Distortion in a transmission system caused by nonuniform attenuation, or gain, in the system with respect to frequency under specified operating conditions. Synonym frequency distortion.

1. automatic message processing system.
2. Advanced Mobile Phone System.

Abbreviation for automated maritime telecommunications system.

Access Node

Synonym CAV.

A device that performs operations on data that are represented within the device by continuous variables having a physical resemblance to the quantities being represented.
Note: The earliest analog computers were constructed with purely mechanical components, such as levers, cogs, cams, discs, and gears. These components represented the quantities being manipulated or the operator-inserted values. Modern analog computers usually employ… (Read More →)

Data represented by a physical quantity that is considered to be continuously variable and has a magnitude directly proportional to the data or to a suitable function of the data.

The portion of the digital-to-analog conversion process that generates an analog signal value from the digital signal that resulted from analog encoding.
Note: Further action is required to integrate these samples to obtain a continuous approximation of the original signal, because analog decoding does not smooth the signal.

The portion of the analog-to-digital conversion process that samples an analog signal and creates a digital signal that represents the value of the sample.
Note: Multiple samples are needed to digitize a waveform over a time interval.

Facsimile equipment in which (a) analog techniques are used to encode the image detected by the scanner and (b) the output is an analog signal.
Note: Examples of analog facsimile equipment are CCITT Group 1 and CCITT Group 2 facsimile equipment.