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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
Half transponder
Aerospace; Satellites
A method of transmitting two TV signals through a single transponder through the reduction of each TV signal's deviation and power level. Half-transponder TV carriers each operate typically 4 dB to 7 ...
Headend
Aerospace; Satellites
Electronic control centre - generally located at the antenna site of a CATV system - usually including antennas, preamplifiers, frequency converters, demodulators and other related equipment which ...
Klystron
Aerospace; Satellites
A microwave tube which uses the interaction between an electron beam and the RF energy on microwave cavities to provide signal amplification. The klystron operates on principles of velocity ...
Kelvin (K)
Aerospace; Satellites
The temperature measurement scale used in the scientific community. Zero K represents absolute zero, and corresponds to minus 459 degrees Fahrenheit or minus 273 Celsius. Thermal noise ...
Isotropic antenna
Aerospace; Satellites
A hypothetical omnidirectional point-source antenna that serves as an engineering reference for the measurement of antenna gain.
Modulation
Aerospace; Satellites
The process of manipulating the frequency or amplitude of a carrier in relation to an incoming video, voice or data signal.