Noise distributions Normal arises when many independent random variables are summed · Uniform Arises when other distributions are truncated · Lognormal ognormal distribution Arises when normall distributed variables are p(x) multiplied or transformed Robust System Design mit 人 16881 Session #11p x Noise Distributions • Normal – Arises when many independent random variables are summed • Uniform – Arises when other distributions are truncated • Lognormal Lognormal Distribution – Arises when normally distributed variables are () multiplied or transformed x Robust System Design 16.881 Session #11 MIT