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A Multi-Order Radiative Transfer Model for Microwave Radiometry of Vegetation Canopies
Chen, Liang; Wang, Cheng; Cui, Qian; Chen, L (reprint author), Chinese Acad Space Technol, Qian Xuesen Lab Space Technol, Beijing, Peoples R China.
作者部门微波遥感部
会议录名称PROCEEDINGS OF THE 2016 11TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND EM THEORY (ISAPE)
2016
页码921-924
语种英语
ISBN号978-1-5090-4743-7
摘要uantitative understanding of the relationship between scattering mechanisms within vegetation canopies and the microwave brightness temperature is desirable for soil moisture retrievals over vegetated landscapes. In this study, a multi-order radiative transfer model is developed to more accurately account for vegetation canopy scattering by modifying the basic t-? model. The multi-order solution is used to investigate this relationship and to perform a physical analysis of the scattered and emitted radiation from vegetation canopies. The model is tested against Multi-frequency Microwave Radiometer brightness temperature measurements acquired over deciduous soybean and cotton by a truck-mounted microwave instrument system called TMMR in 2009. The model predictions are in good agreement with the data, and they give quantitative understanding for the influence of multi-order scattering within the canopy on the brightness temperature. The results show that the scattering term is significant for the vegetation canopies and modifications are necessary to the tau-omega model when applied to dense vegetation.
关键词Microwave Radiometry Radiative Transfer Model Scattering Vegetation Canopies
会议名称11th International Symposium on Antennas, Propagation and EM Theory (ISAPE)
会议日期OCT 18-21, 2016
会议地点Guilin, PEOPLES R CHINA
收录类别EI ; CPCI
文献类型会议论文
条目标识符http://ir.nssc.ac.cn/handle/122/5941
专题微波遥感部
通讯作者Chen, L (reprint author), Chinese Acad Space Technol, Qian Xuesen Lab Space Technol, Beijing, Peoples R China.
推荐引用方式
GB/T 7714
Chen, Liang,Wang, Cheng,Cui, Qian,et al. A Multi-Order Radiative Transfer Model for Microwave Radiometry of Vegetation Canopies[C],2016:921-924.
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