See <<acoustic image>>

1. One of two groups of side bands generated in the process of modulation; the unused group is referred to as the unwanted image.

2. The scene reproduced by a television or facsimile receiver.

A copy of the information contained in a punched card (or other data record) recorded on a different data medium.

See <<electric image>>

The input reflection coefficient corresponding to the reflection coefficient of a specified load when the load is placed on one side of a waveguide junction and a slotted line is placed on the other.

1. For a point x in the domain of a function f, the point f (x ).

2. For a subset A of the domain of a function f, the set of all points that are equal to f (x ) for some point x in A.

An optical counterpart of a self-luminous or illuminated object formed by the light rays that traverse an optical system; each point of the object has a corresponding point in the image from which rays diverge or appear to diverge.

Any reproduction of an object produced by means of focusing light, sound, electron radiation, or other emanations coming from the object or reflected by the object.

A representation of a sensory experience, occurring in the brain.