ITU-R QUESTION 276-2002 Receivers for sound broadcasting below 30 MHz《30兆赫以下声音广播接收机》.pdf

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1、C:DOCUMENTS AND SETTINGSQGV33745MY DOCUMENTSDOWNLOADSR-QUE-SG06.27-2002-MSW-E.DOC 15/07/2010 15/07/2010QUESTION ITU-R 27/6*Receivers for sound broadcasting below 30 MHz (1982-1990-1994-2002) Q. ITU-R 49-2/10 The ITU Radiocommunication Assembly, considering a) that efficient planning must take into a

2、ccount the main parameters of the receiving installations; b) the information contained in Recommendation ITU-R BS.703 may need to be complemented and/or updated; c) that Question ITU-R 201/10 is addressing, inter alia, the studies on receiving antennas respectively for LF, MF and HF sound broadcast

3、ing, decides that the following Question should be studied 1 What are the main characteristics of receiving installations which may be useful for planning? 2 What are the minimum performance specifications for receiving installations permitting a sound quality compatible with ITU-R specifications, f

4、or the various types of sound-broadcasting systems? These technical characteristics should be defined for the three cases of: individual reception; community reception; community listening. NOTE 1 The minimum performance specifications should take account of the latest International Electrotechnical Commission (IEC) work. further decides 1 that the results of the above studies should be addressed to: update and complement Recommendation ITU-R BS.703; prepare (a) new Recommendation(s); 2 that the above studies should be completed by 2002. Category: S1 _ *Former Question ITU-R 49-2/10.

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