Technology terms starting with T

1,205 terms

  1. Transmission Control Protocol/Internet Protocol (TCP/IP) A collection of protocols that define the basic workings of the features of the Internet.
  2. transmission frame A data structure, beginning and ending with delimiters, that consists of fields predetermined by a protocol for the transmission of user data and control…
  3. transmission level At a specified point in a telecommunications system, the power that is measured when a standard test signal, e.g.
  4. transmission level point (TLP) In a telecommunications system, a test point, i.e., a point where a signal may be inserted or measured, and for which the nominal power of a test signal…
  5. Transmission line A set of electrical current conductors, insulators, supporting structures, and associated equipment used to move large quantities of power at high…
  6. transmission loss The decrease in power that occurs during transmission from one point to another. Note: Transmission loss is usually expressed in dB.
  7. Transmission Measuring (105 Type) Test Line/Responder The term "Transmission Measuring (105 Type) Test Line/Responder" denotes an arrangement in an end office which provides far-end access to a responder and…
  8. transmission medium Any material substance, such as fiber-optic cable, twisted-wire pair, coaxial cable, dielectric-slab waveguide, water, and air, that can be used for the…
  9. Transmission Security (TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis.
  10. transmission security key (TSK) [A] key that is used in the control of TRANSEC (transmission security) processes, such as frequency hopping and spread spectrum. [INFOSEC-99]
  11. transmission service channel In video systems, the one-way transmission path between two designated points.
  12. Transmission Specifications The term "Transmission Specifications" denotes the appropriate limits, e.g., acceptance and immediate action limits, of the Access Service transmission…
  13. transmission system Part of a communication system organized to accomplish the transfer of information from one point to one or more other points by means of signals.
  14. transmission time In facsimile, the interval between the start of picture signals and the detection of the end-of-message signal by the receiver for a single document.
  15. transmission window Synonym spectral window. See window.
  16. Transmissivity The rate at which water of the prevailing kinematic viscosity is transmitted through a unit width of the aquifer under a unit hydraulic gradient.
  17. transmit flow control In data communications systems, control of the rate at which data are transmitted from a terminal so that the data can be received by another terminal.
  18. transmit objective loudness rating (TOLR) The ratio in dB of the sound pressure produced by a speaker to the voltage produced by a telephone and loop as defined by ANSI/IEEE 661-1997. [T1.255-1997]
  19. transmit signal The signal sent across an interface la or lb from the associated equipment. [T1.408-1990]
  20. transmit-after-receive time delay The time interval from removal of rf energy at the local receiver input until the local transmitter is automatically keyed on and the transmitted rf…
  21. transmittal list A document that lists the records being transferred from one area to another Note: A transmittal list may also transfer legal responsibility for and the…
  22. transmittance The ratio of the transmitted power to the incident power. Note 1: In optics, transmittance is usually expressed as optical density or in percent.
  23. Transmitter Sends the electronic return data directly to the IRS.
  24. transmitter attack-time delay The interval from the instant a transmitter is keyed-on to the instant the transmitted radio frequency (rf) signal amplitude has increased to a specified…
  25. transmitter central wavelength range (λtmax - λtmin) In optical communication, the total allowed range of transmitter central wavelengths caused by the combined worst-case variations due to manufacturing…
  26. transmitter power output rating The power output of a radio transmitter under stated conditions of operation and measurement.
  27. transmitter release-time delay The interval from the instant a transmitter is keyed-off to the instant the transmitted radio frequency (rf) signal amplitude has decreased to a specified…
  28. transmitter-receiver pair A one-way 15-kHz program system comprised of a transmitting terminal connected via a DS1 digital link to a receiving terminal. [T1.305-1990]
  29. transmultiplexer Equipment that transforms signals derived from frequency-division multiplex equipment, such as group or supergroups, to time-division-multiplexed signals…
  30. Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others.
  31. Transparency Transparency is a measure of how much information you have about the markets where you invest, the corporations whose stocks or bonds you buy, or the…
  32. transparent failover A client application that automatically reconnects to a new server without the user taking any action.
  33. transparent interface An interface that allows the connection and operation of a system, subsystem, or equipment with another without modification of system characteristics or…
  34. transparent IP failover Moving the IP address from one network interface card (NIC), in the same node or another node, to another NIC that is attached to the same IP subnet so…
  35. transparent loopback A loopback in which the signal is transmitted beyond the loopback point (the forward signal).
  36. transparent network See transparency.
  37. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation.
  38. transport To move or be conveyed from one place to another. In the context of environmental contamination, a contaminant is transported from one location to another…
  39. transport dumpster In Exchange Server 2007, a feature of the Hub Transport server role that is only enabled for cluster continuous replication (CCR).
  40. Transport Layer See Open Systems Interconnection--Reference Model.
  41. Transport Layer Security (TLS) A cryptographic protocol that provides security for communication over the Internet. Its predecessor is Secure Sockets Layer (SSL).
  42. transport overhead The overhead added to the STS SPE (synchronous transport signal -- synchronous payload envelope) for transport purposes.
  43. transport rule A concept that implements a single function point of a transport messaging policy.
  44. Transport Rules agent An Exchange Server 2007 agent that enables organizations to apply compliance and policy based transport rules to e-mail messages that are sent to or…
  45. transport-level security Uses transport-level security (TLS) mechanisms.
  46. transportability In communications, the quality of equipment, devices, systems, and associated hardware that permits their being moved from one location to another to…
  47. transportable station A station which is transferred to various fixed locations but is not intended to be used while in motion. [NTIA]
  48. Transportation The means and aids for conveying people and goods. For example, resources describing roads, airports and airstrips, shipping routes, tunnels, railways and…
  49. transposition The movement of a DNA segment within the genome of an organism.
  50. transverse electric (TE) mode A mode whose electric field vector is normal to the direction of propagation. Note: TE modes may be useful modes in waveguides.
  51. transverse electric and magnetic (TEM) mode A mode whose electric and magnetic field vectors are both normal to the direction of propagation.
  52. transverse magnetic (TM) mode A mode whose magnetic field vector is normal to the direction of propagation. Note: TM modes may be useful in waveguides.
  53. transverse offset loss Synonym lateral offset loss.
  54. transverse parity check A parity check performed on a group of binary digits recorded on parallel tracks of a data medium, such as a magnetic disk, tape, drum, or card.
  55. transverse redundancy check (TRC) In synchronized parallel bit streams, a redundancy check (a) that is based on the formation of a block check following preset rules, (b) in which the…
  56. transverse resolution In a facsimile receiver, the dimension that (a) is perpendicular to a scanning line and (b) is the smallest recognizable detail of the image produced by…
  57. TRAP Tactical Receiver and Related Applications.
  58. Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented.
  59. trapdoor 1. A hidden software or hardware mechanism, usually created for testing and troubleshooting, that may be used to circumvent computer security. [2382-pt.
  60. Trapezoidal error A change in the angle of a recorded helical scan track. Can result in mistracking.
  61. trapped electromagnetic wave An electromagnetic wave that enters a layer of material that is surrounded on both sides by a layer of material of a lesser refractive index such that, if…
  62. trapped mode Synonym bound mode.
  63. trapped ray Synonym guided ray.
  64. traveling salesman problem This is a classic tour problem in which a hypothetical salesman must find the most efficient sequence of destinations in his territory, stopping only once…
  65. traveling wave A wave that (a) propagates in a transmission medium, (b) has a velocity determined by the launching conditions and the physical properties of the medium…
  66. Traveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in…
  67. Traverse To dispute the decision of an Examiner. In proceedings before the USPTO, failing to traverse an Examiner's reliance on alleged "common knowledge" or…
  68. Traverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area.
  69. TRB Technical Review Board - an internal OCIO group that reviews IT project development at critical stages for conformance with USPTO standards and guidance.
  70. TRD Technical Requirements Document.
  71. TRE Tactical Receive Equipment.
  72. TREA Transmit/Receive Element Array (THAAD).
  73. Tree Transient Radiation Effects on Electronics.
  74. tree network See network topology.
  75. tree quota A type of disk quota that restricts the disk usage of a qtree.
  76. tree search In a tree structure, a search in which it is possible to decide, at each step, which part of the tree may be rejected without a further search.
  77. tree structure A hierarchical organization in which a given node is considered to be an ancestor of all the lower level nodes to which the given node is connected.
  78. tree topology See network topology.
  79. TREM Total Radiation Environment Model.
  80. tremendously high frequency (THF) Frequencies from 300 GHz to 3000 GHz. See electromagnetic spectrum.
  81. TREPS See Thrusted Replicas.
  82. TRESIM Tactical Receive Equipment Simulator. 306
  83. TRG Threat Reference Guide.
  84. TRI-TAC Tri-Service Tactical Digital Communications System.
  85. TRI-TAC equipment Equipment that (a) accommodates the transition from current manual and analog systems to fully automated digital systems and (b) provides for message…
  86. Triangulated Irregular Network (TIN) A surface representation derived from irregularly spaced sample points and breakline features.
  87. triangulation A method of surveying in the location of an object may be calculated from the known locations of two other objects.
  88. triaxial cable A specialized form of coaxial cable, circular in cross-section and consisting of (a) a center conductor, often a solid wire but sometimes braided…
  89. tributary circuit A circuit between a tributary office and a toll switchboard or intertoll dialing equipment in a toll center city. [47 CFR Pt.36-A]
  90. tributary office A local office which is located outside the exchange in which a toll center is located, which has a different rate center from its toll center and which…
  91. tributary station In a data network, a station other than the control station. 2. On a multipoint connection or a point-to-point connection using basic mode link control…
  92. TRIDENT Class of US ballistic missile submarines (USN term).
  93. TRIDENT I (C-4) US SLBM (USN term).
  94. TRIDENT II (D-5) US SLBM (USN term).
  95. trigger (TRIH-ger) In medicine, a specific event that starts a process or that causes a particular outcome.
  96. Trigger Service An aggregator service (in WS MDS) that collects information and compares that data against a set of conditions defined in a configuration file.
  97. TRIM Toxic Reduction Investment and Management.
  98. trim effect In a crystal oscillator, the degradation of frequency-vs.-temperature stability, and marked frequency offset, resulting from frequency adjustment which…
  99. trinary Not a stellar system with three stars, but an "operator" taking three operands. Sometimes pronounced "ternary".
  100. Triple A basic RDF statement resembling the English-Language construct of [subject predicate object] that is made up of [Resource property Resource] or [Resource…