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  2. Drag reduction system - Wikipedia

    en.wikipedia.org/wiki/Drag_reduction_system

    DRS in open (top) and closed (bottom) positions on a Red Bull RB7 in 2011. In motor racing, the drag reduction system (DRS) is a form of driver-adjustable bodywork aimed at reducing aerodynamic drag in order to increase top speed and promote overtaking. It is an adjustable rear wing of the car, which moves in response to driver commands. [1]

  3. History of Formula One regulations - Wikipedia

    en.wikipedia.org/wiki/History_of_Formula_One...

    Can be freely used in practice and qualifying, but in the race only when within 1 second of the next car by the detection zone, and only activated in the activation zone. DRS wing must immediately close under braking, and DRS is de-activated in the first 2 laps of each race, plus when a track is declared wet. 107% qualifying rule re-introduced ...

  4. Tracking and data relay satellite - Wikipedia

    en.wikipedia.org/wiki/Tracking_and_data_relay...

    TDRS-A was the first of TDRSS multiple satellite tracking system. The system is a concept utilizing communication satellite technology that improves and economizes the satellite tracking and telemetry operations. The base three geosynchronous satellites (one a standby) track and receive data from satellites for relay to a ground station. The ...

  5. Dynamic frequency selection - Wikipedia

    en.wikipedia.org/wiki/Dynamic_frequency_selection

    It is designed to prevent electromagnetic interference by avoiding co-channel operation with systems that predated Wi-Fi, such as military radar, satellite communication, and weather radar, and also to provide on aggregate a near-uniform loading of the spectrum (uniform spreading). [1] It was standardized in 2003 as part of IEEE 802.11h.

  6. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    DMZ—Demilitarized Zone; DN—Distinguished Name; DND—Drag-and-Drop; DNS—Domain Name System; DOA—Dead on Arrival; DOCSIS—Data Over Cable Service Interface Specification; DOM—Document Object Model; DORA—Discover, Offer, Request, Acknowledge; DoS—Denial of Service; DOS—Disk Operating System; DP—Dot Pitch; DPC—Deferred ...

  7. List of information technology initialisms - Wikipedia

    en.wikipedia.org/wiki/List_of_information...

    Meaning Primary Applicability [4] Normative Reference ACK: Acknowledgement Transport and other layers TCP/IP, for example. RFC 793 ACL: Access control list Security, application layer Access control list, Cisco overview: ADSL: Asymmetric digital subscriber line Telecom ITU-T G.992.5 Annex M, for example AES: Advanced Encryption Standard Security

  8. Tracking and Data Relay Satellite System - Wikipedia

    en.wikipedia.org/wiki/Tracking_and_Data_Relay...

    TDRS Program Logo Location of TDRS as of March 2019 An unflown TDRS on display at the Steven F. Udvar-Hazy Center in Chantilly, Virginia.. The U.S. Tracking and Data Relay Satellite System (TDRSS, pronounced "T-driss") is a network of American communications satellites (each called a tracking and data relay satellite, TDRS) and ground stations used by NASA for space communications.

  9. Blue force tracking - Wikipedia

    en.wikipedia.org/wiki/Blue_force_tracking

    Blue force tracking (BFT) systems consist of a computer, used to display location information, a satellite terminal and satellite antenna, used to transmit location and other military data, a Global Positioning System receiver (to determine its own position), command-and-control software (to send and receive orders, and many other battlefield support functions), and mapping software, usually ...