ASTM D2845-08
Standard Test Method for Laboratory Determination of Pulse Velocities and Ultrasonic Elastic Constants of Rock (Withdrawn 2017)
Withdrawn, No replacement
发布日期 :
实施日期 :
ASTM F615M-95(2013)
Standard Practice for Determining Safe Current Pulse-Operating Regions for Metallization on Semiconductor Components (Metric) (Withdrawn 2022)
Withdrawn, No replacement
发布日期 :
实施日期 :
ITU-T G.712
Transmission performance characteristics of pulse code modulation channels
现行
发布日期 :
2029-11-01
实施日期 :
ITU-T U.2
Standardization of dials and dial pulse generators for the international telex service
现行
发布日期 :
2025-11-01
实施日期 :
ITU-T G.711.1
Wideband embedded extension for G.711 pulse code modulation
现行
发布日期 :
2015-03-01
实施日期 :
ITU-T G.701
Vocabulary of digital transmission and multiplexing, and pulse code modulation (PCM) terms
现行
发布日期 :
2012-03-01
实施日期 :
ITU-T G.726
40, 32, 24, 16 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM)
现行
发布日期 :
2014-12-01
实施日期 :