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общая лексика
S/N
соотношение сигнал/шум
количество полезной информации в группе новостей. Часто используется для отрицательных оценок. Например, "отношение сигнал/шум в этой телеконференции довольно низкое"
Смотрите также
общая лексика
отношение сигнал - шум
сейсмология
отношение "сигнал-шум"
Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. SNR is defined as the ratio of signal power to the noise power, often expressed in decibels. A ratio higher than 1:1 (greater than 0 dB) indicates more signal than noise.
SNR, bandwidth, and channel capacity of a communication channel are connected by the Shannon–Hartley theorem.