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Improving the quality of time-frequency portraits of radio signals in the conduct of radiomonitoring

Keywords:

V.V. Plashenkov – Dr. Sc. (Mil.), Professor, Cherepovets Higher Military Engineering School of Radio Electronics
V.V. Utkin – Ph. D. (Eng.), Cherepovets Higher Military Engineering School of Radio Electronics
D.S. Voinov – Post-graduate Student, Cherepovets Higher Military Engineering School of Radio Electronics
E-mail: voinovdm@mail.ru
V.A. Korotkov – Ph. D. (Eng.), Associate Professor, Cherepovets Higher Military Engineering School of Radio Electronics


When conducting radio monitoring in a complex signal-jamming environment, as well as in the context of widespread use of energy-secret signals, it becomes necessary to improve the quality of time-frequency portraits of recognized signals. One of the possible ap-proaches to improving the quality of the time-frequency portrait of a radio signal is the use of wavelet filtration. The article provides an assessment of the capabilities of basic types of wavelets for improving the quality of time-frequency portraits of recognized signals by filtering the noise component.

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