digital data transmission system
61data compression — Process of reducing the amount of data needed for storage or transmission of a given piece of information (text, graphics, video, sound, etc.), typically by use of encoding techniques. Data compression is characterized as either lossy or lossless …
62Digital Scriptorium — Leaf from a Gradual, c, 1450 1475, Italy; New York, Columbia University, Plimpton MS 040A Gl …
63Transmission Time Interval — TTI, Transmission Time Interval , is a parameter in UMTS (and other digital telecommunication networks) related to encapsulation of data from higher layers into frames for transmission on the radio link layer. TTI refers to the length of an… …
64Digital signature — This article is about secure cryptographic signatures. For simple signatures in digital form, see Electronic signature. A digital signature or digital signature scheme is a mathematical scheme for demonstrating the authenticity of a digital… …
65Digital Subscriber Line Access Multiplexer — Siemens DSLAM SURPASS hiX 5625 A Digital Subscriber Line Access Multiplexer (DSLAM, often pronounced dee slam) is a network device, located in the telephone exchanges of the telecommunications operators. It connects multiple customer Digital… …
66Digital Earth Reference Model — The term Digital Earth Reference Model (DERM) was coined by Tim Foresman in context with a vision for an all encompassing geospatial platform as an abstract for information flow in support of Al Gore’s vision for a Digital Earth.[1] The Digital… …
67Digital Revolution — A university computer lab containing many desktop PCs The Digital Revolution is the change from analog mechanical and electronic technology to digital technology that has taken place since c. 1980 and continues to the present day.[1] …
68Digital subscriber line access multiplexer — A Digital Subscriber Line Access Multiplexer (DSLAM, often pronounced dee slam ) allows telephone lines to make faster connections to the Internet. It is a network device, located in the telephony exchanges of the service providers, that connects …
69Digital Library of Slovenia — Coordinates: 46°2′51.18″N 14°30′13.31″E / 46.04755°N 14.5036972°E / 46.04755; 14.5036972 The Digital Lib …
70Data Radio Channel — Le Data Radio Channel (DARC) est un standard de diffusion de données numériques sur une sous porteuse d une radio FM, de façon comparable au Radio data system (RDS) mais avec un débit significativement plus important. Le DARC a été développé au… …
