Citas bibligráficas
Valencia, J., (2021). New Wide-Band Capacitive Filter Structures in Rectangular Waveguide Technology with Enhanced Out-of-Band Response [Universidad Politécnica de Valencia]. https://renati.sunedu.gob.pe/handle/sunedu/3382010http://hdl.handle.net/10251/180198
Valencia, J., New Wide-Band Capacitive Filter Structures in Rectangular Waveguide Technology with Enhanced Out-of-Band Response []. ES: Universidad Politécnica de Valencia; 2021. https://renati.sunedu.gob.pe/handle/sunedu/3382010http://hdl.handle.net/10251/180198
@phdthesis{renati/6640,
title = "New Wide-Band Capacitive Filter Structures in Rectangular Waveguide Technology with Enhanced Out-of-Band Response",
author = "Valencia Sullca, Joaquín Francisco",
publisher = "Universidad Politécnica de Valencia",
year = "2021"
}
The main objective of this doctoral thesis is the development of new capacitive filtering structures in rectangular waveguide that are able to provide wide bandwidths in the pass-band and improve, at the same time, the out-of-band response. These new guided structures have been developed in order to offer new technological solutions for high-frequency microwave filters, with a variety of different transfer functions, addressing specifically the needs of future telecommunication systems for both ground and space applications. In this context, therefore, we discuss in this document the study, design and manufacture of several types of microwave filter in rectangular waveguide that show a significant improvement with respect to the state-of-the-art. The new solutions that we propose are obtained by introducing simple modifications in the structure of classic microwave filters. Several techniques based on hybrid irises, stepped impedance resonators, staircase configuration and E-plane T-junctions with shorted stubs or manifold connections, are successfully used in order to meet the very demanding specifications of future systems for both ground and space applications. Furthermore, an additional current challenge faced by all designers of microwave components is the need to reduce both their physical size and mass (or weight). To address this issue, we discuss in this document the use of resonant apertures in rectangular waveguide, introducing a new family of filters which can be used to implement complex single and dual-band transfer functions with significant size and mass reduction. In the following chapters of this doctoral thesis, each subject is discussed in detail including the basic theoretical formulations, design procedures, the results of full-wave electromagnetic simulations, manufacturing considerations, and the measured performance of a number of prototypes. Excellent agreement is found in all cases between measurement and simulations, thereby fully validating both the novel structures discussed and their design procedures.
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ValenciaSullcaJF_Dr.pdf Acceso restringido | Tesis (restringida) | 9.8 MB | Adobe PDF | Visualizar/Abrir Solicita una copia |
Autorizacion.pdf Acceso restringido | Autorización del registro | 372.07 kB | Adobe PDF | Visualizar/Abrir Solicita una copia |
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