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- Title
Excitation of UHF radio waves in tunnels.
- Authors
Zhang, Y. P.; Zheng, G. X.; Sheng, J. H.
- Abstract
This letter deals with the excitation of UHF radio waves in tunnels. It is found that the antenna position and the antenna gain are two major factors that affect the excitation of radio waves in tunnels. The antenna in the middle position and with high gain is preferable. Furthermore, the enhancement of the radio signal levels in the NLOS region of the tunnel by a passive reflector is simulated. ©1999 John Wiley & Sons, Inc. Microwave Opt Technol Lett 22: 408–410, 1999
- Subjects
RADIO waves; SHORTWAVE radio; REFLECTOR antennas; ANTENNAS (Electronics); TUNNELS
- Publication
Microwave & Optical Technology Letters, 1999, Vol 22, Issue 6, p408
- ISSN
0895-2477
- Publication type
Article
- DOI
10.1002/(SICI)1098-2760(19990920)22:6<408::AID-MOP12>3.0.CO;2-T