Moment methods; Nonhomogeneous media; Transmission line matrix methods;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Technologies for Communications, 2009. ATC '09. International Conference on

Conference_Location

Hai Phong

Print_ISBN

978-1-4244-5139-5

Type

conf

DOI

10.1109/ATC.2009.5349512

Filename

5349512