1、QUESTION ITU-R 214/1*, *Monitoring of digital broadcasting signals(1997)The ITU Radiocommunication Assembly,consideringa) that the use of digital video, sound (DAB) and data broadcasting is growing around theworld, and there is a need to improve the radio frequency (RF) monitoring of these signals;b
2、) that administrations need to verify technical compliance of the emissions with relevantlicence conditions;c) that administrations need measurements to resolve harmful interference from and to digitalbroadcasting systems;d) that administrations and/or broadcasters need to assess the coverage of dig
3、ital broadcastingtransmitters,notinga) that 4.2 of the Spectrum Monitoring Handbook specifies the special monitoringprocedures for television transmissions: 4.2.2 RF field strength measurements, 4.2.3 Videosignal characteristics, 4.2.4 HDTV signal parameters,decides that the following Question shoul
4、d be studied1 What are the radio-frequency monitoring methods, techniques, procedures and measuringequipment for digital broadcasting video, sound, and data signals?further decides1 that the results of the above studies should be included in (a) Recommendation(s);2 that the above studies should be completed by 2012.Category: S2* This Question should be brought to the attention of Radiocommunication Study Group 6.* In the year 2009, Radiocommunication Study Group 1 extended the completion date of studies for thisQuestion.