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dc.contributor.authorAbouAlmal, A.*
dc.contributor.authorAbd-Alhameed, Raed A.*
dc.contributor.authorJones, Steven M.R.*
dc.contributor.authorAlAhmad, H.*
dc.date.accessioned2016-01-05T14:12:00Z
dc.date.available2016-01-05T14:12:00Z
dc.date.issued2014-09-26
dc.identifier.citationAbouAlmal A, Abd-Alhameed RA, Jones SMR et al (2014) New approaches and algorithms for the analysis of vertical refractivity profile below 1 KM in a subtropical region. IEEE Transactions on Antennas and Propagation. 62(12): 6501-6505.en_US
dc.identifier.urihttp://hdl.handle.net/10454/7632
dc.descriptionYesen_US
dc.description.abstractIn this paper, 17 years of high resolution surface and radiosonde meteorological data from 1997-2013 for the subtropical Gulf region are analysed. Relationships between the upper air refractivity, Nh, and vertical refractivity gradient, ΔN, in the low troposphere and the commonly available data of surface refractivity, Ns are investigated. A new approach is discussed to estimate Nh and ΔN from the analysis of the dry and wet components of Ns, which gives better results for certain cases. Results are compared with those obtained from existing linear and exponential models in the literature. The investigation focusses on three layer heights at 65 m, 100 m and 1 km above ground level. Correlation between the components of Ns with both Nh and ΔN are studied for each atmospheric layer. Where high correlations were found, empirical models are derived from best-fitting curves.en_US
dc.language.isoenen_US
dc.relation.isreferencedbyhttp://dx.doi.org/10.1109/TAP.2014.2360550en_US
dc.rights(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. Full-text reproduced in accordance with the publisher's self-archiving policy.en_US
dc.subjectStandard atmosphere; Radio refractive index; Microwave links; Refractivity gradienten_US
dc.titleNew approaches and algorithms for the analysis of vertical refractivity profile below 1 KM in a subtropical regionen_US
dc.status.refereedYesen_US
dc.typeArticleen_US
dc.type.versionAccepted Manuscripten_US
refterms.dateFOA2018-07-25T14:15:51Z


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