5 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
Carrier to noise ratio (C/N)
Aerospace; Satellites
The ratio of the received carrier power and the noise power in a given bandwidth, expressed in dB. This figure is directly related to G/T and S/N; and in a video signal the higher the C/N, the better ...
Cassegrain antenna
Aerospace; Satellites
The antenna principle that utilises a subreflector at the focal point which reflects energy to or from a feed located at the apex of the main reflector.
Automatic frequency control (AFC)
Aerospace; Satellites
A circuit which automatically controls the frequency of a signal.
Automatic gain control (AGC)
Aerospace; Satellites
A circuit which automatically controls the gain of an amplifier so that the output signal level is virtually constant for varying input signal levels.
Az/el mount
Aerospace; Satellites
Antenna mount that requires two separate adjustments to move from one satellite to another.
Antenna
Aerospace; Satellites
A metal structure or wire that picks up or transmits electromagnetic energy through space.
Anik
Aerospace; Satellites
The Canadian domestic satellite system that transmits Canadian Broadcasting Corporation's (CSC) network feeds throughout the country. This system also carries long distance voice and data services ...
