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      Issues on Multi-polarization of GNSS-R for Passive Radar Detection

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          Abstract

          GNSS Reflectometry (GNSS-R) is a currently developed remote sensing technology which belongs to the passive radar domain. This paper aims to deal with some issues on multi-polarization of GNSS-R technology. Four different polarization patterns of the received GNSS-R signal are discussed, including rl, rr, rv, rh. For each polarization, formulas for calculating the surface reflectivity (Γ) using dielectric constant (ε) and satellite elevation angle (θ) are derivated. The rationality of these formulas is validated using data from a ground-based GNSS-R soil moisture experiment. The results of this research can provide references for further GNSS-R research, including simulation, experiment design, model development and data processing.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 January 2015
          : 3
          : 6
          : 641-651
          Affiliations
          [1 ] State Key Laboratory of Hydroscience and Engineering, Tsinghua University
          [2 ] Meteorological Observation Center, China Meteorological Administration
          Article
          54a5dd77e75e4ab39532534dfc2211f1
          10.12000/JR14095

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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