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EnglishLeaky-wave antennas (LWAs) have the ability to scan beam with frequency. However, the major limitation faced by most of the LWAs, particularly uniform LWAs, is their inability to scan beam through broadside. A method to achieve a continuous beam scan from backward to forward is discussed here. A substrate-integrated waveguide (SIW)-based structure is used for the study. The SIW-based LWA with only horizontal (longitudinal) slots is unable to scan the beam through the broadside due to an open stopband (OSB). The OSB is closed by using additional vertical (transverse) slots and groups of shorting vias. The simulated results show that the LWA can scan beam continuously from -47 to +27when frequency sweeps from 8.75 to 13 GHz.
One Dimensional Leaky-Wave Antennas with Continuous Scan of Radiating Beam / Karmokar, D. K.; Thalakotuna, D. N. P.; Matekovits, L.; Esselle, K. P.. - ELETTRONICO. - (2021), pp. 101-103. ((Intervento presentato al convegno 22nd International Conference on Electromagnetics in Advanced Applications, ICEAA 2021 tenutosi a Honolulu, HI, USA nel 9-13 Aug. 2021 [10.1109/ICEAA52647.2021.9539848].
| Titolo: | One Dimensional Leaky-Wave Antennas with Continuous Scan of Radiating Beam | |
| Autori: | ||
| Data di pubblicazione: | 2021 | |
| Abstract: | Leaky-wave antennas (LWAs) have the ability to scan beam with frequency. However, the major limit...ation faced by most of the LWAs, particularly uniform LWAs, is their inability to scan beam through broadside. A method to achieve a continuous beam scan from backward to forward is discussed here. A substrate-integrated waveguide (SIW)-based structure is used for the study. The SIW-based LWA with only horizontal (longitudinal) slots is unable to scan the beam through the broadside due to an open stopband (OSB). The OSB is closed by using additional vertical (transverse) slots and groups of shorting vias. The simulated results show that the LWA can scan beam continuously from -47 to +27when frequency sweeps from 8.75 to 13 GHz. | |
| ISBN: | 978-1-6654-1386-2 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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| File | Descrizione | Tipologia | Licenza | |
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| One_Dimensional_Leaky-Wave_Antennas_with_Continuous_Scan_of_Radiating_Beam.pdf | One_Dimensional_Leaky-Wave_Antennas_with_Continuous_Scan_of_Radiating_Beam | 2a Post-print versione editoriale / Version of Record | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
| 2021079664.pdf | postprint | 2. Post-print / Author's Accepted Manuscript | PUBBLICO - Tutti i diritti riservati | Visibile a tuttiVisualizza/Apri |
http://hdl.handle.net/11583/2948777
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