Properties of random vibration in the time domain

The mean value of a random vibration ℓ(t) calculated over duration T, [5.1]m =1T ∫0Tℓ(t) dthttps://s3-euw1-ap-pe-df-pch-content-public-u.s3.eu-west-1.amazonaws.com/9780367812096/f2fb0756-bff5-4de5-ae2c-be0eacfb3062/content/eq749.tif"/>