A Design Strategy for Large Dielectric Radome Compensated Joints

The joint of a large dielectric radome is described in terms of an equivalent transmission-line circuit thanks to the introduction of an equivalent periodic structure and by Floquet's modal analysis. In this framework, all the dielectric layers are modeled with their corresponding generalized s...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2009, Vol.8, p.546-549
Main Authors: Virone, G., Tascone, R., Addamo, G., Peverini, O.A.
Format: Article
Language:English
Subjects:
Admittance
Antennas
Circuits
Compensation
Dielectric measurements
Dielectrics
Equivalence
Frequency selective surfaces
induced field ratio (IFR)
joint tuning
Mathematical models
Matrices
Modal analysis
Periodic structures
Polarization
Prototypes
Radomes
Scattering
Transmission line matrix methods
Transmission lines
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Summary:The joint of a large dielectric radome is described in terms of an equivalent transmission-line circuit thanks to the introduction of an equivalent periodic structure and by Floquet's modal analysis. In this framework, all the dielectric layers are modeled with their corresponding generalized scattering matrices, and the compensation grid is described as a parallel lumped admittance. Its value is the design parameter used to obtain the joint compensation. The measurements on a C-band prototype show a significant compensation effect for both polarizations.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2009.2021496