Universiti Teknologi Malaysia Institutional Repository

The study of wet antenna effects on microwave propagation

Islam, Md. Rafiqul and A. Rahman, Tharek and Chebil, Jalel and Din, Jafri (2008) The study of wet antenna effects on microwave propagation. In: Contemporary Studies On Rain Attenuation In Malaysia. Penerbit UTM, Johor, pp. 33-42. ISBN 978-983-52-0686-3

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Affect of rain on radome surface or on the parabolic reflector and on the feed window is considerable at higher frequencies, depending on antenna geometry, elevation angle and rain rate. Recent studies show that this loss is significant for the measurement of excess attenuation due to rain. But no physical or theoretical antenna wetting models are available at present for terrestrial line-of-sight links at 15 GHz to 38 GHz frequency range. Four experimental microwave links were installed at UTM Skudai campus for the measurement of attenuation due to rain in Malaysia. The diameters of all antennas are 0.6 m and the operating frequencies are 15, 23, 26 and 38 GHz bands. All antennas are horizontally polarized. Two of them are covered by radomes (26 and 38 GHz) and the rest two (15 and 23 GHz) are exposed to atmosphere. All antennas are parabolic in shape and are functioning as the receiver of a 300 m LOS terrestrial link.

Item Type:Book Section
Uncontrolled Keywords:kiv record
Subjects:T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:27854
Deposited By: Fazli Masari
Deposited On:27 Aug 2012 02:41
Last Modified:09 Oct 2017 07:22

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