IMPROVING THE ACCURACY OF THE JACOBSEN ALGORITHM TO CORRECTLY ESTIMATE THE FREQUENCY OF SHORT SIGNALS. - Burtea, Daniela Giorgiana; Minda, ndrea Amalia; Gillich, Nicoleta; Tufisi, Cristian; Gillich, Gilbert-Rainer (Annals of 'Constantin Brancusi' University of Targu-Jiu. Engineering Series / Analele Universităţii Constantin Brâncuşi din Târgu-Jiu. Seria Inginerie, 2022)