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  2. Satellite Data System - Wikipedia

    en.wikipedia.org/wiki/Satellite_Data_System

    The Satellite Data System ( SDS) is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present. It is believed that these satellites were known by the code name Quasar. [1]

  3. Data analysis - Wikipedia

    en.wikipedia.org/wiki/Data_analysis

    Data analysis is the process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, and supporting decision-making. [1] Data analysis has multiple facets and approaches, encompassing diverse techniques under a variety of names, and is used in different business, science ...

  4. Naval Facilities Engineering Systems Command - Wikipedia

    en.wikipedia.org/wiki/Naval_Facilities...

    The Naval Facilities Engineering Systems Command (NAVFAC) is the United States Navy 's engineering systems command, providing the Navy and United States Marine Corps with facilities and expeditionary expertise. NAVFAC is headquartered at the Washington Navy Yard and is under the command of the Chief of Civil Engineers RADM Dean VanderLey [1]

  5. Data (computer science) - Wikipedia

    en.wikipedia.org/wiki/Data_(computer_science)

    Data (computer science) In computer science, data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols; datum is a single symbol of data. Data requires interpretation to become information. Digital data is data that is represented using the binary number system of ones (1) and zeros (0), instead of analog ...

  6. Applied Digital Data Systems - Wikipedia

    en.wikipedia.org/wiki/Applied_Digital_Data_Systems

    Applied Digital Data Systems ( ADDS) was a supplier of video display computer terminals, founded in 1969 by Leeam Lowin and William J. Catacosinos. [1] [2] Lowin simultaneously founded Solid State Data Sciences (SSDS). SSDS was one of the first developers of the MOS/LSI integrated circuits that were key to ADDS's product line.

  7. Radio Data System - Wikipedia

    en.wikipedia.org/wiki/Radio_Data_System

    Radio Data System (RDS) is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts. RDS standardizes several types of information transmitted, including time , station identification and program information.

  8. Compositional data - Wikipedia

    en.wikipedia.org/wiki/Compositional_data

    Compositional data. In statistics, compositional data are quantitative descriptions of the parts of some whole, conveying relative information. Mathematically, compositional data is represented by points on a simplex. Measurements involving probabilities, proportions, percentages, and ppm can all be thought of as compositional data.

  9. Logging (computing) - Wikipedia

    en.wikipedia.org/wiki/Logging_(computing)

    Logging (computing) In computing, logging is the act of keeping a log of events that occur in a computer system, such as problems, errors or just information on current operations. These events may occur in the operating system or in other software. A message or log entry is recorded for each such event.