... yields the PDF and, therefore, the pdf of noise. No closed-formsolution exists in general for the two; however, power series expansion of the pdf is available — detailsmay be found in [18] and references ... Tugnait, J.K. “Validation, Testing, and Noise Modeling”Digital Signal Processing HandbookEd. Vijay K. Madisetti and Douglas B. WilliamsBoca Raton: CRC Press LLC, 1999c1999byCRCPressLLCthe ... 1351-1374, 1965.[2] Brillinger, D.R.,Time Series, Data Analysis and Theory,Holt, Rinehart and Winston, NewYork, 1975.[3] Subba Rao, T. and Gabr, M.M., A test for linearity of stationary time...