TY JOUR TI RESEARCH OF RADIO FREQUENCY SPECTROGRAMS USING METHODS OF LINGUISTIC ANALYSIS KW data analysis KW experimental curves KW linguistic description KW standard KW chain of characters JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Tretiakov, I.. AU Danilov, V.. PY 2020 IS PB Astrakhan State Technical University