UNIVERSIDAD CARLOS III DE MADRID TESIS DOCTORAL Ultra-Wideband Phased Array Antennas for Low-Frequency Radio Astronomy Autor: Eloy de Lera Acedo Director/es: Dr. Luis Enrique García Muñoz Dr. Peter James Duffett-Smith DEPARTAMENTO DE TEORÍA DE LA SEÑAL Y COMUNICACIONES Leganés, Enero 2010 TESIS DOCTORAL ULTRA-WIDEBAND PHASED ARRAY ANTENNAS FOR LOW-FREQUENCY RADIO ASTRONOMY Autor: Eloy de Lera Acedo Director/es: Dr. Luis Enrique García Muñoz Dr. Peter James Duffett-Smith Firma del Tribunal Calificador: Firma Presidente: Vocal: Vocal: Vocal: Secretario: Calificación: Leganés, de de Ultra-Wideband Phased Array Antennas for Low-Frequency Radio Astronomy Copyright ' 2010 by Eloy de Lera Acedo. All rights reserved. Ultra-Wideband Phased Array Antennas for Low-Frequency Radio Astronomy A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY By Eloy de Lera Acedo Signal Theory and Communications Department, University Carlos III of Madrid. Astrophysics Group - Physics Department, University of Cambridge. January 2010 Supervisors: Dr. Luis Enrique Garc(cid:237)a Muæoz University Carlos III of Madrid, Spain Dr. Peter James Du(cid:27)ett-Smith University of Cambridge, UK "It is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring" - Carl Sagan About the Author Eloy de Lera Acedo ([email protected]) was born in Spain in 1982. He received the M.Sc. degree in electrical engineering (best graduate of the year distinction) from University Carlos III of Madrid in 2005. Then he started working toward the Ph.D. degree in telecommunications at the same university. From 2006 to 2007 he worked at the Yebes Astronomical Center and stayed at the Netherlands Institute for Radio Astronomy (ASTRON) working in the design of array antennas for radio astronomy. Since 2007 he has a position in the Cavendish Laboratory, University of Cambridge. His main research interests include ultra-wideband array antennas as well as radio astronomy receivers. i ii
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