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Line 15: − − {{optical-communications-stub}}
removed stub designation
The ratio of signal power that arrives at a receiver to noise power picked up by a receiver is known as the '''signal-to-noise ratio''', which is a unitless quantity that describes how much more powerful a signal is than the noise that could obscure it. Generally, a signal must have an '''SNR''' greater than or equal to 1 (meaning that the signal is no less powerful than the noise) in order to be detectable. Higher SNRs allow for faster information transfer and greater reliability of communications.
The ratio of signal power that arrives at a receiver to noise power picked up by a receiver is known as the '''signal-to-noise ratio''', which is a unitless quantity that describes how much more powerful a signal is than the noise that could obscure it. Generally, a signal must have an '''SNR''' greater than or equal to 1 (meaning that the signal is no less powerful than the noise) in order to be detectable. Higher SNRs allow for faster information transfer and greater reliability of communications.
[[Category: Optical Communications]]
[[Category: Optical Communications]]