Yang, Yaqoob, Cui, and McDowell present novel generalized model for analysis of noise with known spectral density

Emily J. McDowell, Xiquan Cui, Zahid Yaqoob, and Changhuei Yang (2007) A generalized noise variance analysis model and its application to the characterization of 1/f noise. Optics Express, 15 (7): 3833-3848, 2007. CaltechAUTHORS