Rigorous TE Solution to the Dielectric Wedge Antenna Fed by a Slab Waveguide
A rigorous TE solution to the dielectric wedge antenna fed by a slab waveguide of the same material is presented. The method of solution involves modeling the wedge as a sequence of step discontinuities and uses an iterative procedure to track forward and backward partial wave fields, expressed...
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my-inti-eprints.3182016-06-16T05:41:53Z http://eprints.intimal.edu.my/318/ Rigorous TE Solution to the Dielectric Wedge Antenna Fed by a Slab Waveguide Whitman, Gerald M. Pinthong, Chairat Chen, Wan-Yu Schwering, Felix K. TK Electrical engineering. Electronics Nuclear engineering A rigorous TE solution to the dielectric wedge antenna fed by a slab waveguide of the same material is presented. The method of solution involves modeling the wedge as a sequence of step discontinuities and uses an iterative procedure to track forward and backward partial wave fields, expressed as modal expansions, to obtain the rigorous field solution. Radiation patterns of directive gain are presented. All patterns smoothly decrease from a maximum in the endfire direction and exhibit extremely low side lobe levels. Longer length wedges or smaller dielectric constant materials are shown to produce higher directivity and smaller half-power beamwidths. For slender, gradually tapered wedges, the reflection coefficient of the guided (surface) wave at the input to the wedge is very small indicating a low VSWR for tapered dielectric antennas and there appears to be no gain limitation with antenna length for these antennas. IEEE 2006 Article PeerReviewed text en http://eprints.intimal.edu.my/318/1/2.pdf Whitman, Gerald M. and Pinthong, Chairat and Chen, Wan-Yu and Schwering, Felix K. (2006) Rigorous TE Solution to the Dielectric Wedge Antenna Fed by a Slab Waveguide. IEEE Transactions on Antennas and Propagation, 54 (1). pp. 101-114. ISSN 0018-926X 10.1109/TAP.2005.861533 |
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TK Electrical engineering. Electronics Nuclear engineering Whitman, Gerald M. Pinthong, Chairat Chen, Wan-Yu Schwering, Felix K. Rigorous TE Solution to the Dielectric Wedge Antenna Fed by a Slab Waveguide |
| description |
A rigorous TE solution to the dielectric wedge antenna
fed by a slab waveguide of the same material is presented.
The method of solution involves modeling the wedge as a sequence
of step discontinuities and uses an iterative procedure to track
forward and backward partial wave fields, expressed as modal expansions,
to obtain the rigorous field solution. Radiation patterns
of directive gain are presented. All patterns smoothly decrease
from a maximum in the endfire direction and exhibit extremely
low side lobe levels. Longer length wedges or smaller dielectric
constant materials are shown to produce higher directivity and
smaller half-power beamwidths. For slender, gradually tapered
wedges, the reflection coefficient of the guided (surface) wave
at the input to the wedge is very small indicating a low VSWR
for tapered dielectric antennas and there appears to be no gain
limitation with antenna length for these antennas. |
| format |
Article |
| author |
Whitman, Gerald M. Pinthong, Chairat Chen, Wan-Yu Schwering, Felix K. |
| author_facet |
Whitman, Gerald M. Pinthong, Chairat Chen, Wan-Yu Schwering, Felix K. |
| author_sort |
Whitman, Gerald M. |
| title |
Rigorous TE Solution to the Dielectric Wedge
Antenna Fed by a Slab Waveguide |
| title_short |
Rigorous TE Solution to the Dielectric Wedge
Antenna Fed by a Slab Waveguide |
| title_full |
Rigorous TE Solution to the Dielectric Wedge
Antenna Fed by a Slab Waveguide |
| title_fullStr |
Rigorous TE Solution to the Dielectric Wedge
Antenna Fed by a Slab Waveguide |
| title_full_unstemmed |
Rigorous TE Solution to the Dielectric Wedge
Antenna Fed by a Slab Waveguide |
| title_sort |
rigorous te solution to the dielectric wedge
antenna fed by a slab waveguide |
| publisher |
IEEE |
| publishDate |
2006 |
| url |
http://eprints.intimal.edu.my/318/1/2.pdf http://eprints.intimal.edu.my/318/ |
| _version_ |
1644541177360285696 |
| score |
13.244369 |