Vegetation Scattering Attenuation Characteristics of Terahertz Wave

被引：0

作者：

Jing, Qingfeng ^{[1
]}

Diao, Zhuo ^{[2
]}

Zhu, Zhongbo ^{[3
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Astronaut, Nanjing 210019, Peoples R China

[2] 28th Res Inst China Elect Technol Grp Corp, Nanjing 210000, Peoples R China

[3] China Aerosp Sci & Technol Corp, Res Inst 504, Xian 710100, Peoples R China

来源：

JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS | 2023年 / 34卷 / 06期

关键词：

terahertz (THz); scatter attenuation; vegetation; vegetation structure model; MILLIMETER-WAVE; WATER STATUS;

D O I：

10.23919/JSEE.2022.000133

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A terahertz (THz) wave transmitted through vegetation experiences both absorption and scattering caused by the air molecules and leaves. This paper presents the scattering attenuation characteristics of vegetation in a THz range. The theoretical path loss model near the vegetation yields the average attenuation of THz waves in a mixed channel composed of air and vegetation leaves. Furthermore, a simplified model of the vegetation structure is obtained for generic vegetation types based on a variety of parameters, such as leaf size, distribution, and moisture content. Finally, based on specific vegetation species and different levels of air humidity, the attenuation characteristics under different conditions are calculated, and the influence of different model parameters on the attenuation characteristics is obtained.

引用

页码：1501 / 1507

页数：7

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