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Muzalevskiy, K. V.
UWB reflectometric method for the measuring of vegetation biometric parameters and soil moisture / K. Muzalevskiy, S. Fomin, M. Mikhaylov // IEEE Ural-Siberian Conference on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT). - 2023. - P. 166-169, DOI 10.1109/USBEREIT58508.2023.10158880. - Cited References: 17. - The investigation supported by the Russian Science Foundation and the Krasnoyarsk Regional Science Foundation, project № 22-17-20042
Кл.слова (ненормированные):
Microwave remote sensing -- unmanned aerial vehicle -- ultra-wide band remote sensing -- reflection coefficient -- biomass -- vegetation water content -- soil moisture
Аннотация: In this article, a method for the simultaneous measurement of total biomass, vegetation water content, and soil moisture is developed based on ultra-wideband (UWB) nadir observation of the reflection coefficient in the frequency range from 450 MHz to 6 GHz. The proposed method is based on a simple model of plane wave reflection from a vegetation layer with flat boundaries lying on a smooth soil surface. The model does not take into account the phenomena of wave scattering on the vegetation elements and the soil surface roughness. The dielectric constant of the vegetation canopy and soil were calculated based on Ulaby and Mironov dielectric models, respectively. The proposed method was tested using data from PORTOS-93 (INRA) experiments on measuring: total biomass (up to 3.3 kg/m2), water content (43%-89%), height (up to 1m) and volumetric content (up to 0.6-0.8%) of wheat plants, moisture (from 5% to 36%), density and clay fraction content (27%) of the soil. As a result, it was shown, the coefficient of determination (R2) and root-mean-square error (RMSE) appeared to be equal to R2=0.999 and RMSE=2.2% when comparing the original and retrieved values of volumetric soil moisture. The retrieved values of total biomass (vegetation water content) with the coefficient of determination R2=0.999 (0.998) and RMSE=16g/m2 (0.7%) coincide with the original set values. Therewith, the bands from 4 GHz to 6 GHz and from 450 MHz to 1 GHz were used to retrieve the canopy biometric parameters and soil moisture, respectively.

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Держатели документа:
Laboratory of Radiophysics of the Earth Remote Sensing, Kirensky Institute of Physics Federal Research Center KSC Siberian Branch Russian Academy of Science, Krasnoyarsk, The Russian Federation

Доп.точки доступа:
Fomin, S. V.; Фомин, Сергей Викторович; Mikhaylov, M. I.; Михайлов, Михаил Иванович; Музалевский, Константин Викторович; IEEE Ural-Siberian Conference on Biomedical Engineering, Radioelectronics and Information Technology(15-17 May 2023 ; Yekaterinburg, Russia)
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Unit for measuring the magnetic characteristics of thin ferromagnetic films / S. Kleshnina, B. Belyaev, N. Boev [et al.] // Ural Symposium on Biomedical Engineering, Radioelectronics and Information Technology, USBEREIT 2020 : proceedings. - 2020. - Ст. 9117609. - P. 326-329, DOI 10.1109/USBEREIT48449.2020.9117609. - Cited References: 7. - This work was supported by the Ministry of Education and Science of 075 11 2019-054
Кл.слова (ненормированные):
thin magnetic films -- measuring unit -- magnetic characteristics -- ferromagnetic resonance
Аннотация: Studying the properties of ferromagnetic films helps in solving the fundamental problems of the physics of magnetic phenomena and in developing the theory of ferromagnetism. Modern software and hardware, along with reliable diagnostic methods are used to research and design thin-film devices. In this regard, the development of devices and methods for measuring the magnetic characteristics of thin ferromagnetic films is an essential task. The aim of the work is to develop an unit for local measurements of the magnetic characteristics of thin ferromagnetic films, which has the ability to change the degree of locality of measurements over a wide range and has high sensitivity at the same time. The article reviews a new unit for measuring the magnetic characteristics of thin ferromagnetic films. The unit allows measuring the value and direction of the anisotropy field on a local area of the film. A block diagram and description of a new unit, as well as methods of measurements are shown in the article. The experimentally obtained distribution of the anisotropy field over the area of the studied sample of Ni 80 Fe 20 film is shown in this work. The experimental results confirm the compliance of the new unit with the declared characteristics. The unit can be used for non-destructive quality control and for measuring uniformity of thin ferromagnetic films magnetic characteristics.

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Держатели документа:
Laboratory of Electrodynamics and Microwave Electronics, Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, Russia

Доп.точки доступа:
Kleshnina, S. A.; Клешнина, Софья Андреевна; Belyaev, B. A.; Беляев, Борис Афанасьевич; Boev, N. M.; Боев, Никита Михайлович; Izotov, A. V.; Изотов, Андрей Викторович; Burmitskikh, A. V.; Бурмитских, Антон Владимирович; Gorchakovsky, A.; Горчаковский, Александр Антонович; Ural Symposium on Biomedical Engineering, Radioelectronics and Information Technology(2020 ; 14-15 May ; Yekaterinburg, Russia); Institute of Electrical and Electronics Engineers
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Thermooptical information recording in the bistable films of polymer dispersed cholesteric liquid crystals / A. V. Barannik, V. Ya. Zyryanov, P. G. Shkuryaev, V. F. Shabanov // Информационная оптика. Научные основы и технологии : международный симпозиум OIST'97 : программа и аннот. докл. - Москва, 1997. - С. 42

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Доп.точки доступа:
Barannik, A. V.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shkuryaev, P. G.; Shabanov, V. F.; Шабанов, Василий Филиппович; "Информационная оптика. Научные основы и технологии", международный симпозиум(1997 ; 27-30 авг. ; Москва); "Optical information science and technology", International symposium(1997 ; 27-30 aug. ; Moscow)
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Thermooptical information recording in the bistable films of polymer dispersed cholecteric liquid crystals / A. V. Barannik, V. Ya. Zyryanov, P. G. Shkuryaev, V. F. Shabanov // Proceedings of SPIE. - 1998. - Vol. 3347. - P. 102-112

Доп.точки доступа:
Barannik, A. V.; Баранник, Алексей Владимирович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shkuryaev, P. G.; Shabanov, V. F.; Шабанов, Василий Филиппович; Optical Information Science and Technology(1997 ; Aug. 27-30 ; Moscow)
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Thermooptical information record in polymer-capsulated cholesteric liquid crystals / V. Y. Zyryanov [и др.] // Zhurnal Tek. Fiz. - 1996. - Vol. 66, Is. 8. - P. 99-106. - Cited References: 9 . - ISSN 0044-4642

РУБ Physics, Applied

WOS

Доп.точки доступа:
Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Zhuikov, V. A.; Жуйков, Владимир Александрович; Smorgon, S. L.; Сморгон, Сергей Леонидович; Shabanov, V. F.; Шабанов, Василий Филиппович; Adomenas, P. V.
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Thermooptical information record in bistable PDChLC films by focused light beam / A. V. Barannik, V. Ya. Zyryanov, V. F. Shabanov // 17th International Liquid Crystal Conference (ILCC 1998) : program and abstract book. - 1998. - P. 252

Материалы конференции

Доп.точки доступа:
Barannik, A. V.; Баранник, Алексей Владимирович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович; International Liquid Crystal Conference(17 ; 1998 ; 19-24 July ; Strasbourg)
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THERMOMAGNETIC WRITING OF ANALOGOUS INFORMATION ON RFE(R-TB, DY) FILMS / L. V. BURKOVA [и др.] // Zhurnal Tek. Fiz. - 1985. - Vol. 55, Is. 4. - P. 707-713. - Cited References: 17 . - ISSN 0044-4642

РУБ Physics, Applied

WOS
Доп.точки доступа:
BURKOVA, L. V.; ERUKHIMOV, M. S.; SEREDKIN, V. A.; FROLOV, G. I.; YAKOVCHUK, V. Y.
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The stability of the pheromones of xylophagous insects to environmental factors: An evaluation by quantum chemical analysis / P. V. Artyushenko [et al.] // Biophysics. - 2017. - Vol. 62, Is. 4. - P. 532-538, DOI 10.1134/S0006350917040029. - Cited References: 50 . - ISSN 0006-3509
Кл.слова (ненормированные):
insects -- xylophages -- pheromones -- molecules -- chemical properties -- environment -- impact -- information -- research -- effectiveness
Аннотация: The ground and excited states of the pheromone molecules produced by xylophagous insects (the bark beetle Ips typographus L., the black fir sawyer beetle Monochamus urussovi Fisch., and the black pine sawyer M. galloprovincialis Oliv.) were modeled using a quantum chemical method utilizing DFT (density functional theory) with the B3LYP functional. The absorption wavelengths (energies) and dipole moments were calculated; the transitions of electrons from occupied to empty molecular orbitals were considered. The computed data were used to assess the stability of pheromone molecules exposed to environmental factors, such as solar radiation and humidity.

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Публикация на русском языке Устойчивость феромонов насекомых-ксилофагов к факторам внешней cpеды: оценка на основе квантово -химического анализа [Текст] / П. В. Артюшенко [и др.] // Биофизика : Наука, 2017. - Т. 62 № 4. - С. 657-664

Держатели документа:
International Research Center for Studies of Extreme States of the Body, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Sukachev Institute of Forest, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Artyushenko, P. V.; Tomilin, F. N.; Томилин, Феликс Николаевич; Kuzubov, A. A.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Tsikalova, P. E.; Ovchinnikova, T. M.; Soukhovolsky, V. G.
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The comparative analysis of the solid-state 31P NMR spectra of Re-Pt vinylidene complexes / K. T. Smolyarov [et al.] // J. Phys. Conf. Ser. - 2019. - Vol. 1399. - Ст. 022028, DOI 10.1088/1742-6596/1399/2/022028. - Cited References: 11 . - ISSN 1742-6588. - ISSN 1742-6596
Рубрики:
Applied Physics
Аннотация: The two vinylidene complexes Cp(CO)2 RePt(μ-C=CHPh)(PPh3 )(CO) and Cp(CO)2 RePt(μ-C=CHPh)(PPh3 )2 and their precursors PPh3 and P(PPh3 )4 were studied by solid-state nuclear magnetic resonance. We analysed 31P cross-polarization spectra acquired in static conditions and with magic angle spinning. The chemical shift tensors of each sample were determined by fitting their spectra using SIMPSON simulations.

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Держатели документа:
Federal Research Center "Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences" (KSC SB RAS), Krasnoyarsk, Russia
Kirensky Institute of Physics SB RAS, Krasnoyarsk, Russia
Institute of Chemistry and Chemical Technology SB RAS, Krasnoyarsk, Russia
Siberian Federal University, Krasnoyarsk, Russia

Доп.точки доступа:
Smolyarov, K. T.; Volkov, N. V.; Matsulev, A. N.; Kondrasenko, A. A.; Кондрасенко, Александр Александрович; International Scientific Conference "Conference on Applied Physics, Information Technologies and Engineering"(25-27 September 2019 ; Krasnoyarsk, Russian Federation)
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10.

Muzalevskiy, K. V.
Synthesizing of ultra-wide band impulse by means of a log-periodic dipole antenna. Case study for a radar stand experiment / K. Muzalevskiy, M. Mikhaylov, Z. Ruzicka // 2022 IEEE International Multi-Conference on Engineering, Computer and Information Sciences, SIBIRCON 2022 : IEEE, 2022. - P. 1140-1143, DOI 10.1109/SIBIRCON56155.2022.10017008. - Cited References: 20. - The investigation supported by the Russian Science Foundation and the Krasnoyarsk Regional Science Foundation, project № 22-17-20042
Кл.слова (ненормированные):
Microwave remote sensing -- log-periodic dipole antenna -- calibration antenna -- complex antenna transfer function -- ultra-wide band impulse -- radiation and receiving impulse
Аннотация: In this work, the approach of ultra-wide band pulses synthesizing is proposed using a broadband low-cost log-periodic dipole antenna and a vector network analyzer. Synthesis of UWB pulse (duration of 2.2ns) became possible due to minimization of antenna dispersion by compensation of amplitude and phase-frequency distortions introduced by the antenna into radiated and received pulse. The method had been developed for a down-looking antenna in a monostatic radar configuration. The antenna return loss was calculated using the model of two-port linear network with S-parameters. To calibrate the model, an original amplitude-phase method was proposed that requires measuring the antenna's return loss when the antenna is located only at several heights above the reflecting surface (metal sheet). In this case, the antenna return loss in an empty room does not need to be measured. The proposed method for synthesizing UWB pulses does not require changes in the design of the antenna and can be implemented as an additional software calibration of the antenna-feeder path. The proposed method of UWB pulses synthesizing can be implemented using miniature, low-cost vector network analyzers for environment remote sensing from unmanned aerial vehicle using the UWB impulses.

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Держатели документа:
Kirensky Institute of Physics Federal Research Center, Laboratory of Radiophysics of the Earth Remote Sensing, KSC Siberian Branch, Russian Academy of Science, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Mikhaylov, M. I.; Михайлов, Михаил Иванович; Ruzicka, Z.; Ружичка, Зденек; Музалевский, Константин Викторович; IEEE International Multi-Conference on Engineering, Computer and Information Sciences 2022(1-13 November 2022 ; Yekaterinburg, Russian Federation)
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