ImageTo image a hard drive is to make an identical copy of the hard drive, including empty sectors.
image antennaA hypothetical mirror-image, i.e., virtual-image, of an antenna, i.e., antenna element, considered to extend as far below ground, i.e.
image captureThe transducing of the information in a real image into the photographic or electronic medium.
image catalogAn organized set of spatially referenced, possibly overlapping, images that can be accessed as one logical image.
image compressionApplication of an appropriate transfer function to an image signal so as to limit dynamic range. 2.
image enhancementIn video technology, a technique used to improve contrast and picture clarity by flattening the camera response to 400 lines (by aperture correction) and…
image file architectureThe formalization of a multidisciplinary agreement-regarding digital image characteristics, such as the structure of digital image files, the organization…
image file descriptorA block of data that (a) may contain, in standardized format, data concerning production, ownership, access, previous processing, etc.
image file headerA compact label for image files, created using a universally accepted algorithm, that (a) identifies the encoding standard, (b) specifies the length of…
image file motion-picture formatThe defining file format for exchange of digital motion-picture information on a variety of media between computer-based systems.
image file video indexA recommended practice intended to provide a method of coding video index information in which various picture- and program-related source data can be…
image frequencyIn radio reception using heterodyning in the tuning process, an undesired input frequency that is capable of producing the same intermediate frequency…
image generationThe creation of an image from an image concept. Note: The image can be created with computer-graphics software or photography, for example.
image integratorA collection of image management and display tools in ARC/INFO that allows vector and raster data to be displayed concurrently.
image mapAn image divided into logical areas, each of which has a hot spot.
image rejection ratioIn reception using heterodyning in the tuning process, the ratio of (a) the intermediate-frequency (IF) signal level produced by the desired input…
image-based setupA process that uses installation technologies that install Windows images (.wim files).
imagery(IH-mij-ree) A technique in which the person focuses on positive images in his or her mind.
Imagery CorrelationThe mutual relationship between the different signatures on imagery from different types of sensors in terms of position and the physical characteristics…
Imagery Intelligence (IMINT)Intelligence derived from the exploitation of collection by visual photography, infrared sensors, lasers, electro-optics, and radar sensors (such as…
imaging(IH-muh-jing) In medicine, a process that makes pictures of areas inside the body.
IMAPA protocol that defines an email server and a way to retrieve mail from it. IMAP is a more recent and more advanced standard for mail storage than POP.
immediate activationIn cryptology, a condition of readiness associated with a key having no effective date.
Immediate Kill ModeA kill mode in which the target is immediately catastrophically destroyed by impact with the KV or KED.
immediate messageA category of precedence reserved for messages relating to situations that gravely affect the security of national/allied forces or populace and that…
Immunity(ih-MYOO-nih-tee) The condition of being protected against an infectious disease.
immutable objectAn object whose state may not be changed. Objects of the String class are immutable, for instance - their length and contents are fixed once created.
ImpactThe effect, influence, alteration, or imprint caused by an action.
Impact Point Prediction (IPP)Prediction of the point on the earths surface where a specific RV will impact, usually specified in terms of the circular error probable.
ImpairedIs where an individual circuit exceeds the transmission limits or where the quality of service is diminished.
impatienceThe anger you feel when the computer is being lazy. This makes you write programs that don't just react to your needs, but actually anticipate them.
impedanceThe amount of resistance (or cost) required to traverse a line from its origin node to its destination node or to make a turn (i.e.
impedance matchingThe connection of an additional impedance to an existing one in order to accomplish a specific effect, such as to balance a circuit or to reduce…
imperative programmingThe style of programming usually associated with languages such as C, Fortran, Pascal and so on.
impersonationThe ability of a thread to run in the security context of a security principal different from the security principal that started the process.
implantA substance or object that is put in the body as a prosthesis, or for treatment or diagnosis.
ImplementationHow a piece of code actually goes about doing its job. Users of the code should not count on implementation details staying the same unless they are part…
implementsA Java keyword included in the class declaration to specify any interfaces that are implemented by the current class.
implements clauseThat part of of a class header that indicates which interfaces are implemented by the class. A class may implement more than one interface.
implicit congestion controlA scheme under which user terminals first detect a possible congestion condition by means other than explicit congestion messages, and then take…
Implicit CoordinationMany independent battle managers (computers) use the same algorithms to derive a common calculated result.
implicit servicesServices that a platform provides without a direct request [POSIX.0].
implicit type conversionType conversion that does not require a cast. Implicit type conversions typically do not involve any loss of information.
ImportData brought into an environment or application which has been exported from another environment or application.
import statementA statement that makes the names of one or more classes or interfaces available in a different package from the one in which they are defined.
Import/ExportA storage and content delivery service that accelerates the rate it takes to move large amounts of data into and out of AWS using storage devices that are…
ImpostorA person who submits a biometric sample in either an intentional or inadvertent attempt to claim the identity of another person to a biometric system.
ImpressionThe number of times your search ad is served to users by search engines.
Impression loggingThe ability to log all query results thatÃÂ are displayed to the end-user. This means that each query result generates an impression log entry for…
improved-definition television (IDTV)Television transmitters and receivers that (a) are built to satisfy performance requirements over and above those required by the NTSC standard and (b)…
Impulse(abbrev. IMPL) Alternate term for Upper Level System and Shortwave; a general term for any large-scale or mesoscale disturbance capable of producing…
impulse excitationThe production of oscillation in a circuit or device by impressing a stimulus (signal) for a period that is extremely short compared to the duration of…
Impulse Intensity (II)Mechanical impulse per unit area. The System Internationale unit of impulse intensity is the Pascal-second (abbreviated Pa-s).
Impulse KillThe destruction of a target, using directed energy, by ablative shock. The intensity of directed energy may be so great that the surface of the target…
impulse noiseNoise consisting of random occurrences of energy spikes having random amplitude and spectral content.
impulse responseOf a device, the mathematical function that describes the output waveform that results when the input is excited by a unit impulse. 2.
in callA UPT (Universal Personal Telecommunications) call type which permits a UPT user to have calls to his/her UPT number routed to the terminal specified by…
in call deliveryA feature by which incoming calls are presented at the terminal address registered previously by in-call registration.
In ServiceA code or block for which local routing information has been input to the LERG Routing Guide and the carrier has begun to activate and assign numbers…
in-bandUsing or involving the information digit time slots of a DS1 frame; i.e., bit assignments of a frame exclusive of the framing bit.
in-band controlControl effected by sending control information over the same channel as the one used to send data.
in-band noise power ratioFor multichannel equipment, the ratio of (a) the mean noise power measured in any channel, with all channels loaded with white noise, to (b) the mean…
in-band signalingSignaling that uses frequencies or time slots within the bandwidth or data stream occupied by the information channel.
in-call registrationA feature that enables the UPT (Universal Personal Telecommunications service) user to register from the current terminal address for incoming calls to be…
In-Country/Region Number FormatThe string that is used to define how to create an in-country/region number to use when making calls from a dial plan. [Exchange 2007]
In-Flight Target UpdateA data report, which contains updated, predict- ahead target position, time, and velocity for interceptor weapons to use in making midcourse correction.
In-Flight Target Update (FTU)A report to in-flight interceptor weapons. The IFTU provides updated, predictahead target position, time, and velocity for use within the interceptors…
In-Flight Target Update (IFTU)A report to in-flight interceptor weapons. The IFTU provides updated, predict-ahead target position, time, and velocity for use within the interceptors…
In-LineAn operational, not dormant, component, equipment or element of a weapons system which is participating in accompliching the systems directed assignment…
in-place upgradeIn Exchange Server documentation, this is the scenario in which you upgrade to a newer version of Microsoft Exchange software on a single computer.
In-Process Review (IPR)Review of a project or program at critical points to evaluate status and make recommendations to the decision authority; also called Interim Program…
in-slot signalingSignaling performed in the associated channel time slot.
inactive fileA record used infrequently, generally less than every three months.
Inactive RecordInactive records are those Records related to closed, completed, or concluded activities.
inactive recordsThose records no longer needed to conduct business. Usually those records referred to no more than once per cubic foot per month.