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Longitudinal slotted waveguide array feed networks

Published online by Cambridge University Press:  05 March 2018

J. Soleiman Meiguni Open the ORCID record for J. Soleiman Meiguni [Opens in a new window] ,
S. Keshavarz Haddad  and
A. Hosseinbeig
J. Soleiman Meiguni*
Affiliation:
EMC-laboratory, Missouri University of Science and Technology, 4000 Enterprise Drive, Rolla, MO 65401, USA
S. Keshavarz Haddad
Affiliation:
Faculty of Electrical and Computer Engineering, Semnan University, Semnan 3513119111, Iran
A. Hosseinbeig
Affiliation:
EMC-laboratory, Missouri University of Science and Technology, 4000 Enterprise Drive, Rolla, MO 65401, USA
*
Author for correspondence: J. Soleiman Meiguni, E-mail: javad.meiguni@mst.edu
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Abstract

In this paper, two new feed network designs for single layer and double layer slotted waveguide array antennas are presented. A microstrip to substrate integrated waveguide transition is applied to the single layer antenna. The aperture coupling mechanism is used in order to find the optimum feed network for double-layer structure and to obtain stable radiation characteristics over the frequency band. The prototypes of the proposed antennas have been fabricated and tested. The measured results were compared very well with the simulation results obtained from CST microwave studio and showed low side lobe level at the center frequency of 11.5 GHz for the low-profile 4-channel slotted waveguide arrays.

Keywords

Feed networkSlotted array antennaSubstrate integrated waveguide
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 10 , Issue 4 , May 2018 , pp. 512 - 517
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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