Vol 30, No 4 (2025)

Table of Contents

Radio Astronomy and Astrophysics

IMPACT OF THE NOVEMBER 3, 2013 SOLAR ECLIPSE ON THE STATE OF THE IONOSPHERE AS INVESTIGATED IN A RADIO ASTRONOMICAL TECHNIQUE
A. L. Sukharev, M. I. Ryabov, V. V. Galanin, D. A. Zabora
217

Wave propagation and remote sensing

LARGE-SCALE DISTURBANCES IN THE TERRESTRIAL IONOSPHERE, WHICH ACCOMPANIED THE LAUNCHES AND FLIGHTS OF POWERFUL ROCKETS
L. F. Chernogor
232
OFF-AXIS TARGET ILLUMINATION IN RADAR OVER-SEA TRACKING USING AN ACTIVE PHASED ARRAY ANTENNA
Yu. F. Logvinov, Yu. O. Pedenko, O. V. Bukin
250

Radio systems and signal processing

A NEW METHOD FOR SIDELOBE SUPPRESSION IN THE AMBIGUITY FUNCTION OF SIGNALS MODULATED BY PSEUDO-RANDOM SEQUENCES
K. O. Lukin, V. M. Konovalov, L. V. Yurchenko
258
PASSIVE RADAR LOCATION OF A SURFACE TARGET CARRYING A ROTATING RADIATION ANTENNA
I. M. Mytsenko, O. M. Roenko
268

Radio frequency engineering

A FIBER-OPTIC HYDROACOUSTIC PRESSURE SENSOR BASED ON INTERMODE INTERFERENCE
I. V. Linchevskyi, M. V. Chursanova
276

Electronics and photonics

AXIALLY SYMMETRIC MODES IN AN OPEN RESONATOR
I. K. Kuzmychov, O. S. Lukash, O. B. Senkevych, O. A. Voitovych, T. M. Narytnyk, G. I. Churyumov
285