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本文(ITU-R QUESTION 2834-2009 Sharing studies between high-definition television in the broadcasting-satellite service and other services《在广播卫星服务和其他服务中分享高清晰度电视的研究》.pdf)为本站会员(inwarn120)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ITU-R QUESTION 2834-2009 Sharing studies between high-definition television in the broadcasting-satellite service and other services《在广播卫星服务和其他服务中分享高清晰度电视的研究》.pdf

1、QUESTION ITU-R 283/4*, *Sharing studies between high-definition television in thebroadcasting-satellite service and other services(2009)The ITU Radiocommunication Assembly,consideringa) that the development of techniques for high-definition television (HDTV) broadcasting israpidly progressing;b) tha

2、t the ITU Radiocommunication Study Groups have already carried out a number ofstudies concerning the broadcasting of HDTV signals;c) that there are allocations to the broadcasting-satellite service (BSS) in the 17.3-17.8 GHzband in Region 2, and in the 21.4-22 GHz band in Regions 1 and 3, capable of

3、 accommodatingwide RF-band HDTV;d) that the Plans for the 12 GHz band contained in Appendix 30 of the Radio Regulations(RR) can already accommodate narrow RF-band HDTV;e) that due account should be taken of other radiocommunication services appearing inArticle 5 of the RR, and sharing allocations wi

4、th the BSS,decides that the following Questions should be studied1 What are the appropriate technical provisions for sharing between the BSS when HDTV isused, and other services sharing BSS bands, in the 12, 17 and 21 GHz bands?2 What are the protection ratio requirements between HDTV and standard-d

5、efinitiontelevision (SDTV) signals, both analogue and digital, and between HDTV signals themselves?NOTE 1 See Report ITU-R BO.631,further decides1 that the results of the above studies should be included in appropriate Reports and/orRecommendations;2 that the above studies should be completed by 2011.Category: S1_* This Question should be brought to the attention of Radiocommunication Study Groups 5 and 7.* Former Question ITU-R 71/6.

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