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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

cross modulation

Aerospace; Satellites

Interference caused by the modulation of one carrier affecting another signal. It is usually due to nonlinear device operation, which can be caused by overloading an amplifier, and is worsened by ...

companding

Aerospace; Satellites

A noise-reduction technique that applies single compression at the transmitter and complementary expansion at the receiver.

common carrier

Aerospace; Satellites

Any organization which operates communications circuits used by other people. Common carriers include the telephone companies as well as the owners of the communications satellites, RCA, Comsat, ...

color subcarrler

Aerospace; Satellites

A subcarrier that is added to the main video signal to convey the color information. In NTSC systems, the color subcarrier is centered on a frequency of 3.579545 MHz, referenced to the main video ...

codec

Aerospace; Satellites

Coder/decoder system for digital transmission.

co-location

Aerospace; Satellites

Ability of multiple satellites to share the same approximate geostationary orbital assignment frequently due to the fact that different frequency bands are used.

code division multiple access (CDMA)

Aerospace; Satellites

Refers to a multiple-access scheme where stations use spread-spectrum modulations and orthogonal codes to avoid interfering with one another.

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