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Analysis and Design of Single-Point ...

Dorrah, Ayman Hassen.

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Analysis and Design of Single-Point Fed Transmission Line Grid 2D Dirac Leaky-Wave Antennas.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Analysis and Design of Single-Point Fed Transmission Line Grid 2D Dirac Leaky-Wave Antennas./
作者:	Dorrah, Ayman Hassen.
面頁冊數:	133 p.
附註:	Source: Masters Abstracts International, Volume: 55-05.
Contained By:	Masters Abstracts International55-05(E).
標題:	Electromagnetics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10129863
ISBN:	9781339877273

Analysis and Design of Single-Point Fed Transmission Line Grid 2D Dirac Leaky-Wave Antennas.
Dorrah, Ayman Hassen.

Analysis and Design of Single-Point Fed Transmission Line Grid 2D Dirac Leaky-Wave Antennas. - 133 p.

Source: Masters Abstracts International, Volume: 55-05.

Thesis (M.A.S.)--University of Toronto (Canada), 2016.

Leaky-wave antennas (LWAs) are widely used as single-point fed linear antenna arrays. The extension of LWAs to 2D means that they can be used as single-point fed 2D antenna arrays without requiring a complex feeding network. However, generating a pencil beam from 2D LWAs is not straightforward and due care has to be given to the LWA design. On the other hand, transmission line (TL) grids have demonstrated interesting behaviors, such as negative refractive index and growing of evanescent waves. In this thesis, single-point fed TL-grid 2D LWA designs are proposed that can generate pencil beams at both broadside and tilted angles. The TL-grid is analytically treated in light of the eigenmodes of the TL-grid unit cell, the scattering and impedance parameters and 2D dispersion relation. Additionally, TL-grids are shown to inherently exhibit an open bandgap in the dispersion relation and the TL-grid is perturbed to close this bandgap.

ISBN: 9781339877273Subjects--Topical Terms:

3173223
Electromagnetics.

Analysis and Design of Single-Point Fed Transmission Line Grid 2D Dirac Leaky-Wave Antennas.
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245 1 0 $a Analysis and Design of Single-Point Fed Transmission Line Grid 2D Dirac Leaky-Wave Antennas.
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500 $a Adviser: George V. Eleftheriades.
502 $a Thesis (M.A.S.)--University of Toronto (Canada), 2016.
520 $a Leaky-wave antennas (LWAs) are widely used as single-point fed linear antenna arrays. The extension of LWAs to 2D means that they can be used as single-point fed 2D antenna arrays without requiring a complex feeding network. However, generating a pencil beam from 2D LWAs is not straightforward and due care has to be given to the LWA design. On the other hand, transmission line (TL) grids have demonstrated interesting behaviors, such as negative refractive index and growing of evanescent waves. In this thesis, single-point fed TL-grid 2D LWA designs are proposed that can generate pencil beams at both broadside and tilted angles. The TL-grid is analytically treated in light of the eigenmodes of the TL-grid unit cell, the scattering and impedance parameters and 2D dispersion relation. Additionally, TL-grids are shown to inherently exhibit an open bandgap in the dispersion relation and the TL-grid is perturbed to close this bandgap.
590 $a School code: 0779.
650 4 $a Electromagnetics. $3 3173223
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