Vasylyshyn, Volodymyr, Victor Lyutov, and Dmytro Komin. 2019. “Improving the Performance of Spectral Analysis With Preliminary Signal Processing by SSA Method in the Conditions of Threshold Signal-to-Noise Ratio”. Advanced Information Systems 3 (2):69-72. https://doi.org/10.20998/2522-9052.2019.2.12.