Browsing by Author "Pérez Portero, Adrián"
Now showing items 1-20 of 29
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A controlled ground-based experiment to assess the capabilities of GNSS-R for marine litter detection in a flume
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessDetection of marine litter is an urgent task given the large amount of plastics that end up in all water systems. This manuscript provides the description and results obtained from a ground-based Global Navigation Satellite ... -
A polarimetric approach to marine litter detection using GNSS-reflectometry in a controlled flume
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessOver 14 million tons of plastic end up yearly in the ocean, originating from polluted waterways such as rivers, sewers, or storm waters, or from industrial and nautical activities with improper garbage disposal methods. ... -
A pre-correlation RFI mitigation algorithm for L-band interferometric radiometers
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessRadio Frequency Interference (RFI) is a major concern for both real and synthetic aperture radiometers. After the lessons learnt from SMOS, ESA is preparing the next generation of L-band interferometric radiometers with ... -
A review of RFI mitigation techniques in microwave radiometry
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-12-17)
Article
Open AccessRadio frequency interference (RFI) is a well-known problem in microwave radiometry (MWR). Any undesired signal overlapping the MWR protected frequency bands introduces a bias in the measurements, which can corrupt the ... -
AI4WATER: a digital twin for irrigated agriculture
(Institute of Electrical and Electronics Engineers (IEEE), 2024)
Conference report
Open AccessThis study presents a Digital Twin (DT) that is being created to optimize the use of the available hydric resources, and mitigate the effects of the increasing water shortage in irrigated agriculture in fields in the Urgell ... -
Airborne GNSS-R: A key enabling technology for environmental monitoring
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Article
Open AccessWeather forecast using GNSS-R relies, to a large extent, on data acquired by airborne and spaceborne platforms due to the extended coverage that can be achieved. GEO satellites can retrieve measurements over large areas ... -
Analysis on the feasability of airborne GNSS-R receivers for weather nowcasting and target detection
(2020)
Conference lecture
Open AccessWeather forecast relies to a large extent on data acquired by satellite. LEO polar satellites provide global coverage, but poor spatial resolution. GEO satellites provide a better coverage and revisit time, at expenses of ... -
Assessing the detection of floating plastic litter with advanced remote sensing technologies in a hydrodynamic test facility
(Springer, 2024-10-29)
Article
Open AccessRemote sensing technologies have the potential to support monitoring of floating plastic litter in aquatic environments. An experimental campaign was carried out in a large-scale hydrodynamic test facility to explore the ... -
³Cat-4 Mission: a 1-unit cubesat for earth observation with a L-band radiometer and a GNSS-reflectometer using software defined radio
(2019)
Conference lecture
Restricted access - publisher's policyGlobal Navigation Satellite System Reflectometry and L-band microwave radiometry have been used for soil moisture, biomass, and cryosphere studies. Combining both technologies in a low-power and cost-effective solution ... -
Characterization and verification of the Rita payload hyperspectral imager in Alainsat-1, as part of the 2nd IEEE GRSS student grand challenge
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessThe Remote sensing and Interference detector with radiome-Try and vegetation Analysis (RITA Payload) [1] is a development of the UPC NanoSat Lab, aimed at Earth Observation (EO). It is one of the winners of the Second IEEE ... -
Classification and characterization of RFI events for passive Earth observation bands
(Institute of Electrical and Electronics Engineers (IEEE), 2024)
Conference report
Open AccessPassive Microwave remote sensing is a very energy-efficient and time-proven technology for remote sensing. Microwave Radiometry and Global Navigation Satellite System (GNSS)-Reflectometry are two widely-used examples. The ... -
Description of the Rita payload aboard AlainSat-1, A 3U educational Cubesat
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessThe Remote sensing and Interference detector with radiome-Try and vegetation Analysis (RITA) payload was selected in 2019 the 2nd GRSS Student Grand Challenge to fly onboard AlainSat-1, a 3U CubeSat developed at the National ... -
Design, implementation and verification of CubeSat systems for Earth Observation
(Universitat Politècnica de Catalunya, 2019-05-26)
Master thesis
Open AccessIn recent years, Earth Observation (EO) technologies have surged in an attempt to better understand the world we live in, and exploit the vast amount of data that can be collected to improve our lives. The field of EO ... -
Design, implementation, and testing of a microwave radiometer for RITA, a 1U payload on board of the AlainSat-1
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Restricted access - publisher's policyIn 2019, the IEEE 2nd GRSS Student Grand Challenge selected the Remote sensing and Interference detector with radiomeTry and vegetation Analysis (RITA) payload to fly on board of AlainSat-1, a 3U CubeSat from the United ... -
Development of a drone-based miniaturized flexible microwave payload (FMPL) with MWR, GNSS-R, and RFI instruments
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Restricted access - publisher's policyPassive microwave remote sensing encompasses techniques well suited for use in systems with limited power budget, due to the low consumption linked to reception-only operation. Some examples of these techniques include ... -
FSSCat Mission description and first scientific results of the FMPL-2 onboard 3CAT-5/A
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessFSSCat, the “Federated Satellite Systems/ 3 Cat-5” mission was the winner of the 2017 ESA S^3 (Sentinel Small Satellite) Challenge and overall winner of the Copernicus Masters competition. FSSCat consists of two 6 unit ... -
FSSCat: The Federated Satellite Systems 3Cat Mission: Demonstrating the capabilities of CubeSats to monitor essential climate variables of the water cycle
(Institute of Electrical and Electronics Engineers (IEEE), 2022-12)
Article
Open AccessThe Federated Satellite Systems/ 3 Cat-5 (FSSCat) mission was the winner of the European Space Agency (ESA) Sentinel Small Satellite (S 3 ) Challenge and overall winner of the 2017 Copernicus Masters competition. It consisted ... -
GNSS-R observations of marine plastic litter in a water flume: an experimental study
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-01)
Article
Open AccessCurrently, eight million metric tons of plastic end up in the oceans every year, and microplastics in different forms are present in almost all water systems in the world: streams, rivers, lakes, or oceans, and even in our ... -
Implementation of a testbed for GNSS-R payload performance evaluation
(Institute of Electrical and Electronics Engineers (IEEE), 2020-05-28)
Article
Open AccessThe functional performance of space-borne instruments must be validated on ground before and after satellite integration. The effects of radio-frequency interference are also becoming more important, even in protected bands ... -
In-orbit validation of the FMPL-2 dual microwave payload onboard the Fsscat Mission
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyThe Flexible Microwave Payload -2 is the microwave remote sensing payload of the FSSCat mission. The instrument is the outcome of years of work of the Universitat Politécnica de Catalunya Passive Remote Sensing Laboratory, ...
