Difference between revisions of "Perturbation"
From ExoDictionary
(No difference)
| |
Latest revision as of 16:00, 30 April 2007
This definition page has been automatically generated. You can help ExoDictionary by expanding, updating, or correcting it. |
| 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. |
Perturbation
</dt>
1. Any departure introduced into an assumed steady
state of a system, or a small departure from a nominal path such as a
desired trajectory. Usually used as equivalent to small
perturbation.
</dd>
2. Specifically, a disturbance in the regular motion of a celestial
body, the result of a force additional to that which causes the regular
motion, specifically, a gravitational force. [[/a>|/a>
]]
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
