Technology Glossary : B


  • B
    At or Below (constrained altitude)
  • B roll
    This is video that enhances or tells the story. It was originally used to cover a jump cut in editing....
  • Backbone
    A transmission network that carries high speed telecommunications between locations. This is normally the main portion of a telecommunication network,...
  • background
    Any effect in a sensor or other apparatus or system above which the phenomenon of interest must manifest itself before...
  • background noise
    (1) In recording and reproducing, the unwanted disturbance within a useful frequency band, independent of whether or not a signal...
  • Backup
    (verb) to make a copy of a file or program for the purpose of restoring the data if the masters...
  • BALPA
    British Air Line Pilots Association
  • Balun
    An adapter for connecting an unbalanced coaxial transmission line to a balanced two-wire system.
  • Band Marking
    A continuous circumferential band applied to a conductor at regular intervals for identification.
  • band spectral
    An interval in the electromagnetic spectrum defined by two wavelengths, frequencies, or wave numbers. With Landsat, bands designate the specific...
  • banding
    Radiometric artifacts that affect all detectors in a spectral band, rather than the relative correction for striping of a single...
  • Bandwidth
    The information carrying capacity of the system. In analog systems, this is also the highest frequency that can be...
  • BANDWIDTH
    The capacity of a telecom line to carry signals. The necessary bandwidth is the amount of spectrum required to transmit...
  • Bandwidth
    The amount of data that can be moved to a computer a given period of time.
  • Bandwidth
    the amount of data that can be moved through a particular interface in a given period of time.
  • Bandwidth
    Maximum frequency that can be used to transmit a communication signal without excessive distortion. Measured in Hertz or cycles per...
  • BANDWIDTH
    The capacity of a telecom line to carry signals. The necessary bandwidth is the amount of spectrum required to transmit...
  • Bandwidth
    A range of frequencies in the broadcast spectrum that is occupied by a signal. (For example, a television channel may...
  • Banner Advertisement
    A typically rectangular advertisement on a web site placed above, below, or on the sides of the sites main content...
  • Base Station
    A land station in the land mobile service. For example, in cellular and personal communications uses, each cell has its...
  • Basic Trading Area BTA
    Geographic boundaries that segment the country for licensing purposes. BTAs are based on Rand McNally
  • BASIS
    British Airways Safety Information System
  • batch processing
    Pertaining to the technique of executing a set of computer programs such that each program of the set is completed...
  • Baud
    The number of signal level transitions per second in digital data. The term is often confused with bits per second....
  • Baud
    A measure of the speed at which data is transmitted, computed in number of elements changed per second. The "Baud...
  • Baud Rate
    The transmission rate at which data flows between computers. The baud rate is roughly equivalent to the number of bits...
  • Baud Rate
    the speed of data transmitted, equal to the number of elements sent per second (equal to bits per second if...
  • Baudot
    A seven-bit code, only five of which are information bits. Baudot is used by some text telephones to communicate with...
  • BER
    Bit Error Rate. The number of bit errors that occur within the space of one second. This measurement is one...
  • BF
    MarkAir
  • bias
    (1) In image processing, a persistent difference (not due to sampling error) between the true value of a population characteristic...
  • Bidding Credit
    A spectrum auction term. It is a credit given to eligible FCC auction applicants which allows them to receive a...
  • bidirectional reflectance
    A unitless measure of the ratio of incoming to outgoing radiation created from converting a radiometrically calibrated image to an...
  • Binary Information Unit or Binary Digit BIT
    The smallest unit of digital information. A single digit number in "base-2", either a 0 or a 10. Bandwidth is...
  • Bird
    A colloquial expression used to refer to a communications satellite.
  • bit
    (1) An abbreviation of binary digit. (2) A unit of memory corresponding to the ability to store the result of...
  • Bit
    the smallest unit of computer memory, eight of which constitute a byte. The value of each bit, as limited by...
  • Bit binary digit
    The smallest unit of information a computer can use. A bit is represented as a "0" or a "1" (also...
  • BIT E
    Built-ln-Test (Equipment)
  • Bit Rate
    the speed of binary data transmitted, equal to the number of digital bits sent per second. For EAS, 6250/12 =...
  • Bitnet
    An academic and research computer network that stores and forwards messages sent between users. This system was a precursor to...
  • black body
    An ideal body which, if it existed, would be a perfect absorber and a perfect radiator, absorbing all incident radiation,...
  • Blackout
    A term used to describe the non-broadcast of a live event (i.e. sports, cultural) usually imposed by the sponsor(s) of...
  • BLOCKING
    A process that prevents certain types of calls to or from customer premise equipment, keeping users from accessing alternate networks...
  • Bookmark
    a shortcut to an Internet site that is stored and accessed via a Web browser (also called "favorite").
  • Booster
    A television or FM broadcast station, operating at relatively low power that receives a distant input signal, amplifies it, and...
  • Bps
    Bytes per second. Term used by software engineers to describe bandwidth.
  • BRG
    Bearing
  • Bridge
    A device that allows multiple communication circuits to use a common circuit. Only one circuit can be connected to the...
  • brightness
    The attribute of visual perception in accordance with which an area appears to emit more or less light. One of...
  • brightness value
    (Landsat usage) A number in a range of 0-63, 0-127, or 0-255 that is related to the amount of radiance...
  • Broadband
    Generally used to describe data transmission requirements of greater than 128 Kbps.
  • BROADBAND
    Broadband is a descriptive term for evolving digital technologies that provide consumers a signal switched facility offering integrated access to...
  • BROADBAND
    Broadband is a descriptive term for evolving digital technologies that provide consumers a signal switched facility offering integrated access to...
  • Broadband
    Broadband is a descriptive term for evolving digital technologies offering consumers a single switched facility offering integrated access to voice,...
  • Broadcast
    To transmit a signal over the spectrum to be received by two or more receiving de-vices.
  • Broadcast Transmission
    Sending the same signal to many locations.
  • Browser
    A software application used to locate and display web pages. The two most popular web browsers are Netscape
  • Browser
    see Web browser.
  • Browser
    Software that allows you to "surf " the Internet. Netscape, Mosaic, and Internet Explorer are examples of Web browsers. A...
  • Browser
    A software program used to query, search and view information on computer sites connected to the Internet.
  • BRT
    Brightness
  • BSPP Broadcast Service Protection Program
    EAS sources that have government-furnished equipment.
  • buffer
    A temporary storage device or circuitry which retains data for transmission between two equipment units, usually in order to compensate...
  • Bug
    a glitch that keeps a software program from being able to perform all of its capabilities or that affects its...
  • Build versus buy analysis
    a process of considering the needs of the organization and the available options, costs, and staff to determine the most...
  • Building Wire
    Insulated single conductors, 600 volts, used for supplying power for lighting, operating machinery, controls, etc. Usually installed through conduits/trays inside...
  • bumper mode
    Satellite scanners operating in backup bumper mode. Landsat-type sensors such as the Thematic Mapper (TM) and the Enhanced Thematic Mapper...
  • Bundle
    A group of wires (or fiber strands) contained within a single wrapper.
  • Bus
    An electrical transmission path for carrying information, usually serving a shared connection for multiple devices.
  • Business case
    a document providing a description of the desired technology solution and the anticipated costs and benefits.
  • Business process re engineering
    the process of solving an organization
  • Byte
    Eight bits of data.
  • byte
    A group of consecutive bits (usually 8 bits) that is operated upon as a single unit of information in a...
  • Byte
    the amount of memory space needed to store one number, letter or symbol in a computer.
  • Byte
    A set of "bits" that represent a single character. Usually there are eight bits in a Byte.

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