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An improved analysis procedure for planar waveguide slot arrays has been devised to evaluate the effect of the feeding T-junctions on the radiated far field. The T-junctions have been modelled as five-port networks. A hybrid matrix has been derived for each five-port network by analyzing the interaction between a T-junction and the slot couplers next to it with a method of moments (MoM) procedure. Then, the hybrid matrices have been properly inserted in the array equivalent circuit. The results of our model have been compared to those of a commercial software and with measured data, showing a very good agreement.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:11
)
Date of Publication: 2012
- Page(s):
- 953 - 956
- ISSN :
- 1536-1225
- Digital Object Identifier :
- 10.1109/LAWP.2012.2213233
- Date of Publication :
- 14 August 2012
- Date of Current Version :
- 27 August 2012
- Issue Date :
- 2012
- Sponsored by :
- IEEE Antennas and Propagation Society
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