In telecommunications, effective input noise temperature is the source noise temperature in a two-port network or amplifier that will result in the same output noise power, when connected to a noise-free network or amplifier, as that of the actual network or amplifier connected to a noise-free source. If F is the noise figure numeric and 290 K the standard noise temperature, then the effective noise temperature is given by T n = 290(F-1).
Famous quotes containing the words effective, input, noise and/or temperature:
“An effective human being is a whole that is greater than the sum of its parts.”
—Ida P. Rolf (1896–1979)
“Celebrity is a mask that eats into the face. As soon as one is aware of being “somebody,” to be watched and listened to with extra interest, input ceases, and the performer goes blind and deaf in his overanimation. One can either see or be seen.”
—John Updike (b. 1932)
“Speak, ye that ride on white asses, ye that sit in judgment, and walk by the way.
They that are delivered from the noise of archers in the places of
drawing water, there shall they rehearse the righteous acts of the
Lord,”
—Bible: Hebrew Judges (l. V, 10–11)
“The siren south is well enough, but New York, at the beginning of March, is a hoyden we would not care to miss—a drafty wench, her temperature up and down, full of bold promises and dust in the eye.”
—E.B. (Elwyn Brooks)