ITU R S 1257:2002
ITU R S 1257:2002 Analytical Method To Calculate Short-term Visibility And Interference Statistics For Non-geostationary Satellite Orbit Satellites As Seen From A Point On The Earth's Surface
Table of Contents
ANNEX1APPENDIX1TOANNEX1-Calculationoftheneeded
discriminationangleforagiven
interferencelevel
APPENDIX2TOANNEX1-Calculationofin-areastatistics
fornon-GSOsatellites
1Introduction
2Symbolsused(inAppendix2andAppendix3)
3Calculationofprobability
APPENDIX3TOANNEX1-Derivationoftheformulaegiven
inAppendix2
1Probabilitythatasatelliteisinagivenarea
2Calculationofthearea
3Simulationprogramme
4Verificationoftheformulae
5Visibilityandworst-caseazimuth
6Conclusion
ANNEX2
1Summary
2Derivation
3Verification
4Rangeofapplicability
ANNEX3
1Summary
2Relativeorientationofthenon-GSOsatellitetrackand
theGSOearthstationantennabeam
3Averagelengthofpaththroughtheellipsoid
4Effectiveangularvelocity
5Averagedurationofinterferenceevents
6Frequencyofoccurrenceofinterferenceevents
7Verification