The use of Global Navigation Satellite Signals Reflections (GNSS-R) techniques to retrieve geophysical parameters from surfaces has been increased in the recent years. These techniques have resulted in suitable tools to obtain information about the sea state of oceans, which is very useful to improve the ocean salinity retrieval, and also, information about the soil moisture of lands. The present work focuses on the use of the Interference Pattern Technique (IPT), a particular type of GNSS-R technique, to study vegetation-covered soils. The IPT consists mainly of the measurement of the interference pattern between the GPS direct and reflected signals (the interference power), after they impinge over the ensemble soil surface and vegetation layer. The measured interference signal provides information on the soil moisture of the surface and also, on the vegetation height.
CitationRodriguez, N. [et al.]. Study of maize plants effects in the retrieval of soil moisture using the interefence Ppttern GNSS-R technique. A: IEEE International Geoscience and Remote Sensing Symposium. "2010 IEEE International Geoscience and Remote Sensing Symposium". Honolulu: 2010, p. 3813-3816.
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