Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region

The investigation of deriving the Z-γ (reflectivity-specific attenuation) relation is critical in the development of a novel rain attenuation prediction for a satellite link using radar information. Comparison between S-band radar derived reflectivity data and measured received power signals of X-ba...

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Main Authors:	Badron, Khairayu, Ismail, Ahmad Fadzil, Ismail, Maszlan, Salim, Hamid, Mustapha, Hafizah
Format:	Article
Language:	English English
Published:	American Scientific Publishers 2016
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://irep.iium.edu.my/56406/ http://irep.iium.edu.my/56406/ http://irep.iium.edu.my/56406/ http://irep.iium.edu.my/56406/1/56406_Derivation%20of%20Z-%CE%B3%20%28Reflectivity-specific%20attenuation%29%20relation%20for%20satellite%20link%20in%20tropical%20region_Scopus.pdf http://irep.iium.edu.my/56406/3/56406_Derivation%20of%20Z-%CE%B3%20%28Reflectivity-Specific%20Attenuation%29%20Relati...pdf

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spelling	iium-564062017-04-25T06:34:57Z http://irep.iium.edu.my/56406/ Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region Badron, Khairayu Ismail, Ahmad Fadzil Ismail, Maszlan Salim, Hamid Mustapha, Hafizah TK Electrical engineering. Electronics Nuclear engineering The investigation of deriving the Z-γ (reflectivity-specific attenuation) relation is critical in the development of a novel rain attenuation prediction for a satellite link using radar information. Comparison between S-band radar derived reflectivity data and measured received power signals of X-band RazakSAT’s Malaysian remote satellite link is presented. RazakSAT’s satellite link received power during clear sky and rainy conditions are compared to extract the rain attenuation values. The specific attenuation of the link can be derived from the rain attenuation values. The S-band radar with horizontal polarization reflectivity information was used to compare the likely rain attenuation along the same RazakSAT satellite propagation paths. Both reflectivity information and specific attenuation data are tabulated during the RazakSAT operation in 2009 to derive the relationship. Later, the radar reflectivity values, Z are converted into specific attenuation, γ using the derived relationship of the Z-γ to calculate the rain attenuation and fade margin for a slant path link. The current rain attenuation prediction is using point rainfall but in this technique the reflectivity values is being explored. The relationship is derived using similar path length, elevation angle, time and date from the RazakSAT link and the radar information for both stratiform and convective events. Therefore, the relationship can be a good landmark for the future engineers and researchers to estimate the rain attenuation using radar information. American Scientific Publishers 2016-10 Article PeerReviewed application/pdf en http://irep.iium.edu.my/56406/1/56406_Derivation%20of%20Z-%CE%B3%20%28Reflectivity-specific%20attenuation%29%20relation%20for%20satellite%20link%20in%20tropical%20region_Scopus.pdf application/pdf en http://irep.iium.edu.my/56406/3/56406_Derivation%20of%20Z-%CE%B3%20%28Reflectivity-Specific%20Attenuation%29%20Relati...pdf Badron, Khairayu and Ismail, Ahmad Fadzil and Ismail, Maszlan and Salim, Hamid and Mustapha, Hafizah (2016) Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region. Advanced Science Letters, 22 (10). pp. 2750-2753. ISSN 1936-6612 E-ISSN 1936-7317 http://www.ingentaconnect.com/content/asp/asl/2016/00000022/00000010/art00031 https://doi.org/10.1166/asl.2016.7090
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Badron, Khairayu Ismail, Ahmad Fadzil Ismail, Maszlan Salim, Hamid Mustapha, Hafizah Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region
description	The investigation of deriving the Z-γ (reflectivity-specific attenuation) relation is critical in the development of a novel rain attenuation prediction for a satellite link using radar information. Comparison between S-band radar derived reflectivity data and measured received power signals of X-band RazakSAT’s Malaysian remote satellite link is presented. RazakSAT’s satellite link received power during clear sky and rainy conditions are compared to extract the rain attenuation values. The specific attenuation of the link can be derived from the rain attenuation values. The S-band radar with horizontal polarization reflectivity information was used to compare the likely rain attenuation along the same RazakSAT satellite propagation paths. Both reflectivity information and specific attenuation data are tabulated during the RazakSAT operation in 2009 to derive the relationship. Later, the radar reflectivity values, Z are converted into specific attenuation, γ using the derived relationship of the Z-γ to calculate the rain attenuation and fade margin for a slant path link. The current rain attenuation prediction is using point rainfall but in this technique the reflectivity values is being explored. The relationship is derived using similar path length, elevation angle, time and date from the RazakSAT link and the radar information for both stratiform and convective events. Therefore, the relationship can be a good landmark for the future engineers and researchers to estimate the rain attenuation using radar information.
format	Article
author	Badron, Khairayu Ismail, Ahmad Fadzil Ismail, Maszlan Salim, Hamid Mustapha, Hafizah
author_facet	Badron, Khairayu Ismail, Ahmad Fadzil Ismail, Maszlan Salim, Hamid Mustapha, Hafizah
author_sort	Badron, Khairayu
title	Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region
title_short	Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region
title_full	Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region
title_fullStr	Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region
title_full_unstemmed	Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region
title_sort	derivation of z-γ (reflectivity-specific attenuation) relation for satellite link in tropical region
publisher	American Scientific Publishers
publishDate	2016
url	http://irep.iium.edu.my/56406/ http://irep.iium.edu.my/56406/ http://irep.iium.edu.my/56406/ http://irep.iium.edu.my/56406/1/56406_Derivation%20of%20Z-%CE%B3%20%28Reflectivity-specific%20attenuation%29%20relation%20for%20satellite%20link%20in%20tropical%20region_Scopus.pdf http://irep.iium.edu.my/56406/3/56406_Derivation%20of%20Z-%CE%B3%20%28Reflectivity-Specific%20Attenuation%29%20Relati...pdf
first_indexed	2023-09-18T21:19:34Z
last_indexed	2023-09-18T21:19:34Z
_version_	1777411790239432704

Derivation of Z-γ (Reflectivity-specific attenuation) relation for satellite link in tropical region

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