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单词 return-to-zero
释义

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return-to-zero
return-to-zero adj. Electronics designating a binary signal which returns to 0 following each bit, regardless of whether the following bit is 0 or 1; relating to or involving such signals; opposed to non-return-to-zero adj. at non- prefix 4b.A return-to-zero signal acts as its own clocking signal. As half the signal time is spent at zero, a return-to-zero signal can only store half as much data as a non-return-to-zero signal.
ΚΠ
1951 A. A. Cohen et al. U.S. Patent 2,540,654 4 Even if a series of 1's occurs, the flux shifts back to the M, or 0, level at the end of each cell period. Hence, this system may be termed a ‘return-to-zero’ type of pattern.
1984 J. Dunlop & D. G. Smith Telecommunications Engin. iii. 89 Convert the full width non-return-to-zero (NRZ) pulses into half-width return-to-zero pulses (RZ).
2008 Optics Communications 281 5811/1 RZ (return-to-zero) modulation formats offer certain advantages over NRZ, as they tend to be more robust against distortions.
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