“duty cycle”的概念、定义、翻译、参考文献-科学参考

单词	duty cycle
释义	duty cycle [`düd·ē ´sī·kǝl] ^{COMMUNICATIONS} The product of the pulse duration and pulse frequency of a pulse carrier, equal to the time per second that pulse power is applied. Also known as duty factor. ^ELECTRONICS See <<duty ratio>> ^ENGINEERING 1. The time intervals devoted to starting, running, stopping, and idling when a device is used for intermittent duty. 2. 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.
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