| This autostub has not yet had its initial copyediting proof and may contain significant formatting and even factual errors. You can improve Exodictionary by cleaning up the page markup and verifying that the definition is correct and then removing this tag.
| This autostub has not yet had its initial categorization proof and may be categorized incorrectly. You can improve Exodictionary by removing inappropriate categories and then removing this tag.
1. In computer operations, the ratio of active time to total time.
2. In a pulse carrier composed of pulses that recur at regular intervals,
the product of the pulse
duration and the pulse repetition frequency.
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use