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Satellites

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

Contributors in Satellites

Satellites

Amplitude modulation (AM)

Aerospace; Satellites

The baseband signal is caused to vary the amplitude or height of the carrier wave to create the desired information content.

Analogue

Aerospace; Satellites

A signal that can take on any of a continuous range of values between some minimum and some maximum.

Analog-to-digital conversion (ADC)

Aerospace; Satellites

Process of converting analogue signals to a digital representation. DAC represents the reverse translation.

Azimuth

Aerospace; Satellites

The pointing direction of an antenna measured in the local horizontal plane in a clockwise direction from north. It is the horizontal co-ordinate that is used to align a satellite antenna.

Backhaul

Aerospace; Satellites

A terrestrial communications channel linking an earth station to a local switching network or population center.

Backoff

Aerospace; Satellites

The process of reducing the input and output power levels of a travelling wave tube to obtain more linear operation.

Band pass philtre

Aerospace; Satellites

An active or passive circuit which allows signals within the desired frequency band to pass through but impedes signals outside this pass band from getting through.

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