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单词 pulse code
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pulse code
pulse code n. Electronics and Computing a code in which the nature of a pulse, or the pattern of pulses in a group, is used to convey a specific value; cf. pulse code modulation n.
ΚΠ
1947 Bell Syst. Techn. Jrnl. 26 395 This paper describes an experiment in transmitting speech by PCM, or pulse code modulation.
1957 Public Opinion Q. 21 413/1 A reading device which scans the entries and enters pulse codes for the information on magnetic tape.
1976 R. Dawkins Selfish Gene (1978) iv. 51 The pulse codes of digital computers.
1993 Proc. National Acad. Sci. U.S.A. 90 10104/1 Refinements of the pulse code for better separation with increasing base number.
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