- 産業: Telecommunications
- Number of terms: 29235
- Number of blossaries: 0
- Company Profile:
ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the information, entertainment and communications industry.
A portion of data, with its physical storage medium, that can be handled conveniently as a unit. Note: An example of a volume is a "floppy" diskette.
Industry:Telecommunications
A potential difference between metallic conductors, as opposed to a potential difference between a metallic conductor and ground.
Industry:Telecommunications
A power loss resulting from changes in the measurable impedance of a practical antenna from a value theoretically calculated for a perfect antenna.
Industry:Telecommunications
A prearranged procedure in which a subject requests authentication of another, and the latter establishes validity with a correct reply.
Industry:Telecommunications
A predefined set of complimentary security enforcing functions capable of being implemented in a Target of Evaluation.
Industry:Telecommunications
A predetermined or prescribed spatial or time-sequential arrangement of the parts of a message that is recorded in or on a data storage medium. Note: Messages prepared for electrical transmission are usually composed on a printed blank form with spaces for each part of the message and for administrative entries.
Industry:Telecommunications
A predetermined path described by a succession of signaling points that may be traversed by signaling messages directly by a signaling point towards a specific destination point.
Industry:Telecommunications
A predetermined pattern of scanning lines within a display space. Note: An example of a raster is the pattern followed by an electron beam scanning the screen of a television camera or receiver.
Industry:Telecommunications
A predetermined, addressable angular part of a track or band on a magnetic drum or magnetic disk.
Industry:Telecommunications
A prediction of the maximum usable frequency (MUF,) the optimum traffic frequency, and the lowest usable frequency (LUF) for transmission between two specific locations or geographical areas during various times throughout a 24-hour period. Note: The prediction is usually indicated by means of a graph for each frequency plotted as a function of time.
Industry:Telecommunications