理学 多媒体编码 释 pulse code modulation 脉冲编码调制 实现模拟信号数字化传输的编解码系统，是现代语音通信中数字化的重要编码方式。
网络与数据通信 有线网络 释文 pulse code modulation, PCM 脉冲编码调制
- electrolytic polishing machine tool
- electrolytic polymerization
- electrolytic powders
- electrolytic process control system
- electrolytic process of rure gold for pure-gold
- electrolyzer
- electro-machining
- electromagnctic methods prospecting
- electromagnet
- electromagnetic
- electromagnetic absorption
- electromagnetic acceleration
- electromagnetic acoustic transducer
- electromagnetic acoustic transducer testing instrument
- electromagnetic actuators
- electromagnetic adjustable speed asynchronous motor
- electromagnetically induced absorption
- electromagnetically induced transparency
- electromagnetic analysis attack
- electromagnetic anechoic chambers
- electromagnetic articulograph
- electromagnetic bandgap structures
- electromagnetic blood flowmeter
- electro-magnetic bomb rack unit
- electromagnetic brake