No. 9, 2025

RADIOSYSTEMS: STATISTICAL SYNTHESIS OF RADIOSYSTEMS

1. Performance analysis of angular direction estimation algorithms in navigation apparatus with an antenna array A.I. Perov pp. 5-20
2. Adaptive frequency lock loop system for global navigation satellite systems signals A. A. Cherkasova, A.Yu. Shatilov pp. 21-32
3. Comparative analysis of acquisition algorithms of BOC modulated radiosignals in Global Navigation System A.I. Perov pp. 33-44

PROBLEMS AND PRINCIPLES OF BUILDING RADIO ENGINEERING SYSTEMS

1. Comparative analysis of learning architectures for digital predistortion in wideband power amplifier linearization task L.I. Averina, N. E. Guterman pp. 45-53
2. Software-defined rejection of interfering signals in a Sub‐Nyquist multichannel receiver A.S. Podstrigaev, D.A. Kalinin pp. 54-62

FUNCTIONAL ALGORITHMS: SIGNAL TRANSMISSION, RECEPTION AND PROCESSING

1. Method of direction finding a broadband radio signal V.O. Afanasiev, M.P. Slichenko pp. 63-69
2. Detection of radio emission sources by the results of multichannel spatial-correlation processing of radio signals in dynamically changing electromagnetic environment M.L. Artemov, D.Yu. Gordienko, M.P. Slichenko, S.P. Trushin pp. 70-77
3. Method for detecting and determining time-frequency parameters of radio-frequency source signals based on window matrix operators M.L. Artemov, M.P. Slichenko, S.P. Trushin pp. 78-88
4. Distinguishing and direction finding of radio emission sources with mutual overlap of radio signals in the frequency-time domain M.L. Artemov, O.V. Afanasiev, M.P. Slichenko, S.P. Trushin pp. 89-97
5. Azimuth-elevation direction finding a source of a radio emission on the basis of identification of amplitude-phase portraits of radio signals O.V. Afanasev, M.P. Slichenko, E.Yu. Yashchenko pp. 98-102
6. Signal detection based on sub-Nyquist sampling technology without directional and frequency search A.S. Podstrigaev, I.A. Astafyev pp. 103-112

RESEARCH METHODS AND CONTROL ALGORITHMS IN RADIO ELECTRONIC SYSTEMS

1. Method of ionospheric channel sounding for digital communication systems with spatial diversity at transmission and reception sides V.Yu. Doroshenko, Yu.N. Pribytkov pp. 113-123
2. Method for assessing the information efficiency of a ground-space radio monitoring system Yu.N. Pribytkov, D.A. Korovin pp. 124-132
3. Neural network based approach for adaptive analog beamforming on receiver side in microwave multichannel systems L.I. Averina, N. E. Guterman, D.Yu. Charkin pp. 133-144
4. Estimation of distortion of effective sectors of cross-eye jam-ming to radar taking into account the placement of the jammer on an aircraft carrier A.S. Podstrigaev, D.V. Bondarev, N.A. Nikolaytsev, D.A. Gordeev, A.E. Zaripov pp. 145-154

ANTENNAS, RADIO-WAVE PROPAGATION AND MICROWAVE ENGINEERING

1. Evaluation of the influence of antenna directionality on the survivability of telecommunication networks D.Yu. Charkin pp. 155-162
2. Elevation direction finding of sources radio-frequency radiation on the integral operator for transforming the radiation pattern characteristics of antenna array O.V. Afanasyev, M.I. Kozlov, M.P. Slichenko pp. 163-169

OPTOELECTRONICS, ACOUSTO-ELECTRONICS AND PHOTONICS

1. Interpretation of physical conditions of emergence of effect of Brewster within geometrical optics V.P. Krylov pp. 170-174

RADIO ENGINEERING EQUIPMENT AND ITS APPLICATION

1. A wide frequency range continuously tunable inductor based on phase modulation Guangbao Shan, Yanwen Zheng, Huihua Cao, V.I. Goncharenko pp. 175-180
2. Improving the optimal current grid approximation for sparse scattering structures T.P. Dang, T.R. Gazizov pp. 181-192