Vegetation scattering attenuation characteristics of terahertz wave  

作　　者：JING Qingfeng DIAO Zhuo ZHU Zhongbo 

机构地区：[1]College of Astronautics,Nanjing University of Aeronautics and Astronautics,Nanjing 210019,China [2]The 28th Research Institute of China Electronics Technology Group Corporation,Nanjing 210000,China [3]The 504 Research Institution,China Aerospace Science and Technology Corporation,Xi’an 710100,China

出　　处：《Journal of Systems Engineering and Electronics》2023年第6期1501-1507,共7页系统工程与电子技术（英文版）

基　　金：the Fundamental Research Funds for the Central Universities(NT2021026).

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.

关 键 词：terahertz(THz) scatter attenuation VEGETATION vegetation structure model 

分 类 号：O441.4[理学—电磁学]