| 单词 | pulse code modulation |
| 释义 | pulse code modulation in British Englishnoun electronics a form of pulse modulation in which the information is carried by coded groups of pulses Abbreviation: pcmpulse-code modulation in American English (ˈpʌlsˌkoud) noun Telecommunications a form of modulation that transforms a wave-form, as an audio signal, into a binary signal in which information is conveyed by a coded order of pulses for transmission, storage on a disk, or processing by a computer Abbreviation: PCM Word origin [1945–50]This word is first recorded in the period 1945–50. Other words that entered Englishat around the same time include: RNA, individual medley, on-line, shootout, synchronized swimming |
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