Look up: Transponder


  1. Transponder
    [aviation] A transponder (short-for transmitter-responder and sometimes abbreviated to XPDR, XPNDR, TPDR or TP) is an electronic device that produces a response when it receives a radio-frequency interrogation. Aircraft have transponders to assist in identifying them on radar and on other ai...
    Found op http://en.wikipedia.org/wiki/Transponder_(aviation)

  2. Transponder
    Electronic device which combines a transmitter and a receiver.
    Found op http://www.encyclo.co.uk/visitor-contributions.php

  3. Transponder
    The electronics of a satellite that receives an uplinked signal from the earth, amplifies it, converts it to a different frequency and returns it to the earth.
    Found op http://www.zoo.co.uk/~z0001325/Glossary.html

  4. transponder
    [n] - electrical device designed to receive a specific signal and automatically transmit a specific reply
    Found op http://www.webdictionary.co.uk/definition.php?query=transponder

  5. transponder
    A transmitter on the satellite. Consider it like a reverse of your dish - a dish on the satellite sending a signal to you. There are 120 transponders on the old Astra satellites, 85 on the newer ones (the Sky ones). There isn't one satellite with 120 transponders on it. At 19.2°E (the old ones), yo...
    Found op http://www.heyrick.co.uk/ricksworld/digibox/glossary.html

  6. Transponder
    Satellite receiver/transmitter unit receives uplink signals, which it amplifies and retransmits as a downlink signal back to earth.
    Found op http://www.agbnielsen.net/glossary/glossaryQ.asp?type=alpha&jump=none

  7. Transponder
    A specialised element of a satellite used to transmit and receive signals.
    Found op http://www2.plymouth.ac.uk/distancelearning/course/glossary.doc

  8. transponder
    noun electrical device designed to receive a specific signal and automatically transmit a specific reply
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=transponder

  9. transponder
    (from the article `satellite communication`) ...4 gigahertz, and the Ku band, with uplink/downlink frequencies centred on 14/11 gigahertz. In order to relay signals in these frequencies, a ... A telecommunications satellite is a sophisticated space-based cluster of radio repeaters, called transponde...
    Found op http://www.britannica.com/eb/a-z/t/73



  1. Transponder
    Transponder 1. A radio transmitter-receiver that is activated when it receives a predetermined signal. RFID transponders come in many forms, including smart labels, simple tags, smart cards and keychain fobs. RFID tags are sometimes referred to as transponders. 2. A technical name for a tag.
    Found op http://www.wordinfo.info/words/index/info/view_unit/3991/10

  2. Transponder
    In telecommunication, a transponder is one of two types of devices. In air navigation or radio frequency identification, a transponder is a device that emits an identifying signal in response to an interrogating received signal. In a communications satellite, a transponder gathers signals over a ra...
    Found op http://en.wikipedia.org/wiki/Transponder

  3. transponder
    equipment, part of a space station, which translates signals received within a defined frequency band to another frequency band and retransmits them after amplification and any specified signal processing
    Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=725-14-02

  4. transponder
    a beacon which is inert and is interrogated by a train running over it to transmit data to the automatic train protection system
    Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=821-08-16

  5. transponder
    A radio or radar system that is triggered by a received signal. Transponders are important components of communications satellites and consist of a receiver, a frequency converter, and transmitter package. They have a typical output of 5-10 watts, operate over a 36-72 MHz bandwidth in the L-, C-, Ku...
    Found op http://www.daviddarling.info/encyclopedia/T/transponder.html

  6. Transponder
    A transponder is a device that will emit a radio signal when it receives a radio signal on a certain frequency.
    Found op http://www.probertencyclopaedia.com/browse/GT.HTM

  7. Transponder
    An acoustic device that scientists place above the seafloor, usually in groups of two or more, to help them navigate deep submergence vehicles. To locate a transponder, a ping is broadcast from a ship to the seafloor. If the transponder hears the ping, it sends a reply ping, letting researchers know...
    Found op http://www.divediscover.whoi.edu/glossary.html

  8. TRANSPONDER
    An airborne transmitter that responds to ground-based interrogation signals to provide air traffic controllers with more accurate and reliable position information than would be possible with "passive" radar; may also provide air traffic control with an aircraft's altitude.
    Found op http://www.aerofiles.com/glossary.html

  9. Transponder
    [satellite communications] A communications satellite`s transponder, is the series of interconnected units which form a communications channel between the receiving and the transmitting antennas. A transponder is typically composed of: Most communication satellites are radio relay stations i...
    Found op http://en.wikipedia.org/wiki/Transponder_(satellite_communications)

  10. transponder
    1) Electrical device
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/transponder/1

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