VESTNIK of Samara University. Aerospace and Mechanical EngineeringVESTNIK of Samara University. Aerospace and Mechanical Engineering2542-04532541-7533Samara National Research University17810.18287/2541-7533-2004-0-1 (5)-117-123UnknownComputer-aided system for approximation correlation-spectral analysis11sadohina@ssau.ru11sadohina@ssau.ru11sadohina@ssau.ruSamara State Aerospace UniversitySamara State Center of Standardization, Measurement and Certification180320043111712314052014Copyright © 2015, VESTNIK of the Samara State Aerospace University2015<p>The system is intended for modelling random processes with a preset type of correlation function, correlation function identification using the phase portrait method, approximation of correlation functions and spectral densities using parametric models and Lagerr orthogonal functions, estimation of generalized correlative-and spectral characteristics using model parameters.</p>