Benvenuti nell'Anagrafe della Ricerca d'Ateneo
La valutazione delle attività di ricerca che si svolgono nelle università ha assunto un'importanza rilevante sia per l'intero sistema universitario sia all'interno di ogni singolo ateneo. Roma Tre si è quindi dotata di idonei strumenti informativi in grado di supportare al meglio le azioni di monitoraggio e di valutazione delle attività di ricerca svolte nei propri dipartimentied ha realizzato una Anagrafe della Ricerca di Ateneo.
EnglishWe propose a novel microstrip leaky-wave antenna, based on a multiple-ring ('bull-eye') structure, with a high radiation efficiency and reduced edge-diffraction effects. Such favorable properties are achieved by properly choosing the relevant physical and geometrical parameters in order to operate the antenna in a frequency range in which no surface wave may propagate and the only physical leaky wave is the fundamental TM0 mode. A directive conical radiation pattern, frequency-scannable in a wide angular region, is thereby achieved. Numerical results on dispersion properties of the involved TM and TE modes and full-wave simulations of representative structures are provided to demonstrate the feasibility of the proposed design.
| Titolo: | A novel printed leaky-wave ‘Bull-Eye’ antenna with suppressed surface-wave excitation |
| Autori: | |
| Data di pubblicazione: | 2004 |
| Citazione: | Baccarelli, P. (2004). A novel printed leaky-wave ‘Bull-Eye’ antenna with suppressed surface-wave excitation. In Digest 2004 IEEE AP-S International Symposium on Antennas and Propagation (pp.1078-1081). NEW YORK : IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA. |
| Abstract: | We propose a novel microstrip leaky-wave antenna, based on a multiple-ring ('bull-eye') structure, with a high radiation efficiency and reduced edge-diffraction effects. Such favorable properties are achieved by properly choosing the relevant physical and geometrical parameters in order to operate the antenna in a frequency range in which no surface wave may propagate and the only physical leaky wave is the fundamental TM0 mode. A directive conical radiation pattern, frequency-scannable in a wide angular region, is thereby achieved. Numerical results on dispersion properties of the involved TM and TE modes and full-wave simulations of representative structures are provided to demonstrate the feasibility of the proposed design. |
| Handle: | http://hdl.handle.net/11590/327868 |
| ISBN: | 9780780383029 |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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