duty cycle

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duty cycle

[′düd·ē ‚sī·kəl]
(communications)
The product of the pulse duration and pulse repetition frequency of a pulse carrier, equal to the time per second that pulse power is applied. Also known as duty factor.
(electronics)
(engineering)
The time intervals devoted to starting, running, stopping, and idling when a device is used for intermittent duty.
The ratio of working time to total time for an intermittently operating device, usually expressed as a percent. Also known as duty factor.
(metallurgy)
The percentage of time that current flows in equipment over a specific period during electric resistance welding.
(nucleonics)
The fraction of time during which a pulsed accelerator beam is on target, usually expressed as a percent. Also known as duty factor.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

duty cycle

(1) A machine's rated capacity to continuously perform work under normal conditions. It generally applies to mechanical devices such as printers, in which case it would indicate the number of pages that can be printed per month without a problem.

(2) The ratio of a device operating versus cooling down. An 80% duty cycle means that it is capable of running 80% of a specified time period and turned off for the remainder.
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References in periodicals archive ?
In this section, we present the theoretical basis of micro-duty mechanism, mechanism of micro-duty division, methods of selection and setting state for micro-duty and an adaptive mechanism for traffic duty-cycle.
Meanwhile, the duty-cycle (DC) of MDA-SMAC protocol is dynamically changed.
A combinational design layered and Cross layer design is proposed in Low Duty-cycle based Optimized Sleep-schedule (LDCOS) [15].
The basic idea of the proposed scheme is to group the nodes by using the topology control and then apply adaptive duty-cycle, depending on the group size.
Ebert proposed combining successive pairs of different duty-cycle clock periods to further spread harmonic energy, but he also pointed out some undesirable effects of this clocking approach.
Without balancing, each phase in a multi-phase system would use the single DPWM duty-cycle output by the compensator.
As described in Equation 11, a pair of probabilities, (p, [[pi].sub.0]), under various duty-cycle ratios and parameters of Table 3, is used to obtain the throughput using Equation 13.
One of the primary mechanisms for achieving low energy operation in energy-constrained wireless sensor networks is the duty-cycle operation.
Nevertheless, these protocols are not well-suited for WSNs, since they omit the typical characteristics of WSNs, such as asynchronous duty-cycle or energy constraints.