Abstract
Active microwave remote sensing is essential to monitor the conditions of the environment by analyzing the microwave returns from the earth terrain. Various Computational Electromagnetics (CEM) techniques are implemented to study the backscattering coefficient of numerous earth terrains such as vegetation and snow medium. In this paper, a theoretical model based on second order radiative transfer equation is investigated by incorporating two computational methods which are known as coupled Finite Element Method (FEM) and Method of Moment (MoM), and Relaxed Hierarchical Equivalent Source Algorithm (RHESA). These theoretical models consider three shapes of scatterers which can be used to represent the ice particles of snow medium. These mentioned shapes are sphere, droxtal and hexagonal column. These methods are used to investigate the effect of various incident angles and frequencies on the backscattering mechanism. These results are compared with analytical Mie solution and ground truth measurement to analyze and verify the model.
Recommended Citation
H. A. Kumaresan et al., "MODEL COMPUTATION WITH SECOND-ORDER RADIATIVE TRANSFER EQUATION FOR SNOW MEDIUM USING COUPLED FINITE ELEMENT METHOD AND METHOD OF MOMENT AND RELAXED HIERARCHICAL EQUIVALENT SOURCE ALGORITHM," International Geoscience and Remote Sensing Symposium (IGARSS), pp. 1417 - 1420, Institute of Electrical and Electronics Engineers, Jan 2021.
The definitive version is available at https://doi.org/10.1109/IGARSS47720.2021.9553396
Department(s)
Electrical and Computer Engineering
Keywords and Phrases
Active microwave remote sensing; Computational electromagnetics (CEM); Coupled FEM with MoM; Relaxed hierarchical equivalent source algorithm (RHESA); Snow medium
International Standard Book Number (ISBN)
978-166540369-6
Document Type
Article - Conference proceedings
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2024 Institute of Electrical and Electronics Engineers, All rights reserved.
Publication Date
01 Jan 2021
