analog data
61National Geophysical Data Center — The National Geophysical Data Center (NGDC) provides scientific stewardship, products and services for geophysical data describing the solid earth, marine, and solar terrestrial environment, as well as earth observations from space. Contents 1… …
62Electronic data capture — An Electronic Data Capture (EDC) system is a computerized system designedfor the collection of clinical data in electronic format for use mainly in human clinical trials.Typically, EDC systems provide: * a graphical user interface component for… …
63Converting scanned graphs to data — Contents 1 Converting Scanned Graphs to Data 2 History 3 Basic Concept 4 Practical Considerations 4.1 …
64Mobile data offloading — Mobile data offloading, also called data offloading is the use of complementary network technologies for delivering data originally targeted for cellular networks. Rules triggering the mobile offloading action can either be set by an end user… …
65cellular digital packet data — (CDPD) A service that allows users to send data over existing analog cellular networks. Data is sent in packets during idle time on the cellular analog channels …
66National Snow and Ice Data Center — The National Snow and Ice Data Center, or NSIDC, is a United States information and referral center in support of polar and cryospheric research. NSIDC archives and distributes digital and analog snow and ice data and also maintains information… …
67CEBAF On-line Data Acquisition — The Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab is an electron beam particle accelerator constructed using funding from the United States Department of Energy in the city of Newport News, Virginia.DescriptionThe… …
68Remote data transmission — (RDT) was a term used in the 1980 s, primarily in Germany, for the transmission of data between computers over a medium using a communications protocol. At the time, the most widespread form was RDT over the telephone network. Other transmission… …
69Simultaneous voice and data — Simultaneous voice and data, or SVD, is a telecommunications term that refers to transceiving both voice and primary data essentially simultaneously. [cite web |url=http://www.google.com/patents?id=OSgcAAAAEBAJ |title=US Patent 5,625,677… …
70digital-to-analog conversion (DAC) — Process by which digital signals (which have a binary state) are converted to analog signals (which theoretically have an infinite number of states). For example, a modem converts computer digital data to analog audio frequency signals that can… …
