Carrier-to-receiver noise density
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Carrier-to-receiver noise density ( C /k T ): In satellite communications, the ratio of the received carrier power to the receiver noise power density.
Note 1: The carrier-to-receiver noise density ratio is usually expressed in dB.
Note 2: The carrier-to-receiver noise density is given by C /kT, where C is the received carrier power in watts, k is Boltzmann's constant in joules per kelvin, and T is the receiver system noise temperature in kelvins.
Note 3: The receiver noise power density, kT, is the receiver noise power per hertz.
See also
Source: from Federal Standard 1037C and from MIL-STD-188.