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Analog
1. Class of measuring devices in which the output varies continuously as a function of the input (non-digital).

2. A historical instance of a given meteorological scenario or feature that is used for comparison with another scenario or feature. For example, a long-range forecaster predicting conditions for the upcoming winter may make comparisons to analog seasons in which meteorological factors were similar to those of the upcoming season.
Analog Signal
A signal, such as voice, that varies in a continuous manner.

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     Page last Modified: 25 June, 2009 1:01 PM