20,531 terms including subtopics (0 terms filed directly here)
Technology terms
software reuseThe ability to reuse software components in different contexts. Object-oriented languages help to promote reuse by their support of encapsulation.
Software SupportThe sum of all activities that take place to ensure that implemented and fielded software continues to fully support the operational mission of the system.
Software Test EnvironmentA set of automated tools, firmware devices, and hardware necessary to test software.
software toolSoftware, such as a computer program, routine, subroutine, program block, or program module, that can be used to develop, test, analyze, or maintain a…
software VPNA software appliance-based VPN connection over the Internet.
Software-Based Fault IsolationA method of isolating application modules into distinct fault domains enforced by software.
SOHA declaration from a client computer that asserts the computer's health status.
SoHRThe validation of a statement of health (SoH) that a system health validator (SHV) produces and sends to the NAP administration server.
SOIThe Southern Oscillation Index (SOI) has been developed to monitor the Southern Oscillation using the difference between sea level pressures at Darwin…
SOIFSee System Operation and Integration Functions.
Soldier-Machine InterfaceConsiderations through system analysis and psychophysiology of equipment designs and operational concepts, to ensure they are compatible with capabilities…
Sole Source AcquisitionA contract for the purchase of supplies or services that is entered into a proposal to be entered into by an agency after soliciting and negotiating only…
solid-state scanningIn facsimile, scanning in which all or a part of the scanning process is performed by electronic commutation of an array of solid-state photosensitive…
solitonAn optical pulse having a shape, spectral content, and power level designed to take advantage of nonlinear effects in an optical fiber waveguide, for the…
sonarAn acronym derived from the expression "sound navigation and ranging." Refers to the method or equipment for determining by underwater sound techniques…
sonobuoyIn sonar systems, a device (a) that is used to detect acoustic waves, such as those produced by ships and submarines, (b) that, when activated, relays…
sortThe arrangement of documents in the sequence in which they are to be filed or stored Things that have been put in a particular order The action of…
sound-powered telephoneA telephone in which the operating power is derived from the speech input only.
sounder prediction stationA station equipped with an ionosphere sounder for realtime monitoring of upper atmosphere phenomena or to obtain data for the prediction of propagation…
soundexA phonetic spelling (up to six characters) of a street name, used for address matching.
soundingA set of data measuring the vertical structure of an atmospheric parameter (temperature, humidity, pressure, winds, etc.) at a given time.
SourceAny place or object from which air pollutants are released. Sources that are fixed in space are stationary sources and sources that move are mobile…
source documentThe original from which a copy is made A document containing information entered into a computer during data entry; an input record
source documentsDocuments intended for microfilming or which provide input data for machine-readable records systems.
source efficiencyIn optical systems, the ratio of emitted optical power of a source to the input electrical power.
source filterA special kind of "module" that does "preprocessing" on your script just before it gets to the "tokener".
source languageIn computing, data processing, and communications systems, a language from which statements are translated.
source programA computer program written in a source language. Note: An example of a source program is a program that serves as the input to an assembler, compiler, or…
source quenchA congestion-control technique in which a computer experiencing data traffic congestion sends a message back to the source of the messages or packets…
Source Selection AuthorityThe official designated to direct the source selection process, approve the selection plan, select the source(s), and announce contract award.
Source Selection Evaluation BoardA group of military and/or government civilian personnel, representing functional and technical disciplines.
Source Selection Plan (SSP)A formal written document, which sets forth the source selection organization and management chain for a specific acquisition.
source userThe user providing the information to be transferred to a destination user during a particular information transfer transaction.
source/destination checkingA security measure to verify that an EC2 instance is the origin of all traffic that it sends and the ultimate destination of all traffic that it receives…
SOX (Sarbanes-Oxley Act of 2002)A U.S. federal law that requires the preservation of records by certain exchange members, brokers, and dealers. [Exchange 2007]
SP(1) Security Personnel. (2) Self propelled. (3) Signal Processing.
spaceIn telegraphy, one of the two significant conditions of encoding. Note 1: The complementary significant condition is called a "mark.
Space and Missile Tracking System (SMTS)Space-based satellite sensors for surveillance, tracking, and discrimination of enemy objects during post-boost and midcourse phases.
Space Based Infrared System (SBIRS)SBIRS will be a consolidated system that will meet United States infrared space surveillance needs through the next 2-3 decades.
Space Command Center (SPACC)A USSPACECOM center located on Peterson AFB, CO, in Building 147(1). It is the primary command facility for USSPACECOM providing USCINCSPACE with the…
Space Control OperationsOperations that provide freedom of action in space for friendly forces while, when directed, denying it to an enemy; includes the broad aspects of…
Space DefenseThe defensive aspect of space control operations which includes all active or passive measures planned or taken to defeat attacks against friendly space…
Space Defense Operations Center (SPADOC)A center in CMAFB responsible for monitoring and reporting of ASAT attacks on Blue satellites, negating designated satellites, and reconstituting and…
space diversityA method of transmission or reception, or both, in which the effects of fading are minimized by the simultaneous use of two or more physically separated…
Space Environment Forecast Center (SEFC)Center at Peterson AFB, CO that supplies terrestrial and solar weather to the CMAFB Weather Support Unit (WSU) and designated USSPACECOM units.
Space Forecast Center (SFC)Center at Falcon AFB, CO that supplies solar and space environmental warnings, analyses, and forecasts to USSPACECOM, NORAD, and DoD customers.
Space MinesDevices that can track and follow a target in orbit, with the capability of exploding on command or by pre-program to destroy the target.
Space Object Identification (SOI)Use of radar, imaging, and other collection resources to determine size, shape, ephemeris, and identity of space objects.
space operation serviceA radiocommunication service concerned exclusively with the operation of spacecraft, in particular space tracking, space telemetry and space telecommand.
Space PowerGeneration and control of electrical energy in space, from various originating sources (e.g., nuclear, chemical, solar).
space radiocommunicationAny radiocommunication involving the use of one or more space stations or the use of one or more reflecting satellites or other objects in space.
space research serviceA radiocommunication service in which spacecraft or other objects in space are used for scientific or technological research purposes. [NTIA] [RR]
space stationA station located on an object which is beyond, is intended to go beyond, or has been beyond, the major portion of the Earth's atmosphere.
space subsystemIn satellite communications, that portion of the satellite link that is in orbit.
Space Support OperationsOperations required to ensure that space control and support of terrestrial forces are maintained.
Space Surveillance (SPASUR)An operational space surveillance system with the mission to detect and determine the orbital elements of all man-made objects in orbit of the earth.
Space Surveillance Center (SSC)A center in CMAFB responsible for maintaining the satellite catalog, laser clearinghouse, collision and RFI avoidance, and Tracking and Impact Prediction…
space systemAny group of cooperating Earth stations and/or space stations employing space radiocommunication for specific purposes. [NTIA] [RR] [47CFR]
space telecommandThe use of radiocommunication for the transmission of signals to a space station to initiate, modify or terminate functions of equipment on an associated…
space telemetryThe use of telemetry for the transmission from a space station of results of measurements made in a spacecraft, including those relating to the…
space trackingDetermination of the orbit, velocity or instantaneous position of an object in space by means of radiodetermination, excluding primary radar, for the…
Space-Based Architecture Study (SBAS)A 1989 study to review the space-based elements of the Phase I SDS architecture, with emphasis on Space-Based Interceptor (SBI), Brilliant Pebbles (BP)…
Space-Based Interceptor (SBI)OBSOLETE. A distributed set of low earth orbit satellites that may provide launch detection and booster tracking, and that serve as kinetic or kinetic…
Space-Based SensorA system that provides global above-the-horizon surveillance to detect and track PBVs, object clusters (RVs and penaids ), and resolved midcourse objects…
space-division multiplexingA misnomer. Note: Space-division multiplexing has been improperly applied to the use of multiple physical transmission channels, e.g.
space-division switchingIn telephony, switching in which single transmission-path routing determination is accomplished in a switch by using a physically separated set of matrix…
spacecraftA man-made vehicle which is intended to go beyond the major portion of the Earth's atmosphere. [NTIA] [RR] [47CFR]
SpacetrackUSSPACECOM global system of radar, optical, and radiometric sensors linked to a computation and analysis center in the Space Surveillance Center.
spacing biasThe uniform lengthening of all spacing signal pulses at the expense of the pulse width of all marking signal pulses.