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PAU-SA: a synthetic aperture interferometric radiometer test bed for potential improvements in future missions
(2012-06)
Article.
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Article.
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The Soil Moisture and Ocean Salinity (SMOS) mission is an Earth Explorer Opportunity mission from the European Space Agency (ESA). Its goal is to produce global maps of soil moisture and ocean salinity using the Microwave ...
Calibration, performance, and imaging tests of a fully digital synthetic aperture interferometer radiometer
(2012-06-28)
Article.
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Article.
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This work presents the calibration, characterization,
and imaging tests of the Passive Advanced Unit-Synthetic Aperture
instrument (PAU-SA). PAU-SA is a fully digital -shaped
two-dimensional synthetic aperture interferometric ...
Advances in the MIR instrument: integration, control subsystem and analysis of the flight dynamics for beamsteering purposes
(2015)
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Comunicació de congrés.
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The MIR (Microwave Interferometric Reflectometer) is a
new dual frequency Global Navigation Satellite Systems Re-
flectometry (GNSS-R) instrument that implements conventional
and interferometric reflectometry, both with ...
Multi-wavelength aerosol LIDAR signal pre-processing: practical considerations
(2015-12)
Article.
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Article.
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Elastic lidars provide range-resolved information about the aerosol content in the atmosphere. Nevertheless, a number of pre-processing techniques need to be used before performing the inversion of the detected signal: ...
Analysis of the potential of small satellites to cover the sea ice data products gap
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
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This work reviews and analyses potentially relevant technologies to ensure that the gaps and stakeholder needs for sea ice products are covered. Each variable related to sea ice that presenting gaps using the European EO ...
Detecting Targets above the Earth's Surface Using GNSS-R Delay Doppler Maps: Results from TDS-1
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-10-07)
Article.
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Article.
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: Global Navigation Satellite System (GNSS) reflected signals can be used to remotely sense
the Earth’s surface, known as GNSS reflectometry (GNSS-R). The GNSS-R technique has been applied
to numerous areas, such as the ...
Ionospheric effects in GNS-reflectometry from space
(2016-12-01)
Article.
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Article.
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Global navigation satellite systems-reflectometry
(GNSS-R) is an emerging technique that uses navigation opportunistic
signals as a multistatic radar. Most GNSS systems operate
at L-band, which is affected by the ...
Performance assessment of time–frequency RFI mitigation techniques in microwave radiometry
(2017-02-14)
Article.
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Article.
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Radio–frequency interference (RFI) signals are a well-known threat for microwave radiometry (MWR) applications. In order to alleviate this problem, different approaches for RFI detection and mitigation are currently under ...
Strong RFI impact mitigation in the synthetic aperture interferometric radiometer
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
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Radio Frequency Interference (RFI) is one of the problems causing the performance degradation in passive microwave radiometry. Especially, Synthetic Aperture Interferometric Radiometer (SAIR) is quite vulnerable to strong ...
Impact of multi-path by ISS structure on GEROS-ISS measured waveforms
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
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The GNSS rEflectometry, Radio Occultation and Scatterometry onboard the International Space Station (GEROS-ISS) experiment consists of the installation of a GNSS reflectometry (GNSS-R) instrument on the International Space ...