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 transponder [træn'spɔndə(r)]   添加此单词到默认生词本
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    transponder
    [ noun ]
    electrical device designed to receive a specific signal and automatically transmit a specific reply
    <noun.artifact>


    1. U.S. officials said the Iranian airliner appeared to be using a military transponder, a device that helps radars identify planes, as well as a civilian version.
    2. Velayati said the plane is identified, its altitude and course given, its destination known and its transponder was on and transmitting its identity on an internationally recognized civilian channel.
    3. It is known that Pan Am Flight 103 in rapid order lost its radar transponder, radio contact and both flight and cockpit voice recorders, this investigator said.
    4. When a transponder is excited by a low-frequency radio signal broadcast from a trackside transmitter, it responds by sending out identifying information.
    5. It enables eight video channels to be transmitted via a single satellite transponder, which normally carries just one signal.
    6. A transponder is a device used to signal an airplane's identity to a traffic control radar.
    7. The U.S. guided missile cruiser Vincennes shot down the plane July 3. American military officials said the plane was approaching in an "attack pattern" and transmitting military-style transponder signals.
    8. Cars protected by Car-Protect have a small transponder integrated into the car key and a reader mounted out of sight near the steering column.
    9. Smugglers often try to evade detection by flying in an unusual air corridor at slow speed and low altitude with no lights, small tail numbers or with their numbers painted over. There is no transponder signal.
    10. Although many private airplanes do not have a Mode-C transponder, the FAA requires such equipment in most airspace used by commercial jetliners.
    11. The animal can be reunited with its owner by reading the transponder with a hand-held reader.
    12. Radio frequency energy emitted from a reading unit powers a transponder in the small device, which then returns its factory-programmed identification code to the user.
    13. The jetliner was carrying a military transponder that was unknowingly turned on.
    14. "They may have put their own transponder in there to work with their own air defense system," Reed said.
    15. A device known as a transponder aboard the Airbus was sending one set of identification signals common to civilian and military aircraft, as well as a signal unique to warplanes, Howard said.
    16. American military officials said the plane was approaching in an "attack pattern" and transmitting military-style transponder signals.
    17. As the Iranian jetliner flew toward the Vincennes, the plane's transponder was sending out signals through two channels, Howard said.
    transponder
    transponder antenna
    transponder beacon
    transponder buoy
    transponder control unit
    transponder dead time
    transponder efficiency
    transponder jamming
    transponder reply eff...
    transponder set
    transponder suppresse...
    transponder-releaser
    transponible
    transpontine
    transpor accident
    transport
    transport address
    transport aeroplane
    transport agent
    transport air cushion...
    transport aircraft
    transport airplane
    transport allowance
    transport and communi...
    transport and communi...
    transport and loading...
    transport and Road Re...
    transport and storage...
    transport and storage...
    transport and supply ...
    transport apron
    transport area
    transport attendant
    transport automobile
    transport aviation
    transport axle distri...
    transport band
    transport barge
    transport basket
    transport bill
    transport bomber
    transport box
    transport by container
    transport by inland r...
    transport by road
    transport by sea
    transport cafe
    transport capacity
    transport capacity of...
    transport cart
    transport case
    transport cask
    transport caterpillar...
    transport certificate
    transport chain
    transport charges
    transport coefficient
    transport coefficients
    transport combine
    transport command
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