ITU-T F 112 FRENCH-1993 QUALITY OBJECTIVES FOR 50-BAUD START-STOP TELEGRAPH TRANSMISSION IN THE MARITIME MOBILE-SATELLITE SERVICE《海上移动卫星业务中50波特起止式电报传输的质量目标》.pdf

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ITU-T F 112 FRENCH-1993 QUALITY OBJECTIVES FOR 50-BAUD START-STOP TELEGRAPH TRANSMISSION IN THE MARITIME MOBILE-SATELLITE SERVICE《海上移动卫星业务中50波特起止式电报传输的质量目标》.pdf_第1页
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ITU-T F 112 FRENCH-1993 QUALITY OBJECTIVES FOR 50-BAUD START-STOP TELEGRAPH TRANSMISSION IN THE MARITIME MOBILE-SATELLITE SERVICE《海上移动卫星业务中50波特起止式电报传输的质量目标》.pdf_第2页
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ITU-T F 112 FRENCH-1993 QUALITY OBJECTIVES FOR 50-BAUD START-STOP TELEGRAPH TRANSMISSION IN THE MARITIME MOBILE-SATELLITE SERVICE《海上移动卫星业务中50波特起止式电报传输的质量目标》.pdf_第3页
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1、UNION INTERNATIONALE DES TLCOMMUNICATIONS5)4 4 F.112SECTEUR DE LA NORMALISATIONDES TLCOMMUNICATIONSDE LUIT%80,/)4!4)/. %4 15!,)4 $% 3%26)#%3%26)#% -/“),%/“*%#4)(b) la Recommandation F.10 concernant le taux derreur sur les caractres pour les communicationstlgraphiques,recommande lunanimitquune marge

2、suffisante pour tenir compte de conditions de propagation dfavorables soit prvue pour les liaisonsentre une station terrienne ctire et le terminal dune station mobile. Lobjectif devrait tre que les conditions depropagation ne causent pas derreur sur les caractres, pour au moins 95% des communication

3、s avec les stations mobilessitues lintrieur de la zone de service du satellite. Hormis les effets de blocage, les conditions de propagation nedevraient pas causer plus de 8 erreurs par 100 000 caractres, avec un niveau de confiance de 99%, pour les stationsmobiles situes en bordure de la zone de service.Remarque Cette Recommandation correspond la Recommandation 552 du CCIR.

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