Noise:

• ambient noise level
• antenna noise temperature
• atmospheric noise
• background noise
• blue noise
• carrier noise level
• carrier-to-noise ratio (CNR)
• carrier-to-receiver noise density (C/kT)
• channel noise level
• circuit noise level
• closed-loop noise bandwidth
• C-message weighting
• cosmic noise
• effective input noise temperature
• equipment intermodulation noise
• equivalent noise resistance
• equivalent noise temperature
• equivalent pulse code modulation (PCM) noise
• equivalent satellite link noise temperature
• feeder echo noise
• flat weighting
• FM improvement factor
• FM improvement threshold
• front-end noise temperature
• HA1-receiver weighting
• idle-channel noise
• impulse noise
• in-band noise power ratio
• intermodulation noise
• intrinsic noise
• loop noise
• modal noise
• mode partition noise
• noise
• notched noise
• 144-line weighting
• 144-receiver weighting
• phase noise
• photon noise
• process gain
• proration
• pseudorandom noise
• psophometric weighting
• quantizing noise
• quantum noise
• quantum-noise-limited operation
• random noise
• received noise power
• reference noise
• shot noise
• signal-plus-noise-to-noise ratio ((S+N)/N )
• signal-to-noise ratio (SNR)
• signal-to-noise ratio per bit
• SINAD
• snow
• stereophonic crosstalk
• thermal noise
• total channel noise
• white noise
• worst hour of the year