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Leaf water status monitoring by scattering effects at terahertz frequencies

文献类型: 外文期刊

作者: Li, Bin 1 ; Zhang, Xiao 2 ; Wang, Rong 2 ; Mei, Yu 2 ; Ma, Jianjun 2 ;

作者机构: 1.Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China

2.Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China

关键词: Leaf water status; Terahertz waves; Scattering; Rough surface; Integral equation method; Radiative transfer theory

期刊名称:SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY ( 影响因子:4.098; 五年影响因子:3.464 )

ISSN: 1386-1425

年卷期: 2021 年 245 卷

页码:

收录情况: SCI

摘要: The applications of terahertz (THz) radiation for plant water status monitoring require systematic studies on interaction of THz wave and plants. Here, we present theoretical investigations on scattering behavior of THz waves reflected by and transmitting through a plant leaf under different water content. A theoretical model combining integral equation and radiative transfer theory is presented to fit the measured data. Good agreement confirms the availability of the model for water status evaluation when variation of leaf thickness and surface roughness is considered. We investigate the applicability of THz waves for water status monitoring in reflection and transmission geometries under different temperatures, salinities and polarizations. (C) 2020 Elsevier B.V. All rights reserved.

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