scramble

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scramble

Brit a motorcycle rally in which competitors race across rough open ground
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

scramble

[′skram·bəl]
(aerospace engineering)
To take off as quickly as possible (usually followed by course and altitude instructions).
(communications)
To mix, in cryptography, in random or quasi-random fashion.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

scramble

i. To encrypt any plain-language message during the transmission process so as to make it unintelligible to a third party.
ii. The whole action involved in getting interceptors into the air in the shortest time possible, sometimes without adequate warm-up. For an air defense mission, aircraft ordered to scramble are given the initial vector; the course to roll out and the height to climb to are also indicated in the scramble call and follow the word scramble (e.g., “Mission 70 scramble, scramble, initial vector 070°, angels 10”). Angels 10 means 10,000 ft altitude.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

scramble

To make data indecipherable. The term stems from the early days of cryptography, which camouflaged analog transmissions by combining them with secret frequency patterns. Restoring the original frequencies is called "descrambling." Today, cryptography is mostly digital, and the 0 and 1 bits of digital data are rearranged into a different sequence. See cryptography.
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References in periodicals archive ?
Check out Scramble PIN Layout feature on Cyanogen OS (http://t.co/nqJtPHfhim) http://t.co/nqJtPHfhim
During the first three quarters of the year that ends in March, Japan conducted 160 scrambles against Chinese planes, compared with 156 in the year ended March 2012, and 54 in the prior year, the report said.
The ministry began releasing country-specific data with regard to ASDF scrambles in fiscal 2002.
Before a defensive coach can formulate a defensive response, he must first understand the offense's basic rules or guidelines on a quarterback scramble. Also, the individual quarterback's preferences must be understood.
About one-third of Bond's suggested scrambles are located in the Cascade mountain range.
The important generalization in the light of the Dutch data (but basically the same goes for German and Afrikaans as well) seems to be the following: while scrambling of indefinites is only possible under a restricted semantic reading, definites are free to scramble.
In the scramble for the prize, she was knocked from her seat and hurt.
Numbers selected from the key are used in a series of mathematical operations to scramble the digits representing information stored or transmitted by the card.
For instance, encryption would let electronic newsgroups scramble their messages and give the "keys" - decoding instructions - only to subscribers.
The ASDF did not give a detailed breakdown by counterpart country for fiscal 1998, ended March 31 this year, but said the number of scrambles against Taiwanese planes decreased, while those against Russian and South Korean aircraft increased.