Noise Pollution Level

Last modified by

on

Jul 24, 2020, 6:28:07 PM

Created by

on

Jul 11, 2016, 4:42:46 PM

N P L = L_{50} + L_{10} - L_{90} + \frac{{(L_{10} - L_{90})}^{2}}{60}

$NPL = L_(50) + L_(10) - L_(90) +( L_(10) - L_(90) )^2/60$

(L_{10}) Level exceeded 10% of the time

$(L_(10))"Level exceeded 10% of the time"$

(L_{50}) Level exceeded 50% of the time

$(L_(50))"Level exceeded 50% of the time"$

(L_{90}) Level exceeded 90% of the time

$(L_(90))"Level exceeded 90% of the time"$

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