Vol 28, No 4 (2023)

DOI: https://doi.org/10.15407/rpra28.04

Table of Contents

Radio Astronomy and Astrophysics

OBSERVATIONS OF DECAMETER CARBON RADIO RECOMBINATION LINES IN SEVERAL GALACTIC DIRECTIONS Part 2. ANALYSIS OF PHYSICAL CONDITIONS IN DIFFUSE CII REGIONS
Y. V. Vasylkivskyi, O. O. Konovalenko, S. V. Stepkin
PDF
275

Scattering and Diffraction of Waves

POLARIZATION AND FREQUENCY SELECTIVE CHARACTERISTICS OF A CHIRAL METASURFACE COMPOSED OF PERIODICALLY ARRANGED SQUARE DIELECTRIC HELICES
V. V. Yachin, T. L. Zinenko, L. A. Kochetova, P. L. Mladyonov, S. V. Mizrakhy
PDF
287

Radio systems and signal processing

ECOLOGICALLY SAFE OVER THE HORIZON METER WAVELENGTH RADAR FOR TERRITORIAL WATERS GUARD
I. M. Mytsenko, A. N. Roenko
PDF
295
AN IMPROVED PHOTOCLINOMETRY TECHNIQUE FOR SURFACE RELIEF RETRIEVAL FROM IMAGES: ERROR LEVELS FOR HEIGHT AND SLOPE ESTIMATES
I. A. Dulova, N. V. Bondarenko
PDF
304

Radio frequency engineering

A SIMPLE METHOD FOR IMPROVING OUT-OF-BAND HIGH-FREQUENCY STABILITY OF RADIO FREQUENCY AMPLIFIERS
A. D. Khristenko
PDF
318

Electronics and photonics

LASER CAVITY WITH A GRADUALLY EXPANDING RADIATION BEAM IN THE ACTIVE MEDIUM
M. I. Dzyubenko, I. K. Kuzmichev, V. A. Maslov, V. P. Radionov
PDF
329