About: Frequency and polarization scaling of rain attenuation on 58 and 93 GHz terrestrial links

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Jsou prezentovány první výsledky výzkumu šíření elmg. vln zaměřené na kmitočtový a polarizační přepočet na 58 a 93 GHz. Dva 850 m skoky na 58 GHz s V a H polarizací a skok na 93 GHz s V polarizací na 850 m byly provozovány od prosince 2005 do srpna 2006. Záznamy úniků způsobených deštěm byly statisticky zpracovány a byly získány měsíční a roční kumulativní distribuce úniků deštěm. Získaný kmitočtový a polarizační přepočet byl porovnán s výpočty provedenými podle relevantních doporučení ITU-R. Poměry útlumů pro 93/58 GHz spoje a polarizační přepočet pro 58 GHz spoj byly získány. (cs) First results of a propagation study focused on rain attenuation frequency and polarization scaling on 58 and 93 GHz terrestrial links are presented. Two 58 GHz links with polarization V and H and a 93 GHz link with V polarization were used. These links were operated simultaneously on an 850 m long path from December 2005 to August 2006. Individual attenuation events were compared with the concurrent meteorological situations. The records of observed rain attenuation events were statistically processed. Monthly and yearly cumulative distributions of attenuation due to rain exclusively at 58 GHz with polarization V and H, and at 93 GHz with V polarization were obtained. Obtained statistical frequency and polarization scaling of rain attenuation on terrestrial links at 58 and 93 GHz were compared with scaling calculated in accordance with the relevant ITU-R recommendations. Attenuation ratios for 93/58 GHz links and polarization ratios for 58 GHz links were obtained. First results of a propagation study focused on rain attenuation frequency and polarization scaling on 58 and 93 GHz terrestrial links are presented. Two 58 GHz links with polarization V and H and a 93 GHz link with V polarization were used. These links were operated simultaneously on an 850 m long path from December 2005 to August 2006. Individual attenuation events were compared with the concurrent meteorological situations. The records of observed rain attenuation events were statistically processed. Monthly and yearly cumulative distributions of attenuation due to rain exclusively at 58 GHz with polarization V and H, and at 93 GHz with V polarization were obtained. Obtained statistical frequency and polarization scaling of rain attenuation on terrestrial links at 58 and 93 GHz were compared with scaling calculated in accordance with the relevant ITU-R recommendations. Attenuation ratios for 93/58 GHz links and polarization ratios for 58 GHz links were obtained. (en)
Title	Kmitočtový a polarizační přepočet útlumu deštěm na pozemních spojích na kmitočtech 58 a 93 GHz (cs) Frequency and polarization scaling of rain attenuation on 58 and 93 GHz terrestrial links Frequency and polarization scaling of rain attenuation on 58 and 93 GHz terrestrial links (en)
skos:prefLabel	Kmitočtový a polarizační přepočet útlumu deštěm na pozemních spojích na kmitočtech 58 a 93 GHz (cs) Frequency and polarization scaling of rain attenuation on 58 and 93 GHz terrestrial links Frequency and polarization scaling of rain attenuation on 58 and 93 GHz terrestrial links (en)
skos:notation	RIV/00003468:_____/07:#0000110!RIV09-MPO-00003468
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MI00000346806)
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Kvičera, Václav Grábner, Martin
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	TESTCOM - Technický a zkušební ústav telekomunikací a pošt Praha
http://linked.open...dnocenehoVysledku	422624
http://linked.open...ai/riv/idVysledku	RIV/00003468:_____/07:#0000110
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	rain attenuation; frequency scaling; polarization scaling (en)
http://linked.open.../riv/klicoveSlovo	rain attenuation frequency scaling polarization scaling
http://linked.open...ontrolniKodProRIV	[0F2F7FB02601]
http://linked.open...v/mistoKonaniAkce	Munich
http://linked.open...i/riv/mistoVydani	Munich
http://linked.open...i/riv/nazevZdroje	European Microwave Week 2007 Conference Proceedings
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Grábner, Martin Kvičera, Václav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2007-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Application of methods and tools aimed at the development of communication infrastructure and services to information society in the Czech Republic
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	EuMA
https://schema.org/isbn	978-2-87487-000-2

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