Exploració per autor "Castellví Esturi, Jordi"Més informació

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    • 3Cat-3/MOTS nanosatellite mission for optical multispectral and GNSS-R Earth Observation: concept and analysis 

      Castellví Esturi, Jordi; Camps Carmona, Adriano José; Corbera Fauria, Jordi; Alamús, Ramón (Multidisciplinary Digital Publishing Institute (MDPI), 2018-01-06)
      Article
      Accés obert
      The 3Cat-3/MOTS (3: Cube, Cat: Catalunya, 3: 3rd CubeSat mission/Missió Observació Terra Satèl·lit) mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica ...

    • 3CAT-3/MOTS, an experimental nanosatellite for multispectra and GNSS-R Earth Observation: Mission concept and analysis 

      Castellví Esturi, Jordi; Camps Carmona, Adriano José; Corbera Fauria, Jordi; Alamús, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The 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 ...

    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The 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 ...

    • Determination of sea correlation time at L-Band with airborne reflected new GNSS signals 

      Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Castellví Esturi, Jordi; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The maximum coherent integration time of GNSS reflected (GNSS-R) signals over sea depends on the sea state, as well as on the geometry formed by the receiver, the GNSS satellite and the reflection point. In this paper, ...

    • Feasibility Study of a Multispectral Remote Sensing Mission based on a 6U CubeSat Standard 

      Castellví Esturi, Jordi (Universitat Politècnica de Catalunya, 2014-10-27)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat

    • Generic performance simulator of spaceborne GNSS-Reflectometer for land applications 

      Hyuk, Park; Camps Carmona, Adriano José; Castellví Esturi, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-01)
      Article
      Accés obert
      Nowadays, the space missions employing the global navigation satellite system reflectometry (GNSS-R) are UK TDS-1, NASA CYGNSS, and the Chinese BuFeng-1A/B twin satellites, part of the first Chinese global navigation ...

    • High resolution soil moisture retrieval using optical and GNSS-R airborne data 

      Castellví Esturi, Jordi; Camps Carmona, Adriano José; Corbera, Jordi; Alamús, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Soil moisture is a key indicator for the management of a resource as precious and scarce as water. Sectors such as agriculture, environmental monitoring, and territory management, need to know the soil hydrological stress ...

    • Preliminary altimetry results of the Malygnss instrument in the Humit project 

      Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Querol Borràs, Jorge; Castellví Esturi, Jordi; Corbera Fauria, Jordi; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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      Accés restringit per política de l'editorial
      In order to provide high resolution soil moisture maps, the Institut Cartografic i Geológic de Catalunya (ICGC) in colab-oration with Universitat Politecnica de Catalunya are planing to deploy the 3 Cat-3 picosatellite, ...

    • RFI analysis and mitigation in airborne GNSS-R campaign 

      Querol Borràs, Jorge; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Castellví Esturi, Jordi; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Radio-Frequency Interference (RFI) is one of the most concerning topics in Global Navigation Satellite Systems (GNSS) and GNSS - Reflectometry (GNSS-R) because any undesired signal present at the antenna can corrupt the ...

    • Sensitivity to Soil Moisture and Observation Geometry of Spaceborne GNSS-R Delay-Doppler Maps 

      Hyuk, Park; Camps Carmona, Adriano José; Castellví Esturi, Jordi; Vall-Llossera Ferran, Mercedes Magdalena; Portal González, Gerard; Spatafora, Luciana Rossato (2019)
      Comunicació de congrés
      Accés obert
      Thanks to the successful operations of the UK TDS-1 and NASA CYGNSS GNSS-R missions, a wealth of Delay-Doppler Maps (DDM) are being measured from the ocean, but also from land reflections. Using the land reflected DDM, ...

    • Single-pass soil moisture retrievals using GNSS-R: lessons learned 

      Camps Carmona, Adriano José; Hyuk, Park; Castellví Esturi, Jordi; Corbera, Jordi; Ascaso, Emili (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-01)
      Article
      Accés obert
      In this paper, an algorithm to retrieve surface soil moisture from GNSS-R (Global Navigaton Satellite System Reflectometry) observations is presented. Surface roughness and vegetation effects are found to be the most ...