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Finite-difference time-domain analys...

Subedi, Purna Chandra.

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Finite-difference time-domain analysis of scattered electromagnetic waves for inclusion detection in arbitrary dielectric structures.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Finite-difference time-domain analysis of scattered electromagnetic waves for inclusion detection in arbitrary dielectric structures./
作者:	Subedi, Purna Chandra.
面頁冊數:	155 p.
附註:	Source: Dissertation Abstracts International, Volume: 56-03, Section: B, page: 1624.
Contained By:	Dissertation Abstracts International56-03B.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9524647

Finite-difference time-domain analysis of scattered electromagnetic waves for inclusion detection in arbitrary dielectric structures.
Subedi, Purna Chandra.

Finite-difference time-domain analysis of scattered electromagnetic waves for inclusion detection in arbitrary dielectric structures. - 155 p.

Source: Dissertation Abstracts International, Volume: 56-03, Section: B, page: 1624.

Thesis (Ph.D.)--University of Nevada, Reno, 1994.

Time and frequency domain far-field electric fields scattered by an arbitrary homogeneous dielectric structure containing various types and sizes of dielectric and/or metallic inclusions were computed using the Finite-Difference Time-Domain (FDTD) technique.Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Finite-difference time-domain analysis of scattered electromagnetic waves for inclusion detection in arbitrary dielectric structures.
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100 1 $a Subedi, Purna Chandra. $3 1929722
245 1 0 $a Finite-difference time-domain analysis of scattered electromagnetic waves for inclusion detection in arbitrary dielectric structures.
300 $a 155 p.
500 $a Source: Dissertation Abstracts International, Volume: 56-03, Section: B, page: 1624.
500 $a Adviser: Indira Chatterjee.
502 $a Thesis (Ph.D.)--University of Nevada, Reno, 1994.
520 $a Time and frequency domain far-field electric fields scattered by an arbitrary homogeneous dielectric structure containing various types and sizes of dielectric and/or metallic inclusions were computed using the Finite-Difference Time-Domain (FDTD) technique.
520 $a Calculations were first performed for an arbitrary homogeneous dielectric structure having uniform electrical properties. Using a sine-modulated Gaussian-pulse plane wave as the incident field, far-field time and frequency domain backscattered fields were computed. Far field patterns $) , $) , $) and $) were also computed. Next, dielectric inclusions having electrical properties different from the homogeneous structure were added to the homogeneous structure. The shape, size and location of these inclusions were varied. For each of these cases, far-field patterns $) , $) , $) and $) were computed following the same procedures as in the homogeneous case. Time and frequency domain backscattered electric fields were also computed. Similar computations were performed with the dielectric inclusions replaced by metallic inclusions. Additionally, fields were computed on nearby planes in free space with respect to time. These fields were translated into animations with a spectrum of colors representing the range of electric field strengths. This provided a means to visually examine the fields. These animations are available on video tape.
520 $a Analysis of the results in this study has shown the feasibility of remotely detecting the presence of inclusions in uniform dielectric structures by observing the changes in the scattered electric field patterns in the far-field region. These procedures can have possible applications in mining and geology for detecting various minerals in rocks.
590 $a School code: 0139.
650 4 $a Engineering, Electronics and Electrical. $3 626636
650 4 $a Physics, Electricity and Magnetism. $3 1019535
650 4 $a Physics, Radiation. $3 1019212
690 $a 0544
690 $a 0607
690 $a 0756
710 2 0 $a University of Nevada, Reno. $3 626634
773 0 $t Dissertation Abstracts International $g 56-03B.
790 1 0 $a Chatterjee, Indira, $e advisor
790 $a 0139
791 $a Ph.D.
792 $a 1994
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