Return To Zero


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Return To Zero

(communications)
A class of encoding methods for physical circuits in which the carrier (current, voltage) returns to zero after each transmitted bit, i.e. the data is carried in pulse width or polarity, not in the level of the signal.

Contrast NRZ.
References in periodicals archive ?
And, without even alluding to it, "Return to Zero" also teaches the wisdom of delivering a child, rather than aborting her, when a couple learns that their unborn child may not survive until birth or live only hours after delivery.
During this time, she also wrote, illustrated and published her own book "Dream of a return to zero" and sold more than 1,000 copies in Japan, Spain and Germany.
How many times have you heard the statement, "These mounts return to zero.., perfectly"?
If the transmission does not return to zero then starting the engine without disconnect could be difficult.
In that film, a sign made with a zero and three lines is the symbol of a future world but also a symbol for the return to zero. Eshun and his Otolith Group collaborator Anjalika Sagar have imported Godard's symbol into their most recent book, along with its attendant questions: Is "more" actually "less"?
Leaking 18 tries at Sedgeley Park, Thunder slipped up 94-0 to complete their campaign unable to return to zero points.
The measurement range provided is [+ or -]2 mm; the resolution is <0.1[micro]m; the stiffness is 1.2 N/mm; and the return to zero is <0.002 mm.
It may be used for inline 2R regeneration of RZ (return to zero) signals in high-speed, optical network applications.
For bending-beam type torque wrenches, the pointer should automatically return to zero.
Abbreviation of Carrier Suppressed Return to Zero Differential Quadrature Phase Shift Keying.
The Bank now expects it to return to zero in less than twoyears.
This occurs because the diaphragm cannot return to zero. In severe cases, no output occurs, or the output does not change with an increase in pressure.