17 Terms
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Satellites
Of or relating to any man-made object launched to orbit Earth or another celestial body.
Industry: Aerospace
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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.
