No. 3, 2023

Propagation of electromagnetic waves

1. Wave equations for electromagnetic field based on quaternion algebra I.V. Demichev pp. 5-10
2. Evaluation of the influence of third-party objects on the radiation pattern of a quarter-wave asymmetric vibrator Yu.N. Gaichyk, N.V. Tamp, V.A. Romakhin, A.A. Omelshin pp. 11-17

Digital signal and image processing

1. Investigation of the possibility of using the YOLOv5 convolutional neural network in radio monitoring complexes for detecting OFDM signals I.Yu. Eremeev, K.A. Neretina, V.V. Pechurin pp. 18-27
2. Procedure for generating and decoding codewords of a joint low-density source and channel code E.I. Balunin, A.P. Ratushin, D.S. Khrapkov, M.V. Vlasov pp. 28-37
3. Analysis of the emotional content of text messages with a mixed code K.V. Sazonov, A.A. Makunin pp. 38-45

Passive and active radiovision

1. A method for estimating the linear velocity of a mobile object by a passive radar technical means outside the direct radio visibility zone I.V. Chebotar, M.T. Baldychev, A.A. Omelshin, V.A. Romakhin pp. 46-54

Problems of space research

1. Model of observed additive component signals with combination of carrier frequencies under conditions of dynamic change of the mutual spatial position of elements of a satellite communication system A.N. Abakumov, R.R. Saniev, S.S. Semenyuk, E.Yu. Shilovskiy pp. 55-69
2. Modelling of the air space monitoring system S.V. Kulikov, N.M. Epaneshnikov, R.A. Gudaev, I.V. Chebotar, M.T. Baldytchev pp. 70-82