A Novel Method for the Accurate Measurement of Soil Infiltration Line by Portable Vector Network Analyzer
Accurate measurement of soil infiltration lines is very important for agricultural irrigation systems. It can help monitor the irrigation of soil to control irrigation amounts and promote crop growth. The soil infiltration line is a complex dynamic boundary and is difficult to model accurately, lead...
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MDPI AG
2021
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oai:doaj.org-article:29963d6863c647818663da491ed4a7d92021-11-11T19:11:23ZA Novel Method for the Accurate Measurement of Soil Infiltration Line by Portable Vector Network Analyzer10.3390/s212172011424-8220https://doaj.org/article/29963d6863c647818663da491ed4a7d92021-10-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7201https://doaj.org/toc/1424-8220Accurate measurement of soil infiltration lines is very important for agricultural irrigation systems. It can help monitor the irrigation of soil to control irrigation amounts and promote crop growth. The soil infiltration line is a complex dynamic boundary and is difficult to model accurately, leading to estimation deviation. A traditional TDR (time domain reflectometry) method is used in soil infiltration line measurement, but it lacks good applicability and accuracy. In this paper, we proposed a method—VFTT (The vector network analyzer’s frequency domain signals are converted to the time domain)—by the time domain to frequency domain conversion principle to improve the accuracy of soil infiltration line measurement. The experiment results show that the measurement method of soil infiltration line based on VFTT has high accuracy and robustness. After fitting the measured value with the actual one, R<sup>2</sup> reaching more than 0.98 can effectively measure the position of the soil infiltration line.Xiaobin LiZhengguang LiuLei LinHao FanXingyu LiangJinghui XuMDPI AGarticleVFTTsoil infiltration lineportable vector network analyzerdielectric measurementtime domain to frequency domain conversionimpedance changeChemical technologyTP1-1185ENSensors, Vol 21, Iss 7201, p 7201 (2021) |
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VFTT soil infiltration line portable vector network analyzer dielectric measurement time domain to frequency domain conversion impedance change Chemical technology TP1-1185 |
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VFTT soil infiltration line portable vector network analyzer dielectric measurement time domain to frequency domain conversion impedance change Chemical technology TP1-1185 Xiaobin Li Zhengguang Liu Lei Lin Hao Fan Xingyu Liang Jinghui Xu A Novel Method for the Accurate Measurement of Soil Infiltration Line by Portable Vector Network Analyzer |
description |
Accurate measurement of soil infiltration lines is very important for agricultural irrigation systems. It can help monitor the irrigation of soil to control irrigation amounts and promote crop growth. The soil infiltration line is a complex dynamic boundary and is difficult to model accurately, leading to estimation deviation. A traditional TDR (time domain reflectometry) method is used in soil infiltration line measurement, but it lacks good applicability and accuracy. In this paper, we proposed a method—VFTT (The vector network analyzer’s frequency domain signals are converted to the time domain)—by the time domain to frequency domain conversion principle to improve the accuracy of soil infiltration line measurement. The experiment results show that the measurement method of soil infiltration line based on VFTT has high accuracy and robustness. After fitting the measured value with the actual one, R<sup>2</sup> reaching more than 0.98 can effectively measure the position of the soil infiltration line. |
format |
article |
author |
Xiaobin Li Zhengguang Liu Lei Lin Hao Fan Xingyu Liang Jinghui Xu |
author_facet |
Xiaobin Li Zhengguang Liu Lei Lin Hao Fan Xingyu Liang Jinghui Xu |
author_sort |
Xiaobin Li |
title |
A Novel Method for the Accurate Measurement of Soil Infiltration Line by Portable Vector Network Analyzer |
title_short |
A Novel Method for the Accurate Measurement of Soil Infiltration Line by Portable Vector Network Analyzer |
title_full |
A Novel Method for the Accurate Measurement of Soil Infiltration Line by Portable Vector Network Analyzer |
title_fullStr |
A Novel Method for the Accurate Measurement of Soil Infiltration Line by Portable Vector Network Analyzer |
title_full_unstemmed |
A Novel Method for the Accurate Measurement of Soil Infiltration Line by Portable Vector Network Analyzer |
title_sort |
novel method for the accurate measurement of soil infiltration line by portable vector network analyzer |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/29963d6863c647818663da491ed4a7d9 |
work_keys_str_mv |
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