feedhorn

feedhorn
A horn antenna used to convey electromagnetic waves between the transceiver and the reflector.

Wikipedia foundation.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • feedhorn — feed·horn (fēdʹhôrn ) n. A satellite dish component that captures the signal reflected from the dish surface and channels it into an amplifier. * * * …   Universalium

  • feedhorn — n. accessory located at the focal point of a satellite dish or paraboloidal antenna which receives radio signals and conveys them to the antenna …   English contemporary dictionary

  • Feed horn — In satellite dish and antenna design parlance, a feedhorn (or feed horn) is a horn antenna used to convey radio waves between the transceiver (transmitter and/or receiver) and the reflector. The feedhorn also selects the polarity of the waves to… …   Wikipedia

  • Satellite dish — A C band satellite dish …   Wikipedia

  • Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… …   Wikipedia

  • Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… …   Wikipedia

  • Satellite television — List of digital television broadcast standards DVB standards (Europe) DVB S (satellite) DVB S2 DVB T (terrestrial) DVB T2 DVB C …   Wikipedia

  • Duo LNB — A twin output Duo LNB fitted to a 60 cm dish (only one output is connected) A Duo LNB is a double low noise block downconverter (LNB) developed by SES Astra for the simultaneous reception of satellite television signals from both the Astra… …   Wikipedia

  • Low-noise block converter — A low noise block converter (LNB, for low noise block, or sometimes LNC, for low noise converter) is the (receiving, or downlink) antenna of what is commonly called the parabolic (actually paraboloid) satellite dish commonly used for satellite TV …   Wikipedia

  • Rauscharmer Signalumsetzer — Montierter LNB Als rauscharmer Signalumsetzer (vom englischen Low Noise Block, kurz LNB; und Low Noise Converter, kurz LNC) wird die erste, im Brennpunkt einer Parabolantenne befindliche elektronische Baugruppe einer Satellitenempfangsanlage… …   Deutsch Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”