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A micromagnetic model of barium ferrites for microwave circulator design /Xie, Feng. January 1900 (has links)
Thesis (Ph. D., Electrical Engineering)--University of Idaho, July 2006. / Major professor: Richard B. Wells. Includes bibliographical references (leaves 65-69). Also available online (PDF file) by subscription or by purchasing the individual file.
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Field theory analysis of rectangular and circular waveguide discontinuities for filters, multiplexers and matching networksVarailhon de la Filolie, Benoît 04 July 2018 (has links)
Progress in integrating microwave circuits depends largely on the development of computationally effective and accurate numerical methods. These methods allow a miniaturization of microwave components and their utilization at higher frequency.
In this thesis, the application of the mode matching method is described as well as their modification to different kinds of structure in rectangular and circular waveguides. The task is to design and optimize filters, multiplexers and impedance matching networks. In its most general form, the mode matching method at waveguide discontinuities requires the matching of four field components. However, to improve computational efficiency, the effect of matching only two field components (versus four field components) is investigated and successfully exploited for selected discontinuities.
To satisfy space requirements, low loss, compact, and lightweight diplexer, triplexer and quadriplexer structures in rectangular waveguide technology are designed and optimized. The analysis is made possible by decomposing the structure into simple discontinuity sections such as discontinuity in width, height or bi- and tri-furcations.
Three different types of discontinuities in coaxial waveguide are investigated: the outer step, the inner step and the gap discontinuities. By cascading such discontinuities, filters or matching networks can be obtained.
Finally, a new type of circular waveguide bandpass filter using printed metal inserts is developed and designed in Ka-band. A comparison between theoretical results and measurements shows excellent agreement. / Graduate
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A new finite element method for analysis of H-plane waveguide junctions /Froncioni, Andy M. January 1988 (has links)
No description available.
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A new finite element method for analysis of H-plane waveguide junctions /Froncioni, Andy M. January 1988 (has links)
No description available.
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Vectorial finite element analysis of E-plane waveguide junctionsKanellopoulos, Vassilios N. January 1987 (has links)
No description available.
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Pitch filtering in adaptive predictive coding of speechRamachandran, Ravi P. January 1986 (has links)
No description available.
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Electromagnetic modal analysis of circular-rectangular waveguide structures for combline filter design /Wang, Haiyin. Litva, J. Wu, Ke-Li, January 1900 (has links)
Thesis (Ph.D.)--McMaster University, 2002. / Advisors: Dr. John Litva, Dr. Ke-Li Wu. Includes bibliographical references (leaves 106-115). Also available via World Wide Web.
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Electromagnetic modal analysis of circular-rectangular waveguide structures for combline filter design /Wang, Haiyin. Litva, J. Wu, Ke-Li, January 1900 (has links)
Thesis (Ph.D.)--McMaster University, 2002. / Advisors: Dr. John Litva, Dr. Ke-Li Wu. Includes bibliographical references (leaves 106-115). Also available via World Wide Web.
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Silicon cross-connect filters and switches using microring resonator coupled multimode-interference-based waveguide crossings /Xu, Fang. January 2008 (has links)
Thesis (M.Phil.)--Hong Kong University of Science and Technology, 2008. / Includes bibliographical references (leaves 94-101). Also available in electronic version.
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Circular microresonator cross-connect filters and hexagonal microresonator add-drop filters in silicon nitride /Zheng, Shengmei. January 2005 (has links)
Thesis (M.Phil.)--Hong Kong University of Science and Technology, 2005. / Includes bibliographical references (leaves 115-121). Also available in electronic version.
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