Browsing by Author "Hyuk, Park"
Now showing items 1-20 of 175
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3CAT-3/MOTS, an experimental nanosatellite for multispectral and GNSS-R earth observation: airborne optical and GNSS-R campaign
Castellví Esturi, Jordi; Camps Carmona, Adriano José; Onrubia Ibáñez, Raúl; Alamús, Ramón; Pascual Biosca, Daniel; Querol Borràs, Jorge; Hyuk, Park (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyThe 3 Cat-3/MOTS mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica de Catalunya-BarcelonaTech (UPC) to foster new and innovative technologies on ... -
A general analysis of the impact of digitization in microwave correlation radiometers
Bosch Lluís, Xavier; Ramos Pérez, Isaac; Camps Carmona, Adriano José; Rodríguez Álvarez, Nereida; Valencia Domènech, Enric; Hyuk, Park (2011-06)
Article
Open AccessThis study provides a general framework to analyze the effects on correlation radiometers of a generic quantization scheme and sampling process. It reviews, unifies and expands several previous works that focused on these ... -
A generic level 1 simulator for spaceborne GNSS-R missions and application to GEROS-ISS ocean reflectometry
Hyuk, Park; Camps Carmona, Adriano José; Pascual Biosca, Daniel; Kang, Yujin; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Alonso Arroyo, Alberto (2017-07-18)
Article
Open AccessIn the past decade Global Navigation Satellites System Reflectometry (GNSS-R) has emerged as a new technique for earth remote sensing for various applications, such as ocean altimetry and sea state monitoring. After the ... -
A generic simulator for aperture synthesis radiometers
Camps Carmona, Adriano José; Hyuk, Park; Barbosa Torralbo, José; Bandeiras, J.; D'Addio, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2012)
Conference report
Restricted access - publisher's policyESA's SMOS mission has demonstrated that Synthetic Aperture Interferometric Radiometers can be a useful tool for Earth observation. Today, the NASA's GeoStar instrument (USA), ESA's GAS instrument (Europe), or CSSAR's GIMS ... -
A generic simulator for aperture synthesis radiometers: Radiative transfer module and end-to-end tests
Camps Carmona, Adriano José; Hyuk, Park; Barbosa, José; Bandeiras, J.; Sousa, Ana; d'Addio, Salvatore; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference lecture
Restricted access - publisher's policyThe Synthetic Aperture Interferometric Radiometer (SAIR) Performance Simulator (SAIRPS) is a very versatile software tool developed by Deimos Engenharia (Portugal) and the Universitat Politècnica de Catalunya-Barcelona ... -
A method for correcting the GPS navigation bit transitions in the FY-GNOS-II GNSS-R payload
Wang, Changyang; Yu, Kegen; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2024)
Conference lecture
Open AccessGlobal Navigation Satellite System Reflectometry (GNSS-R) is a remote sensing technology that uses GNSS signals reflected over Earth’s surface, offering advantages such as high spatio-temporal resolution and cost-effectiveness. ... -
A neural network approach to predict the ionospheric scintillation Wbmod model variables
Molina Ordóñez, Carlos; Boudriki Semlali, Badr Eddine; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference lecture
Open AccessThe ionospheric scintillation can be explained as the fluctuations in the phase and intensity of electromagnetic rays after crossing the ionosphere. Rino’s theory was proposed in 1979 to quantify this scintillation, and ... -
A preliminary study on ionospheric scintillation anomalies detected using GNSS-R data from NASA CYGNSS mission as possible earthquake precursors
Molina Ordóñez, Carlos; Boudriki Semlali, Badr Eddine; Hyuk, Park; Camps Carmona, Adriano José (Multidisciplinary Digital Publishing Institute (MDPI), 2022-05-26)
Article
Open AccessIonospheric perturbations affect the propagation of electromagnetic waves. These perturbations, besides being a problem for space communications, satellite navigation, and Earth observation techniques, could also be used ... -
A radio-frequency interference detector for GNSS navigation and GNSS-reflectometry applications
Querol Borràs, Jorge; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyRadio-Frequency Interference (RFI) is a growing problem for applications based on the Global Navigation Satellite Systems (GNSS), including Earth observation using GNSS - Reflectometry (GNSS-R). Nowadays, many efforts are ... -
Accurate geolocation of rfi sources in smos imagery based on superresolution algorithms
Hyuk, Park; Camps Carmona, Adriano José; González Gambau, Veronica (2014)
Conference report
Restricted access - publisher's policyAccurate geolocation of SMOS RFI sources is very important for effectively switching-off the illegal emitter in the protected L-band. We present a novel approach for the geolocation of SMOS RFI sources, based on the Direction ... -
Advances in the MIR instrument: integration, control subsystem and analysis of the flight dynamics for beamsteering purposes
Onrubia Ibáñez, Raúl; Garrucho, Lidia; Pascual Biosca, Daniel; Hyuk, Park; Querol Borràs, Jorge; Alonso Arroyo, Alberto; Camps Carmona, Adriano José (2015)
Conference lecture
Restricted access - publisher's policyThe 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 ... -
AI4WATER: a digital twin for irrigated agriculture
Camps Carmona, Adriano José; López Martínez, Carlos; Gonga i Siles, Amadeu; Gràcia i Solà, Guillem; Pérez Portero, Adrián; Alonso González, Alberto; Vall-Llossera Ferran, Mercedes Magdalena; Hyuk, Park; Pérez Gracia, María de la Vega; Caselles Magallón, Josep Oriol; Domènech Mestres, Carles; Català Calderon, Pau; Ruiz De Azúa Ortega, Juan Adrián; Solsona Rullo, Montserrat (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
Pérez Portero, Adrián; Muñoz Martin, Joan Francesc; Hyuk, Park; Camps Carmona, Adriano José (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 ... -
Altimetry performance and error budget of the PARIS in-orbit demonstration mission
Camps Carmona, Adriano José; Pascual Biosca, Daniel; Hyuk, Park; Martín Alemany, Francisco; Rius, Antonio; Ribó Vedrilla, Serni; Benito, Javier; Andrés, A.; Saameno, Paula; Staton, Gavin; Martín Neira, Manuel; D'Addio, Salvatore; Willemsen, P. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyReflectometry using Global Navigation Satellite System's signals of opportunity (GNSS-R) was originally conceived for mesoscale altimetry [1], although its applicability to sea state determination, soil moisture, vegetation, ... -
Altimetry with GNSS-R interferometry: first proof of concept experiment
Martín Neira, Manuel; Altena, B.; van Bree, R.; Van Der Marel, H.; Camps Carmona, Adriano José; Rius, Antonio; Nogués Correig, O.; Ribó Vedrilla, Serni; Cardellach, Estel; Oliveras, S.; Valencia Domènech, Enric; Hyuk, Park; Tarongí Bauzá, José Miguel (2012-04)
Article
Restricted access - publisher's policyThe Global Navigation Satellite System Reflectometry (GNSS-R) concept was conceived as a means to densify radar altimeter measurements of the sea surface. Until now, the GNSS-R concept relied on open access to GNSS ... -
An efficient technique for rapid estimation of flood water levels: combining CYGNSS GNSS-R L1 data with DTMS
Ma, Zhongmin; Zhang, Shuangcheng; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2024)
Conference report
Open AccessNumerous studies have demonstrated the effectiveness of CYGNSS data for flood detection and mapping. However, the vast majority of the studies only focuses on flood extent detection, ignoring the importance of flood water ... -
An enhanced resolution brightness temperature product for future conical scanning microwave radiometers
Nunziata, Ferdinando; Alparone, Matteo; Camps Carmona, Adriano José; Hyuk, Park; Zurita Campos, Alberto M.; Estatico, Claudio; Migliaccio, Maurizio (Institute of Electrical and Electronics Engineers (IEEE), 2022)
Article
Open AccessAn enhanced spatial resolution brightness temperature product is proposed for future conical scan microwave radiometers. The technique is developed for Copernicus Imaging Microwave Radiometer (CIMR) measurements that are ... -
An FFT-based CLEAN deconvolution method for interferometric microwave radiometers with spatially variable beam pattern
Sugihara El Maghraby, Ahmed Kiyosi; Hyuk, Park; Camps Carmona, Adriano José; Grubišic, Angelo; Colombo, Camilla; Tatnall, Adrian (Institute of Electrical and Electronics Engineers (IEEE), 2021-02-01)
Article
Restricted access - publisher's policyA modification to the extended CLEAN deconvolution method for passive microwave interferometric radiometers is presented to account for the interferometer beam patterns that vary depending on the source position within the ... -
An imaging algorithm for synthetic aperture interferometric radiometers with built-in RFI mitigation
Camps Carmona, Adriano José; Hyuk, Park; González Gambau, Veronica (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyRadio Frequency Interference (RFI) is probably one of the most important limiting factors in the accuracy of the brightness temperatures measured by microwave radiometers. Due to the proximity of the 'protected' L-band ... -
Analysis of GNSS-R delay and doppler tracking errors
Hyuk, Park; Camps Carmona, Adriano José; Valencia Domènech, Enric; Carreño Luengo, Hugo; Martín Alemany, Francisco; Alonso Arroyo, Alberto; Pascual Biosca, Daniel (2012)
Conference report
Restricted access - publisher's policyThe compensation of the delay and Doppler errors using tracking is important to accurately estimate the sea height in spaceborne GNSS-R. This work presents the impacts of the tracking residual errors on the GNSS-R observables, ...