Technology — page 64 of 206

20,531 terms including subtopics (0 terms filed directly here)

Subtopics

Technology terms

  1. EOF End of File. Sometimes used metaphorically as the terminating string of a "here document".
  2. EOL End Of Life. The period when a product is supported but not sold.
  3. EOM End of Message.
  4. EOP Executive Office of the President
  5. EORSAT ELINT Ocean Reconnaissance Satellite (US).
  6. EOS Earth Orbiting System (NASA term).
  7. EOSH Environmental Operational Safety and Health.
  8. EOT Abbreviation for end-of-transmission character.
  9. EOW Abbreviation for engineering orderwire.
  10. EP (1) Engagement Planning. (2) Evaluation Plan
  11. EP Cycle Engagement Planner Cycle (NMD BMC2 term).
  12. EPA See Environmental Protection Agency.
  13. EPD See: expected progeny difference.
  14. Ephemeral Keys Short-lived cryptographic keys that are statistically unique to each execution of a key establishment process and meets other requirements of the key type…
  15. ephemeral store See instance store>/a>.
  16. ephemeris A electronic or hard-copy table or listing of the predicted positions of astronomical bodies such as the planets or the Moon; and by extension, the…
  17. Ephemeris/ Ephemerides (1) A table showing the positions of an object in space at regular intervals of time.
  18. EPITS Essential Program Information Technology and Systems.
  19. EPL Emitter Parameter Listing (USN term).
  20. EPLRS Enhanced Position Locator Reporting System.
  21. EPO European Patent Office
  22. epoch The date from which time is measured. For most Unix environments, the epoch is January 1, 1970.
  23. epoch date A date in history, chosen as the reference date from which time is measured. Note 1: An example of an epoch date is the beginning instant of January 1…
  24. EPP Electric Power Plant (PATRIOT).
  25. EPROM Electrically Programmable Read-Only Memory.
  26. EQEC EurQuantum Electronics Conference (See CLEO).
  27. equal access costs Include only initial incremental presubscription costs and initial incremental expenditures for hardware and software related directly to the provision of…
  28. Equal Error Rate (EER) A statistic used to show biometric performance, typically when operating in the verification task.
  29. equal gain combiner A diversity combiner in which the signals on each channel are added. Note: The channel gains can be made to remain always and everywhere equal so that the…
  30. Equal Level Echo Path Loss The term "Equal Level Echo Path Loss" (ELEPL) denotes the measure of Echo Path Loss (EPL) at a 4-wire interface which is corrected by the difference…
  31. equal-length code A telegraph or a data code in which (a) all the words or code groups are composed of the same number of unit elements, (b) each element has the same…
  32. equal-level patch bay An analog patching facility at which all nominal input and output voice frequency levels are uniform.
  33. equalization The maintenance of system transfer function characteristics within specified limits by modifying circuit parameters.
  34. equation item An arithmetic expression used in place of an itemname in an ARC/INFO command. For example, to list feature areas, a user could specify LIST AREA; to list…
  35. Equator The parallel of reference 0 north or south.
  36. equatorial orbit For a satellite orbiting the Earth, an orbit in the equatorial plane. Note: An equatorial orbit has an inclination angle of 0°.
  37. equilibrium coupling length Synonym equilibrium length.
  38. equilibrium length For a specific excitation condition, the length of multimode optical fiber necessary to attain equilibrium mode distribution.
  39. equilibrium mode distribution (EMD) That condition in a multimode fiber wherein after propagation has taken place for a certain distance, called the "equilibrium length," the relative power…
  40. equilibrium mode distribution length Synonym equilibrium length.
  41. equilibrium mode power distribution Synonym equilibrium mode distribution.
  42. equilibrium mode simulator For an optical fiber, a device or optical system used to create an approximation of the equilibrium mode distribution.
  43. equipment clock A clock that satisfies the particular needs of equipment and, in some cases, may control the flow of data at the equipment interface.
  44. equipment intermodulation noise Intermodulation noise introduced into a system by a specific piece of equipment.
  45. equipment mailbox An equipment mailbox is a type of resource mailbox that is assigned to a non-location-specific resource such as a laptop projector, microphone, or company…
  46. Equipment Operationally Ready The status of an item of equipment in the possession of an operating unit that indicates it is capable of fulfilling its intended mission and in a system…
  47. equipment room In a building, a centralized space for telecommunications equipment that serves the occupants of the building.
  48. equipment side The portion of a device that is directly connected to facilities internal to a station, such as the data terminal equipment (DTE) side of the…
  49. equipotential ground plane A mass, or bonded masses, of conducting material that offer a negligible impedance to current flow.
  50. equity holder A Federal or Presidential organization that owns or has a stake in information found in a record, and so must participate in decisions relating to the…
  51. Equivalent Equal under patent law. MPEP 904.01(b), MPEP 2144.06, MPEP 2183.
  52. equivalent gauge A standard cross section of cable conductors for use in equating the metallic content of cable conductors of all gauges to a common base. [47 CFR Pt.36-A]
  53. equivalent network In a system, a network that may replace another network without altering the performance of the system. 2.
  54. equivalent noise resistance A quantitative representation in resistance units of the spectral density of a noise-voltage generator, given by Rn = (Wn)/(kT0), where Wn is the spectral…
  55. equivalent noise temperature The temperature, usually expressed in kelvins, of a hypothetical matched resistance at the input of an assumed noiseless device, such as a noiseless…
  56. equivalent pair kilometers The product of sheath kilometers and the number of equivalent gauge pairs of conductors in a cable. [47 CFR Pt.36-A]
  57. equivalent pulse code modulation (PCM) noise The amount of thermal noise power on a frequency-division multiplexed (FDM) or wire channel necessary to approximate the same judgment of speech quality…
  58. equivalent satellite link noise temperature The noise temperature referred to the output of the receiving antenna of the Earth station corresponding to the radio-frequency noise power which produces…
  59. equivalent sheath kilometers The product of (a) the length of a section of cable in kilometers (sheath kilometers) and (b) the ratio of the metallic content applicable to a particular…
  60. ER Describes cells that do not have a protein to which the hormone estrogen will bind.
  61. ER link Abbreviation for emergency response link.
  62. ERA A time period dominated by a particular physical process.
  63. ERADCOM OBSOLETE. Army Electronics Research and Development Command. (Now Laboratory Command (LABCOM), Adelphi, MD.) 97
  64. erase To obliterate information from a storage medium, such as to clear or to overwrite. 2.
  65. erasure [A] process intended to render magnetically stored information irretrievable by normal means. [INFOSEC-99]
  66. ERCS Emergency Rocket Communications System (US).
  67. ERD Element Requirements Document.
  68. erect position In frequency-division multiplexing, a position of a translated channel in which an increase signal frequency in the untranslated channel causes an…
  69. ERG A unit of work done by the force of one dyne acting through a distance of one centimeter.
  70. ERINT OBSOLETE. Extended Range Interceptor. Now referred to as PAC-3.
  71. ERIS OBSOLETE. Exoatmospheric Reentry Vehicle Interceptor Subsystem. (Predecessor to Ground-Based Interceptor (GBI).)
  72. ERIS(F) OBSOLETE. ERIS Farm.
  73. erlang A dimensionless unit of the average traffic intensity (occupancy) of a facility during a period of time, usually a busy hour.
  74. ERM See electronic records management (ERM) and enterprise report management (ERM).
  75. ERM (electronic records management) The application of records management principles to electronic records The management of records using electronic systems to apply records management…
  76. ERM (enterprise report management) A system that transforms reports into documents and data that can be searched, accessed, and leveraged in business processes Also referred to as…
  77. ERP Emitted Radiative Power.
  78. ERR (1) Element Requirements Review. (2) Engineering Release Record.
  79. errno The error number returned by a "syscall" when it fails. Perl refers to the error by the name $! (or $OS_ERROR if you use the English module).
  80. erroneous block A block in which there are one or more erroneous bits.
  81. error Error The difference between a measured value of a quantity and its true value. Different types of errors are inherent to observations.
  82. error blocks In video, a form of block distortion where one or more blocks in the image bear no resemblance to the current or previous scene and often contrast greatly…
  83. error budget The bit-error-ratio requirement allocated to the respective segments of a communications system, such as trunking, switching, access, and terminal…
  84. error burst A contiguous sequence of symbols, received over a data transmission channel, such that the first and last symbols are in error and there exists no…
  85. Error Code Lookup A tool that can help to determine error values from decimal and hexadecimal error codes in Microsoft Windows operating systems.
  86. error concealment In the receipt and processing of digitized television transmissions, a method of covering up errors from dropouts by using the redundancy in most…
  87. error control Any technique that will detect or correct errors.
  88. error correction In the reception or processing of digital data, the use of overhead bits and appropriate algorithms to detect, and within certain constraints, restore a…
  89. Error Detection Code A code computed from data and comprised of redundant bits of information designed to detect, but not correct, unintentional changes in the data.
  90. error message In a computer or communications system, a message that indicates that an error has been made and, sometimes, the nature or type of error. [From Weik '89]
  91. Error page A web page stating an error message such as "File Not Found"
  92. Error Rate the frequency at which one deviates or strays from a correct standard.
  93. error ratio The ratio of the number of bits, elements, characters, or blocks incorrectly received to the total number of bits, elements, characters, or blocks sent…
  94. error signal In computer and communications systems, an audio or visual signal that indicates that an error has been made by the system or its operator.
  95. error-correcting code A code in which each telegraph or data signal conforms to specific rules of construction so that departures from this construction in the received signal…
  96. Error-Correcting Code (ECC) Memory A type of memory that includes special circuitry for testing the accuracy of data as it passes in and out of memory.
  97. error-correcting system In digital data transmission, a system employing either forward error correction (FEC) or automatic repeat-request (ARQ) techniques such that most…
  98. error-detecting code A code in which each telegraph or data signal conforms to specific rules of construction, so that departures from this construction in the received signal…
  99. error-detecting system A system employing an error-detecting code and so arranged that any signal detected as being in error is either deleted from the data delivered to the…
  100. error-detecting-and-feedback system Synonym ARQ.