A radio astronomer is attempting to measure radio frequency (RF) emmisions from a certain star. However, these
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T, thermal noise, σT = 5μV,
I, Interferance, σI = 2μV,
G, galactic noise, σG = 1μV.
Let represent the combined effect of all three noise sources, that is N = T + I + G. Suppose the desired emissions from the star are received at a level of 10 µV. What is the probability that the combined noise is larger than the desired emissions?
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Probability and Random Processes With Applications to Signal Processing and Communications
ISBN: 978-0123869814
2nd edition
Authors: Scott Miller, Donald Childers
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