Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs

To implement precision farming technology in agricultural crop production at all stages of plant vegetation, it is necessary to promptly determine the physical parameters of soil from its surface to the depth of the root system with a minimum resolution element area of 2-4 square meters. The GNSS re...

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Главные авторы:	Linets, G. I., Линец, Г. И., Bazhenov, A. V., Баженов, А. В., Malygin, S. V., Малыгин, С. В., Grivennaya, N. V., Гривенная, Н. В., Melnikov, S. V., Мельников, С. В., Goncharov, V. D., Гончаров, В. Д.
Формат:	Статья
Язык:	English
Опубликовано:	Institute of Electrical and Electronics Engineers Inc. 2025
Темы:	Interference waves Specific electrical conductivity Land zoning Remote sensing of soil
Online-ссылка:	https://dspace.ncfu.ru/handle/123456789/29836
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id	ir-123456789-29836
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spelling	ir-123456789-298362025-03-03T09:59:47Z Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs Linets, G. I. Линец, Г. И. Bazhenov, A. V. Баженов, А. В. Malygin, S. V. Малыгин, С. В. Grivennaya, N. V. Гривенная, Н. В. Melnikov, S. V. Мельников, С. В. Goncharov, V. D. Гончаров, В. Д. Interference waves Specific electrical conductivity Land zoning Remote sensing of soil To implement precision farming technology in agricultural crop production at all stages of plant vegetation, it is necessary to promptly determine the physical parameters of soil from its surface to the depth of the root system with a minimum resolution element area of 2-4 square meters. The GNSS reflectometry methods widely used for these purposes are affected by roughness of the probed surface and the presence of vegetation on it, do not provide penetration of the radio signal to the required depth, and do not allow carrying out measurements at a specified point in the field in a short time. The proposed study uses a bistatic P-band radar system placed on unmanned aerial vehicles (UAVs). The features of the formation of interference signals with vertical and horizontal polarizations are considered under the condition that the receiving antenna is on the border of the radiative (Fresnel) and far field region of the transmitter. The factors influencing the accuracy of measuring the Brewster angle by the phase method are shown using a three-layer model of radio wave propagation. To eliminate the possible ambiguity in Brewster angle measurements caused by oscillations in the phase shift of interference waves with vertical and horizontal polarizations and to increase the accuracy of soil electrical conductivity assessment, it is proposed to combine measurements of the phase differences and ratios of the acting amplitudes of interference waves with different polarizations. It is shown that the proposed system can be used for zoning of agricultural soils based on their electrical conductivity. 2025-03-03T09:58:06Z 2025-03-03T09:58:06Z 2025 Статья Linets G., Bazhenov A., Malygin S., Grivennaya N., Melnikov S., Goncharov V. Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs // IEEE Transactions on Geoscience and Remote Sensing. - 2025. - 63. - №5100114. - DOI: 10.1109/TGRS.2024.3508815 https://dspace.ncfu.ru/handle/123456789/29836 en IEEE Transactions on Geoscience and Remote Sensing application/pdf application/pdf Institute of Electrical and Electronics Engineers Inc.
institution	СКФУ
collection	Репозиторий
language	English
topic	Interference waves Specific electrical conductivity Land zoning Remote sensing of soil
spellingShingle	Interference waves Specific electrical conductivity Land zoning Remote sensing of soil Linets, G. I. Линец, Г. И. Bazhenov, A. V. Баженов, А. В. Malygin, S. V. Малыгин, С. В. Grivennaya, N. V. Гривенная, Н. В. Melnikov, S. V. Мельников, С. В. Goncharov, V. D. Гончаров, В. Д. Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs
description	To implement precision farming technology in agricultural crop production at all stages of plant vegetation, it is necessary to promptly determine the physical parameters of soil from its surface to the depth of the root system with a minimum resolution element area of 2-4 square meters. The GNSS reflectometry methods widely used for these purposes are affected by roughness of the probed surface and the presence of vegetation on it, do not provide penetration of the radio signal to the required depth, and do not allow carrying out measurements at a specified point in the field in a short time. The proposed study uses a bistatic P-band radar system placed on unmanned aerial vehicles (UAVs). The features of the formation of interference signals with vertical and horizontal polarizations are considered under the condition that the receiving antenna is on the border of the radiative (Fresnel) and far field region of the transmitter. The factors influencing the accuracy of measuring the Brewster angle by the phase method are shown using a three-layer model of radio wave propagation. To eliminate the possible ambiguity in Brewster angle measurements caused by oscillations in the phase shift of interference waves with vertical and horizontal polarizations and to increase the accuracy of soil electrical conductivity assessment, it is proposed to combine measurements of the phase differences and ratios of the acting amplitudes of interference waves with different polarizations. It is shown that the proposed system can be used for zoning of agricultural soils based on their electrical conductivity.
format	Статья
author	Linets, G. I. Линец, Г. И. Bazhenov, A. V. Баженов, А. В. Malygin, S. V. Малыгин, С. В. Grivennaya, N. V. Гривенная, Н. В. Melnikov, S. V. Мельников, С. В. Goncharov, V. D. Гончаров, В. Д.
author_facet	Linets, G. I. Линец, Г. И. Bazhenov, A. V. Баженов, А. В. Malygin, S. V. Малыгин, С. В. Grivennaya, N. V. Гривенная, Н. В. Melnikov, S. V. Мельников, С. В. Goncharov, V. D. Гончаров, В. Д.
author_sort	Linets, G. I.
title	Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs
title_short	Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs
title_full	Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs
title_fullStr	Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs
title_full_unstemmed	Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs
title_sort	remote assessment of soil electrical conductivity using a p-band amplitude-phase interferometer deployed on two uavs
publisher	Institute of Electrical and Electronics Engineers Inc.
publishDate	2025
url	https://dspace.ncfu.ru/handle/123456789/29836
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Remote Assessment of Soil Electrical Conductivity Using a P-band Amplitude-Phase Interferometer Deployed on Two UAVs

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