UMOV–POYNTING VECTOR IN VISUALIZATION OF PLASMONS [PDF]
Радиофизика и электроника, 2016 Cylindrical sensors of noble metals exploiting the plasmon surface resonance are widely used in the bio-medical research and environmental studies and studying their characteristics in different wavelength bands is an actual task.
E. A. Velichko, A. P. Nickolaenko
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DISTURBANCES OF LOWER IONOSPHERE ABOVE CENTER OF EARTHQUAKE AND ANOMALY IN THE GLOBAL ELECTROMAGNETIC RESONANCE SIGNAL PART 1. MODELS OF IONOSPHERE [PDF]
Радиофизика и электроника, 2015 We model an effect on the Schumann resonance signal recorded in Japan of the ionosphere non-uniformity centered above the earthquake at Taiwan. Changes in the resonance spectrum occur due to interference of the direct radio wave with one reflected from ...
A. P. Nickolaenko, M. Hayakawa
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PULSE LOGARITHMIC AMPLIFIER WITH AUTOMATIC ADJUSTMENT OF AMPLIFICATION IN THE FREQUENCY RANGE FROM 1 MHZ TO 8 GHZ [PDF]
Радиофизика и электроника, 2018 At present, the overload problem of pulsed radar receivers of signals reflected from targets is particularly relevant, which is caused by the appearance of new types of radio engineering systems for various purposes.
I. M. Mytsenko, D. D. Khalameyda
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Features of the quasi-optimal discrete signal processing [PDF]
Радиофизика и электроника, 2019 Subject and Purpose. The subject of the research is a digital signal processing system of a radar, consisting of an input filter, an analog-to-digital converter and a processor that implements an algorithm for detecting of information signal in ...
O.V. Sytnik
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Suppression of postpulse oscillations in active bow-tie antennas [PDF]
Радиофизика и электроника, 2021 Subject and Purpose. This theoretical and experimental research is devoted to peculiarities of the ultra-wide bandwidth (UWB) pulse radiation from active bow-tie dipoles.
O.A. Orlenko +4 more
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Crystal structure, piezoelectric and magnetic properties of BiMn1-xFexO3 (x ≤ 0.4) solid solutions [PDF]
Modern Electronic Materials, 2023 The crystal structure, piezoelectric and magnetic properties of BiMn1-xFexO3 (x ≤ 0.4) solid solutions synthesized using different solid state reactions from a stoichiometric mixture of simple oxides at high pressures and temperatures have been studied ...
Maxim V. Silibin +5 more
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DEFECT MODES IN THE SPECTRUM OF THE WIRE MEDIUM IN THE MICROWAVE RANGE [PDF]
Радиофизика и электроника, 2017 At present, the study of such a phenomenon as "defect mode" is topical. Defect modes arise from the violation of periodicity in photonic crystals.
L. I. Ivzhenko +2 more
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HIGH FREQUENCY OHMIC LOSSES IN TERAHERTZ FREQUENCY RANGE CW CLINOTRONS [PDF]
Радиофизика и электроника, 2017 Reliable simulations of electron-vacuum devices’ opera-tion parameters are an actual challenge during the R&D process. One of the most important problems is determining high frequency ohmic losses and taking them into account in the simulation.
Yu. S. Kovshov +7 more
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TWO REASONS WHICH COMPLICATE THE DEVELOPMENT OF SUBMILLIMETER ELECTROMAGNETIC WAVE CLINOTRONS [PDF]
Радиофизика и электроника, 2015 Nowadays there are a lot of research, aimed at creation of sources of electromagnetic oscillations in the submillimeter range. Along with the search for new methods of generation, the attention is paid to the possibilities involved into known generators ...
A.Ya. Kirichenko
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ACOUSTIC BIREFRINGENCE AT ELECTROMAGNETIC EXCITATION OF SOUND IN IRON BORATE CRYSTALS [PDF]
Радиофизика и электроника, 2016 High temperature antiferromagnets such as iron borate, hematite etc., have high magnetoelastic coupling. As a result, in the conditions of birefringence effect, there is a possibility to control parameters of sound waves by a small external magnetic ...
V. I. Khizhnyi +2 more
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