ITU R BO 1212:1995
ITU R BO 1212:1995 Calculation Of Total Interference Between Geostationary-satellite Networks In The Broadcasting-satellite Service
Table of Contents
ANNEX1-CalculationoftotalinterferenceAPPENDIX1TOANNEX1-Derivationoftherelativealignment
angleforlinearpolarization
1Definitionofprincipleandcross-polarizedcomponentsofa
linearlypolarizedradiowave
1.1Vectortransformationamongrectangular,cylindricaland
sphericalcoordinatesystems
1.2Alternativedefinitionsofprincipalpolarizationand
cross-polarizationreferencedirections
2Coordinatesystemdescriptionsandtransformationmatrices
2.1Symbolnotation
2.2TheEarth-centredsystemRg
2.3ThewantedearthstationsystemRp
2.4TheinterferingearthstationsystemRp2
2.5ThewantedsatelliteantennacoordinatesystemRa
2.6TheinterferingsatelliteantennacoordinatesystemRa2
3Calculationofpolarizationanglesandrelativealignment
angles
3.1CalculationofrelativealignmentangleBdforthe
downlinkcase
3.2CalculationofrelativealignmentangleBufortheup
linkcase