ITU-T J.143
User requirements for objective perceptual video quality measurements in digital cable television
现行
发布日期 :
2018-05-01
实施日期 :
ITU-T P.561
In-service non-intrusive measurement device - Voice service measurements
现行
发布日期 :
2014-07-01
实施日期 :
DIN EN 15456
Heating boilers - Electrical power consumption for heat generators - System boundaries - Measurements
现行
发布日期 :
2001-06-01
实施日期 :
ITU-T M.650
Routine line measurements to be made on the line repeaters of audio-frequency sections or circuits
现行
发布日期 :
2025-11-01
实施日期 :
ITU-T P.Sup20
Examples of measurements of handset receive-frequency responses: dependence on earcap leakage losses
现行
发布日期 :
2012-03-01
实施日期 :
ITU-R RA.1272
Protection of radio astronomy measurements above 60 GHz from ground based interference
现行
发布日期 :
2012-02-01
实施日期 :
ITU-T N.12
Measurements to be made during the line-up period that precedes a sound-programme transmission
现行
发布日期 :
2025-11-01
实施日期 :
DIN EN ISO 11820
Acoustics - Measurements on silencers in situ (ISO 11820:1996); German version EN ISO 11820:1996
现行
发布日期 :
2001-04-01
实施日期 :