A 2-wire transmission line surrounded by a sheath of conductive material that protects it from the effects of external fields and confines fields produced within the line.

A transmission line composed of a twisted 2-wire metallic transmission line surrounded by a sheath of conductive material that protects it from the effects of external fields and confines fields produced within the line.

See shield.

The factor that expresses the attenuation caused by scattering, e.g., of radiant or acoustic energy, during its passage through a medium.
Note: The scattering coefficient is usually expressed in units of reciprocal distance.

1. The movement of some or all of the characters or bits of a word by the same number of character or bit positions in the direction of a specified end of a word.
2. In radar, the ability to move the origin of a radial display away from the center of the cathode ray tube.

A storage device, usually in a central processing unit (CPU), in which device a serially ordered set of data may be moved, as a unit, into a discrete number of storage locations.
Note 1: Shift registers may be configured so that the stored data may be moved in more than one direction.
Note 2: Shift registers may be configured so… (Read More →)

A mobile Earth station in the maritime mobile-satellite service located on board ship. [NTIA] [RR]

A mobile station in the maritime mobile service located on board a vessel which is not permanently moored, other than a survival craft station. [NTIA] [RR]

A ship's transmitter to be used exclusively on a distress frequency for distress, urgency or safety purposes. [NTIA] [RR]

Synonym impulse excitation.