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Investigation of Transverse Electric and Transverse Magnetic Modes in Microstrip Patch Antennas.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Investigation of Transverse Electric and Transverse Magnetic Modes in Microstrip Patch Antennas./
作者:	Mitha, Tanzeela.
面頁冊數:	1 online resource (96 pages)
附註:	Source: Masters Abstracts International, Volume: 57-06.
Contained By:	Masters Abstracts International57-06(E).
標題:	Electrical engineering. -
電子資源:	click for full text (PQDT)
ISBN:	9780438078574

Investigation of Transverse Electric and Transverse Magnetic Modes in Microstrip Patch Antennas.
Mitha, Tanzeela.

Investigation of Transverse Electric and Transverse Magnetic Modes in Microstrip Patch Antennas. - 1 online resource (96 pages)

Source: Masters Abstracts International, Volume: 57-06.

Thesis (M.S.E.)--The University of Alabama in Huntsville, 2018.

Includes bibliographical references

Microstrip patch antennas are light weight and low cost antennas that are generally made of perfect electric conducting (PEC) materials and excite the transverse magnetic (TM) modes, when supported by a thin dielectric slab. In this thesis, a new type of patch antennas is investigated to excite the transverse electric (TE) modes, based on electromagnetic duality theorem. To this end, new sets of boundary conditions are enforced through utilizing perfect magnetic conductors (PMC) instead of PEC. That is, the zero-impedance PECs are replaced with high-impedance PMCs. Since a PMC does not exist in nature, artificial magnetic conductors (AMC), based on unipolar compact photonic bandgap (UC-PBG) unit cells, are employed both in the patch and the ground plane to excite the TE modes in microstrip patch antennas. The UC-PBG unit cells are high impedance surfaces that mimic the properties of perfect magnetic conductors. The impedance and radiation properties of this antenna are compared to those of a conventional microstrip patch antenna that excites the dominant TM mode. Different ground plane sizes are investigated and compared for both PEC and PMC antennas. In order to overcome the narrowband characteristic observed in microstrip patch antennas, conformal wideband PEC antennas with a U-slot are studied and designed. Based on this idea, a new wideband antenna that excites the dominant TE mode is investigated. It is found that the AMC microstrip patch antennas are smaller in size compared to the conventional PEC patch antennas. They also suppress the unwanted surface waves, which cause spurious radiation, and thus provide electrical isolation from the surrounding circuits. The latter is quite beneficial in phased array antennas to reduce mutual couplings between neighboring elements. Therefore, the PMC patch antennas may outperform their PEC counterparts in applications, where size, surface waves, and isolation are of primary concern.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9780438078574Subjects--Topical Terms:

596380
Electrical engineering.
Index Terms--Genre/Form:

554714
Electronic books.

Investigation of Transverse Electric and Transverse Magnetic Modes in Microstrip Patch Antennas.
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500 $a Source: Masters Abstracts International, Volume: 57-06.
500 $a Adviser: Maria Pour.
502 $a Thesis (M.S.E.)--The University of Alabama in Huntsville, 2018.
504 $a Includes bibliographical references
520 $a Microstrip patch antennas are light weight and low cost antennas that are generally made of perfect electric conducting (PEC) materials and excite the transverse magnetic (TM) modes, when supported by a thin dielectric slab. In this thesis, a new type of patch antennas is investigated to excite the transverse electric (TE) modes, based on electromagnetic duality theorem. To this end, new sets of boundary conditions are enforced through utilizing perfect magnetic conductors (PMC) instead of PEC. That is, the zero-impedance PECs are replaced with high-impedance PMCs. Since a PMC does not exist in nature, artificial magnetic conductors (AMC), based on unipolar compact photonic bandgap (UC-PBG) unit cells, are employed both in the patch and the ground plane to excite the TE modes in microstrip patch antennas. The UC-PBG unit cells are high impedance surfaces that mimic the properties of perfect magnetic conductors. The impedance and radiation properties of this antenna are compared to those of a conventional microstrip patch antenna that excites the dominant TM mode. Different ground plane sizes are investigated and compared for both PEC and PMC antennas. In order to overcome the narrowband characteristic observed in microstrip patch antennas, conformal wideband PEC antennas with a U-slot are studied and designed. Based on this idea, a new wideband antenna that excites the dominant TE mode is investigated. It is found that the AMC microstrip patch antennas are smaller in size compared to the conventional PEC patch antennas. They also suppress the unwanted surface waves, which cause spurious radiation, and thus provide electrical isolation from the surrounding circuits. The latter is quite beneficial in phased array antennas to reduce mutual couplings between neighboring elements. Therefore, the PMC patch antennas may outperform their PEC counterparts in applications, where size, surface waves, and isolation are of primary concern.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Electrical engineering. $3 596380
650 4 $a Engineering. $3 561152
655 7 $a Electronic books. $2 local $3 554714
690 $a 0544
690 $a 0537
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710 2 $a The University of Alabama in Huntsville. $b Electrical and Computer Engineering. $3 1182201
773 0 $t Masters Abstracts International $g 57-06(E).
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