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Monitoring forest above-ground biomass from multifrequency vegetation optical depth: a preliminary study
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessVegetation Optical Depth (VOD) is highly sensitive to Above-ground Biomass (AGB), particularly at L-band, as this band is more sensitive to the canopy layer and has greater ca pacity to penetrate the vegetation. However, ... -
Parameter considerations for the retrieval of surface soil moisture from spaceborne GNSS-R
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessThe Microwave Interferometric Reflectometer (MIR) is an airborne GNSS-R instrument developed by Universitat Politècnica de Catalunya. In 2018, it was flown twice over the agricultural Yanco area, New South Wales, Australia, ... -
Untangling the GNSS-R coherent and incoherent components: Experimental evidences over the ocean
(2020)
Conference report
Open AccessGlobal Navigation Satellite Systems Reflected (GNSS-R) signals exhibit an incoherent and a coherent components [1], [2]. Current models assume that one or the other are dominant, and the calibration, and geophysical parameter ... -
First experimental evidence of wind and swell signatures in L5 GPS and E5A Galileo GNSS-R waveforms
(2020)
Conference report
Open AccessAs compared to the using L1C/A signals, L5/E5a Global Navigation Satellite System - Reflectometry (GNSS-R), gives improved resolution over the Earth's surface due to the sharper auto-correlation function. Furthermore, the ... -
Global L-band vegetation volume fraction estimates for modeling vegetation optical depth
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyThe attenuation of microwave emissions through the canopy is quantified by the vegetation optical depth (VOD), which is related to the amount of water, the biomass and the structure of vegetation. To provide microwave-derived ... -
Exploring the performance of a miniature 3D wind sensor under extreme martian winds up to the dust devil scale
(2019)
Conference report
Open AccessThe objective of this paper is to explore the performance of a miniature 3D spherical wind sensor for Mars atmosphere, working under extreme wind speeds, up to the Dust Devil scale. The experimental campaign has been made ... -
Testing campaign of a martian spherical wind sensor at the AWTSII Wind Tunnel Facility
(2018)
Conference report
Open Access -
Sensitivity to soil moisture of spaceborne GNSS-R observables
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyThe potential of GNSS-R techniques to estimate land surface parameters such as Soil Moisture (SM) is experimentally studied using 2014-2017 global data from the UK TechDemoSat-1 (TDS-1) mission. The approach is based on ... -
Antena Bi-banda con conformación de dos haces simultáneos para sistemas GNSS-R
(Unión Científica Internacional de Radio (URSI), 2018)
Conference report
Restricted access - publisher's policyGlobal Navigation Satellite Systems – Reflectometry (GNSS-R) is a relatively new remote sensing technique that benefits from GNSS signals as signals of opportunity as a bistatic radar. These signals can be processed as ... -
Microwave and optical data fusion for global mapping of soil moisture at high resolution
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyAfter more than 8 years in orbit the Soil Moisture and Ocean Salinity (SMOS) satellite is still in good health and several algorithms for improving its spatial resolution have been proposed and validated in a variety of ... -
Instrument needs for the Copernicus space infrastructure in the timeframe 2020–2030
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyThis work is part of “Operational Network of Individual Observation Nodes” (ONION). ONION is an H2020 project devoted to identify solutions and to satisfy emerging needs of the European Earth Observation (EO) market. In ... -
Preliminary end- to-end results of the MIR instrument: the microwave interferometric reflectometer
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyGlobal Navigation Satellite Systems - Reflectometry (GNSS-R) has shown his potential for remote sensing. Since new wider band signals are being broadcasted, and new systems are becoming available, a performance comparison ...
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