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Numerical characterization of electr...

Zhang, Lijun.

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Numerical characterization of electromagnetic band gap materials and applications in printed antennas and arrays.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Numerical characterization of electromagnetic band gap materials and applications in printed antennas and arrays./
作者:	Zhang, Lijun.
面頁冊數:	143 p.
附註:	Chairs: Nicolaos G. Alexopoulos; Eli Yablonovitch.
Contained By:	Dissertation Abstracts International61-06B.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9976259
ISBN:	0599819669

Numerical characterization of electromagnetic band gap materials and applications in printed antennas and arrays.
Zhang, Lijun.

Numerical characterization of electromagnetic band gap materials and applications in printed antennas and arrays. - 143 p.

Chairs: Nicolaos G. Alexopoulos; Eli Yablonovitch.

Thesis (Ph.D.)--University of California, Los Angeles, 2000.

It is also found that a PBG material can eliminate the scan blindness effect for printed phased arrays. A waveguide simulator experiment and FDTD waveguide simulation agree well with the MoM calculation, which verifies this finding.

ISBN: 0599819669Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Numerical characterization of electromagnetic band gap materials and applications in printed antennas and arrays.
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100 1 $a Zhang, Lijun. $3 1253132
245 1 0 $a Numerical characterization of electromagnetic band gap materials and applications in printed antennas and arrays.
300 $a 143 p.
500 $a Chairs: Nicolaos G. Alexopoulos; Eli Yablonovitch.
500 $a Source: Dissertation Abstracts International, Volume: 61-06, Section: B, page: 3220.
502 $a Thesis (Ph.D.)--University of California, Los Angeles, 2000.
520 $a It is also found that a PBG material can eliminate the scan blindness effect for printed phased arrays. A waveguide simulator experiment and FDTD waveguide simulation agree well with the MoM calculation, which verifies this finding.
520 $a The research work presented in this dissertation covers both the numerical modeling and fundamental understanding of the PBG (EBG) materials and the practical applications in printed antennas as well. The first part of this dissertation is devoted to the development of a variety of full wave electromagnetic modeling codes. The three sets of numerical codes including the FE-IEM, the FE-PML and MoM are used alternatively to analyze various types of PBG materials. The advantages and disadvantages are discussed in detail, and the formulation for each method is presented.
520 $a Using the three sets of numerical codes, various kinds of PBG materials including a substrate with air holes, a substrate with metal blocks inside and the mushroom type patch-via structures are analyzed. The understanding of the patch-via PBG material is discussed in detail and the design steps are outlined. The possibility of using a ferrite substrate to tune the band-gap of PBG materials is also investigated. It is found that the band-gap can be tuned inside a certain range of bias magnetic field.
520 $a The applications of PBG substrates in printed antenna design is studied. For a single antenna element on a PBG substrate, it is found that inside the band-gap of the material, the fields are mainly localized around the excitation point, and are gradually attenuated through the PBG lattice. This makes the PBG substrate superior to conventional dielectric substrate which supports surface waves. Antenna arrays printed on PBG substrate will have smaller mutual coupling level than those printed on a conventional substrate.
590 $a School code: 0031.
650 4 $a Engineering, Electronics and Electrical. $3 626636
650 4 $a Physics, Radiation. $3 1019212
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710 2 0 $a University of California, Los Angeles. $3 626622
773 0 $t Dissertation Abstracts International $g 61-06B.
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790 1 0 $a Alexopoulos, Nicolaos G., $e advisor
790 1 0 $a Yablonovitch, Eli, $e advisor
791 $a Ph.D.
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