Satellites

Satellites

Of or relating to any man-made object launched to orbit Earth or another celestial body.

Contributors in Satellites

Satellites

The term used to describe the combination or antenna, low-noise amplifier (LNA), down-converter, and receiver electronics. used to receive a signal transmitted by a satellite. Earth Station antennas ...

Echo canceller

Aerospace; Satellites

An electronic circuit which attenuates or eliminates the echo effect on satellite telephony links. Echo cancellers are largely replacing obsolete echo suppressors.

Echo effect

Aerospace; Satellites

A time-delayed electronic reflection of a speaker's voice. This is largely eliminated by modern digital echo cancellers.

Demodulator

Aerospace; Satellites

A satellite receiver circuit which extracts or "demodulates" the "wanted "signals from the received carrier.

Deviation

Aerospace; Satellites

The modulation level of an FM signal determined by the amount of frequency shift from the frequency of the main carrier.

Digital

Aerospace; Satellites

Conversion of information into bits of data for transmission through wire, fibre optic cable, satellite, or over air techniques. Method allows simultaneous transmission of voice, data or video.

Clarke orbit

Aerospace; Satellites

That circular orbit in space 22,237 miles from the surface of the earth at which geosynchronous satellites are placed. This orbit was first postulated by the science fiction writer Arthur C. Clarke ...