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Relevant bibliographies by topics / Junction of waveguides / Dissertations / Theses

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Dissertations / Theses on the topic 'Junction of waveguides'

Author: Grafiati

Published: 26 January 2024

Last updated: 31 July 2025

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1

Chan, Kin Lung. "Modal analysis of elliptic waveguide junctions." Thesis, University of Hull, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389728.

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2

Swee-Ping, Yeo. "Characteristics of the symmetrical five-port waveguide junction." Thesis, University College London (University of London), 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431178.

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3

Kanellopoulos, Vassilios N. "Vectorial finite element analysis of E-plane waveguide junctions." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=64027.

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4

Froncioni, Andy M. "A new finite element method for analysis of H-plane waveguide junctions /." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63937.

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5

Fritsch, Jean-François. "Propagation des ondes dans les guides partiellement enfouis : résolution du problème direct et imagerie par méthode de type échantillonnage." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAE001.

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Ce travail de thèse porte sur le contrôle non destructif de structures élancées partiellement enfouies ou immergées, par exemple un câble d'acier partiellement enfoui dans du béton ou une plaque d'acier partiellement immergée dans du sodium liquide. Ces structures peuvent être vues comme la jonction d'un guide fermé et d'un guide ouvert. Pour effectuer des calculs, nous avons tronqué transversalement la partie ouverte de la structure avec des PML finies. Un guide partiellement enfoui peut alors être traité comme la jonction de deux guides fermés, dont la propagation des ondes dans l'un des gui

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6

Tong, Cheuk-yu. "Développement d'un récepteur millimétrique à base d'une structure diélectrique incorporant une jonction supraconductrice." Grenoble 1, 1988. http://www.theses.fr/1988GRE10138.

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Un nouveau recepteur millimetrique a base d'une combinaison integree: guide d'onde dielectrique non-rayonnant (nrd) modifie, a ete concu et teste aux longueurs d'onde de trois et un millimetre le recepteur comporte une jonction sis (supraconducteur-isolant-supraconducteur) ainsi qu'une structure de couplage originale qui couple l'energie du guide nrd a la jonction

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7

Gérard, Philippe. "Méthode modale généralisée pour l'étude de dispositifs d'optique intégrée : application : filtre microondes par voie optique." Grenoble INPG, 1994. http://www.theses.fr/1994INPG0061.

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Nous proposons une technique numerique originale appelee rsm pour la propagation d'un champ optique dans une structure dielectrique planaire sans pertes et de forme arbitraire. C'est une technique entierement modale dont la base de decomposition des champs est constituee des modes propres locaux guides et rayonnes de la structure. Elle cumule les avantages des diverses bpm mais s'en distingue par le fait qu'elle peut traiter des geometries des guides qui presentent des forts changements de direction, des fortes discontinuites d'indice et des effets de polarisation. Nous demontrons les potentia

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8

Chang, Chun-Huai, and 張峻槐. "Coplanar Waveguide to Slotline T-junction." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/07432188199755276724.

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碩士<br>國立臺灣大學<br>電機工程研究所<br>84<br>A simple model is proposed for an analysis of the coplanar waveguide to slotline T-junction. By the quasi-TEM assumption, the original inhomogeneous slotline structure containing the dielectric substrate can be replaced by an equivalent homogeneous one. By regarding the strip current of the coplanar waveguide as the fed current of the slotline, one may obtain the governing integral equation for the aperture field over the slot region of slotline. The Hallen'

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9

DENG, SHENG-MING, and 鄧聖明. "Analysis of H-plane tee-junction rectangular waveguide slot coupler." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/57952373253395561222.

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10

Cheng, Li-Chung, and 陳俐君. "A Study on Coplanar Waveguide Highpass Filter with T-Junction Structures." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/05359734964810854420.

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碩士<br>國立海洋大學<br>電機工程學系<br>86<br>Abstract In the design of highpass filter, the cutoff frequency, the insertion andreturn losses in the passband, and the attenuation slope in the stopband are important parameters to be considered. Moreover, the performances of filters can be improved if the planar structures are used. In this thesis, the conductor- backed coplanar waveguide structures are uesd to design the highpass filter with short circuit stubs and T-junction structu

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11

Wu, Jia-Lun, and 吳嘉倫. "Design of Q-Band Substrate Integrated Waveguide and Microstrip T-junction Diplexer." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/66391834876188057758.

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碩士<br>國立交通大學<br>電信工程研究所<br>104<br>The design of Q-Band Substrate Integrated Waveguide (SIW) microstrip T-junction diplexer is presented in this thesis. The SIW inductive-post coupled filter was used as channel filter. The microstrip T-junction is used to implement the diplexer. The advantages of mcicrostrip T-junction diplexer are its simple structure, easy to design, and compact size. In order to improve the isolation of the diplexer, a cross-coupled filter is adopted for the low frequency channel filter. The bandwidths and center frequencies of the diplexer are 6%, 38GHz, and 6%, 42GHz. The

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12

Chou, Tzu-Ping, and 周子蘋. "The Equivalent Circuit Extraction of Rectangular Waveguide T-Junction and Its Application to Band-Stop Filter Design." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/05024617928674326844.

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碩士<br>華梵大學<br>電子工程學系碩士班<br>96<br>This thesis is devoted to the extraction of the equivalent circuit of rectangular waveguide T-junction and its application to the design of bandstop filter. A method is first proposed to extract the equivalent circuit from the scattering parameters obtained from full-wave simulations. The database of the equivalent circuit of a series of T-junctions is then constructed. The design method of bandstop filter is developed based on this database. In this design method, the sizes related to the T-junctions are designed from the stopband specifications of the filter.

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13

Cheng, Chih-Chieh, and 鄭致杰. "Silicon Waveguide Modulators Incorporating the Hybrid Structures of Junction Field-Effect Transistors (JFET) and p-i-n Diodes." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/15274448837494195188.

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碩士<br>國立成功大學<br>微電子工程研究所碩博士班<br>96<br>We have fabricated and characterized a Si-based optical waveguide modulator working at the wavelength of 1.55 μm. It consists of a joint version of JFET and p-i-n diode structures integrated with a silicon rib waveguide on epitaxial Si wafers. Besides, the optical modulation mechanism was achieved via free carrier dispersion effect. Above all, the waveguide modulator successfully integrates the functions of optical and electronic devices altogether in a silicon substrate. The spin-on-dopant (SOD) method was utilized to define the p- and n-doped regions. Th

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14

Hsieh, An Hsiung, and 謝安雄. "Optical analysis of silicon microring electro-optic modulators based on a MOS-capacitor and a pn junction embedded in a rib waveguide." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/32306255343737938997.

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15

McPheeters, Claiborne Ott. "The application of light trapping structures and of InGaAs/GaAs quantum wells and quantum dots to improving the performance of single-junction GaAs solar cells." Thesis, 2012. http://hdl.handle.net/2152/ETD-UT-2012-05-5040.

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High efficiency photovoltaic solar cells are expected to continue to be important for a variety of terrestrial and space power applications. Solar cells made of optically thick materials often cannot meet the cost, efficiency, or physical requirements for specialized applications and, increasingly, for traditional applications. This dissertation investigates improving the performance of single-junction GaAs solar cells by incorporating InGaAs/GaAs quantum wells and quantum dots to increase their spectral response bandwidth, and by incorporating structures that confine light in the devices to i

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