FM blanketingThat form of interference to the reception of other broadcast stations, which is caused by the presence of an FM broadcast signal of 115 dB (562 mV/m) or…
FM improvement factorThe quotient obtained by dividing the signal-to-noise ratio (SNR) at the output of an FM receiver by the carrier-to-noise ratio (CNR) at the input of the…
FM improvement thresholdThe point in an FM receiver at which the peaks in the rf signal equal the peaks of the thermal noise generated in the receiver.
FM threshold effectIn an FM receiver, the effect produced when the desired-signal gain begins to limit the desired signal, and thus noise limiting (suppression).
FM threshold extensionA change in the value of the FM threshold of a receiver. Note: FM threshold extension may be obtained by decreasing the operational bandwidth, thus…
FMTEYEWTKFar More Than Everything You Ever Wanted To Know. An exhaustive treatise on one narrow topic, something of a super-"FAQ". See Tom for far more.
FMTVFamily of Medium Tactical Vehicles (USA term).
FNFast-Narrow. A type of SCSI bus that supports 8-bit transfer.
Focal PlaneThe plane, perpendicular to the optical axis of the lens, in which images of points in the object field of the lens are focused.
Focal Plane Array (FPA)An FPA is a matrix of photon sensitive detectors which, when combined with low noise preamplifiers, provides image data for the signal frequencies of…
FogFine particles of liquid suspended in the air, such as of water in a fog chamber used for acclimatizing recent ex vitro transplants. See: mist propagation.
FOIAFreedom of Information Act -- see Electronic Freedom of Information Act for more
Folded OpticsAny optical system containing reflecting components for the purpose of reducing the physical length of the system or for the purpose of changing the path…
folder paneThe workspace area that shows the folders and views available in the opened application.
folder treeA hierarchical display of folder organization.
Follow-On Operational Test and Evaluation (FOT&E)That test and evaluation that is necessary during and after the production period to refine the estimates made during operational test and evaluation, to…
fonda French archival term meaning "source", and in archival work it refers to the entire body of records produced by one functional corporate activity; often…
fontA logical set of related patterns representing text characters or point symbols. Courier, Helvetica and Times are three types of font.
Font and Background SpoofsVarious techniques used to place invisible text in a web page, to improve positioning without affecting the appearance of the page.
FootprintThe land or water area covered by a project. This includes direct physical coverage (i.e.
Force ClosureThe point in time when a supported commander determines that sufficient personnel and equipment are in the assigned area of operations to carry out…
Force Development Test and EvaluationTests employing representative users to examine definition of materiel requirements or support/assess development of doctrine, training, organization, and…
Force Development Test and ExperimentationTests employing representative users to examine definition of materiel requirements or support/assess development of doctrine, training, organization, and…
Force Integration Staff OfficerArmy individual assigned to ODCSOPS to serve as HQDA user representative for a specific system.
Force ManagementThe assessment of the effectiveness of the defense forces throughout an engagement and adjustment of tactics and the system configuration as necessary to…
Force ReliabilityThe percentage of the missile force that will successfully detonate within 3.5 CEPs of the target.
forced reroutingA procedure of transferring signaling traffic from one signaling route to another, when the signaling route in use fails or is required to be cleared of…
FORDTISForeign Disclosure Technical Information System.
Foreign connectorAn Exchange Server 2007 connector that uses a Drop directory on a Hub Transport server to send messages to a local messaging server that doesn't use the…
foreign exchange (FX) serviceA network-provided service in which a telephone in a given local exchange area is connected, via a private line, to a central office in another, i.e.
foreign gateway connection handlerIn Exchange Server 2007, a component of the Microsoft Exchange Transport service that manages delivery of messages to Drop directories that are configured…
Foreign Government InformationInformation that is (1) provided to the United States by a foreign government or governments, an internal organization of governments, or any element…
foreign keyOne or more table attributes that can uniquely identify a record in another table. A foreign key is the primary key of another table.
Foreign Military Sales (FMS)That portion of U.S. security assistance authorized by the Foreign Assistance Act of 1961, as amended, and the Arms Export Control Act, as amended.
Foreign Security Policy ModelA mathematically precise statement of a security policy. To be adequately precise, such a model must represent the initial state of a system, the way in…
foreign systemA messaging system other than Exchange. [Exchange 5.5]
Forensic CopyA precise bit-by-bit copy of a computer system's hard drive, including slack and unallocated space.
Forensic SpecialistA professional who locates, identifies, collects, analyzes and examines data while preserving the integrity and maintaining a strict chain of custody of…
Forensics, ComputerThe practice of gathering, retaining, and analyzing computer-related data for investigative purposes in a manner that maintains the integrity of the data.
ForestTerrestrial ecosystem (biome) with enough average annual precipitation (at least 76 centimeters or 30 inches) to support growth of various species of…
ForestPrepA tool that is used during deployment to extend the Active Directory schema to include Exchange-specific classes and attributes.
forkTerms used to refer to a Unix fork, supported MJS scheduler mechanism.
formThe mass or shape of an object or objects that appears unified, such as a vegetative opening in a forest, a cliff formation, or a water tank.
Form, Fit, and Function DataTechnical data pertaining to items, components or processes for the purpose of identifying source, size, configuration, mating and attachment…
form-based authenticationAn authentication mechanism in which a Web container provides an application-specific form for logging in.
formal argumentThe definition of a method's argument which are part of a method header. Each formal argument has an associated type.
formal argumentsThe generic names by which a "subroutine" knows its arguments. In many languages, formal arguments are always given individual names, but in Perl, the…
formal parameter listThe parameters specified in the definition of a particular method. See also actual parameter list.
formal proofA complete and convincing mathematical argument, presenting the full logical justification for each proof step, for the truth of a theorem or set of…
Formal Qualification ReviewA systems level configuration audit conducted after system testing is completed to ensure that performance requirements have been met.
formal security policy model1. A mathematically precise statement of a system security policy. Some formal modeling techniques include: state transition models, temporal logic…
formal top-level specification (FTLS)A Top-Level Specification that is written in a formal mathematical language to allow theorems showing correspondence of the system specification to its…
formal verificationThe process of using formal proofs to demonstrate the consistency (design verification) between a formal specification of a system and a formal security…
FormatThe internal structure of a file, which defines the way it is stored and used. Specific applications may define unique formats for their data (i.e.
format converter1. In video and television technology, a device that allows the reformatting of a digital data stream originating from one sampling structure (lines per…
format structureA combination of two or more data elements grouped in a prescribed sequence. [T1.201-1987] [T1.205-1988]
Formatting FunctionThe function that transforms the payload, associated data, and nonce into a sequence of complete blocks.
Formerly Restricted DataInformation removed from the RESTRICTED DATA category upon joint determination by DoE (or antecedent agencies) and DoD that such information relates…
forms analysisprocess of determining how a form is to be used or revised
forms digestprocess of creating a form, based on forms analysis, that meets the requirements of its potential use
forms interfaceA graphic user interface characterized by user-controlled movement of a cursor from one data field to another. Contrast to command line interface.
forms management/controlfunction that establishes standards for the creation, design, analysis, revision, procurement, and warehousing of all forms within an organization…
forms-based authenticationForms-based authentication provides a Web logon screen for users to authenticate to gain access to their mailboxes when using Microsoft Outlook Web Access.
formulaAn expression that has program-like attributes; for example, you can assign values to variables and use a limited control logic.