aperiodic compass

aperiodic compass

[¦a‚pir·ē¦äd·ik ′kəm·pəs]
(navigation)
Literally, a compass without a period, that is, a compass that, after being deflected, returns by one direct movement to its proper reading, without oscillation. Also known as deadbeat compass.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

aperiodic compass

A compass that, after being deflected, returns by one direct movement to its proper reading and without any oscillations. This is a compass without any period. Also called a deadbeat compass.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved