Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Vladimir I. Koshelev"'
Publikováno v:
2022 IEEE 8th All-Russian Microwave Conference (RMC).
Publikováno v:
PROCEEDINGS OF THE II INTERNATIONAL CONFERENCE ON ADVANCES IN MATERIALS, SYSTEMS AND TECHNOLOGIES: (CAMSTech-II 2021).
Publikováno v:
Russian Physics Journal. 63:221-230
The resonance properties of coupled electromagnetic waves at frequencies of 9 and 35 GHz in the sectioned oversized slow-wave structure of a multiwave Cherenkov generator with radial polarization were investigated theoretically. It has been found how
Publikováno v:
Russian Physics Journal. 63:204-213
The possibility of producing a scanned linearly polarized wave beam by using a multiwave Cherenkov generator was studied theoretically and experimentally. As shown theoretically, two periodically alternating transverse modes with the same carrier fre
Publikováno v:
Izvestiya vysshikh uchebnykh zavedenii. Fizika. 63:22-29
Publikováno v:
Russian Physics Journal. 62:1207-1213
The resonances of the slow-wave structure of a multiwave Cherenkov generator have been determined theoretically for a frequency range close to the π-type frequency of the lower symmetric mode. The ratio of the diameter of the slow-wave structure to
Publikováno v:
Russian Physics Journal. 62:1214-1219
The results of a numerical simulation of an ultrawideband hybrid antenna are presented. The antenna consists of an offset reflector and a 2×2 array of orthogonally arranged combined antennas optimized for excitation by bipolar voltage pulses of dura
Publikováno v:
Journal of Communications Technology and Electronics. 64:680-688
A transceiver system consisting of scanning receiving and transmitting antenna arrays is developed to study the detection of objects and measure the polarization structure of ultrawideband (UWB) electromagnetic pulses. The possibility of determining
Publikováno v:
Instruments and experimental techniques. 2019. Vol. 62, № 1. P. 33-41
—A high-power source of ultrawideband radiation based on the synthesis of electromagnetic pulses with different frequency bands has been created. A four-channel former of highly stable bipolar pulses with durations of 0.5 and 1 ns was developed. Ea
Publikováno v:
Journal of Communications Technology and Electronics. 63:868-879
Ultrawideband elliptically polarized radiation is numerically and experimentally studied. The analysis is performed for the axial radiation of a cylindrical helical antenna that is excited by a bipolar voltage pulse with a duration of 2 ns. The resul