@article{Стрілецький_Ровінський_Євчук_2018, title={THE DEVICE TO INVESTIGATE THE STRUCTURAL CHEMGES IN THE METAL CONSTRUCTIONS USING THE RELATIVE REDUCED FREQUENCY OF STRING SENSOR HURMONICS}, url={https://mpky.nung.edu.ua/index.php/mpky/article/view/434}, abstractNote={<p><em>A method of generation and digital processing of wideband diagnostic signals using relative normalized harmonic frequency for detection of changes in the metal structure is proposed. This approach provides invariance to temperature fluctuations by using the signal frequency ratio. As a result, measuring channel stability of diagnostic system can be increased.</em></p>}, number={1(40)}, journal={METHODS AND DEVICES OF QUALITY CONTROL}, author={Стрілецький, Ю. Й. and Ровінський, В. А. and Євчук, О. В.}, year={2018}, month={May}, pages={29–36} }