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Gain and bandwidth enhancement of New Planar microstrip array antennas geometry for C band weather radar applications

Published online by Cambridge University Press:  09 November 2016

Abdellatif Slimani ,
Saad Dosse Bennani ,
Ali El Alami  and
Mohamed Amellal
Abdellatif Slimani*
Affiliation:
University Sidi Mohamed Ben Abdellah, Faculty of Sciences and Technics, Morocco
Saad Dosse Bennani
Affiliation:
University Sidi Mohamed Ben Abdellah, National School of Applied Sciences, Morocco
Ali El Alami
Affiliation:
University Sidi Mohamed Ben Abdellah, Faculty of Sciences and Technics, Morocco
Mohamed Amellal
Affiliation:
Rennes Electronics and Telecommunications Institute, ESEO's research groups, France
*
Corresponding author: A. Slimani Email: [email protected]
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Abstract

A 4–8 GHz ultra wide band microstrip array antennas with improved gain for weather Radar applications was designed and fabricated. The microstrip radiating elements of the proposed array antennas are powered using a T-junction power divider with quarter wave-transformer impedance for a best matching. The design of this array antennas is based on the geometry of a linear array antennas well studied [ref (8)], which is based on minimizing of the electromagnetic (EM) coupling between the radiating elements and as decreasing the number of side lobes. The array antennas with dimension of (110 × 214 × 1.58 mm3) is fabricated on FR-4 epoxy dielectric with relative permittivity of 4.4 and thickness h = 1.58 mm, it is performed in the full-wave EM solver High Frequency Structure Simulator, CST and verified by measurement. The proposed broadband array antennas show a better performance than the references antennas in deferent parameter which cited after.

Keywords

Antenna designModeling and measurementsRadar applications
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 5 , June 2017 , pp. 1139 - 1146
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2016 

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References

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