Browsing by Author "ff25e7d8-7946-4b88-8ea8-aa9fa2a53e1b"

Now showing items 1-15 of 15

    • (3)CAT-2: attitude determination and control system for a GNSS-R earth observation 6U CubeSat mission 

      Cortiella, Alexandre; Vidal Mateu, David; Jané Abad, Jaume; Juan, Enric; Olivé, Roger; Amézaga Sarries, Adrià; Francesc Muñoz, Joan; Carreño Luengo, Hugo; Camps Carmona, Adriano José (2016)
      Article
      Open Access
      This work describes the attitude determination and control system ( ADCS) of 3 CAT-2, a six-unit CubeSat scheduled for launch this 2016. The ADCS of 3CAT-2 aims at controlling the satellite in orbit and fulfilling the ...

    • 3Cat-1 project: a multi-payload CubeSat for scientific experiments and technology demonstrators 

      Jové Casulleras, Roger; Araguz López, Carles; Via Ortega, Pol; Solanellas Bofarull, Arnau; Amézaga Sarries, Adrià; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Marí Barceló, Marc; Olivé Muñiz, Roger; Sáez Hernández, Alberto; Jané Abad, Jaume; Bou Balust, Elisenda; Iannazzo Soteras, Mario Enrique; Gorreta Mariné, Sergio; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Domínguez Pumar, Manuel; Alarcón Cot, Eduardo José; Ramos Castro, Juan José; Camps Carmona, Adriano José (2017)
      Article
      Open Access
      This article introduces 3 Cat-1, the first project of the Technical University of Catalonia to build and launch a nano-satellite. Its main scope is to develop, construct, assemble, test and launch into a low Earth orbit a ...

    • 3Cat-1: a multi-payload Cubesat-based scientific and technology demonstrator 

      Jové Casulleras, Roger; Camps Carmona, Adriano José; Ramos Castro, Juan José; Alarcón Cot, Eduardo José; Bou Balust, Elisenda; Carreño Luengo, Hugo; Amézaga Sarries, Adrià; Olivé Muñiz, Roger; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Araguz López, Carles; Marí Barceló, Marc; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Gorreta Mariné, Sergio; Domínguez Pumar, Manuel; Iannazzo Soteras, Mario Enrique (European Spatial Agengy (ESA), 2014)
      Conference lecture
      Open Access

    • 3CAT-2, an experimental nano-satellite for GNSS-R earth observation: mission concept and analysis 

      Carreno-Luengo, Hugo; Camps Carmona, Adriano José; Muñoz, Joan Francesc; Vidal, David; Amézaga Sarries, Adrià; Bolet Alberto, Font; Jané, Jaume; Olivé, Roger; Carola, Jorge; Catarino, Nuno; Hagenfeldt, Miguel; Palomo, Pedro; Cornara, Stefania (2016-10-01)
      Article
      Open Access
      Global navigation satellite system reflectometry is a multistatic radar using navigation signals as signals of opportunity. It provides wide-swath and improved spatiotemporal sampling over current space-borne missions. The ...

    • 3CAT-2: a 6U CibeSat-based multi-constellation, dual-polarization, and dual-frequency GNSS-RO experimental mission 

      Carreño Luengo, Hugo; Amézaga Sarries, Adrià; Bolet, Albert; Vidal Mateu, David; Jané, Jaume; Muñoz Martin, Joan Francesc; Olivé Muñiz, Roger; Camps Carmona, Adriano José; Carola, Jorge; Catarino, Nuno; Hagenfeldt, Miguel; Palomo, Pedro; Cornara, Stefania (2015)
      Conference report
      Restricted access - publisher's policy
      Cat-2 Assembly, Integration and Verification (AIV) activities of the Engineering Model (EM) and the Flight Model (FM) are being carried out at present. The Attitude Determination and Control System (ADCS) and Flight ...

    • A multi-frequency FMCW GBSAR: system description and first results 

      Amézaga Sarries, Adrià; López Martínez, Carlos; Jové Casulleras, Roger (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      This paper provides a high level overview of a multi-frequency Ground-Based Synthetic Aperture Radar operating at X-, C-, L- and P-bands. The system core is implemented using a flexible high performance Software Defined ...

    • A multi-frequency SDR-based GBSAR: System overview and first results 

      Amézaga Sarries, Adrià; López Martínez, Carlos; Jové Casulleras, Roger (Multidisciplinary Digital Publishing Institute (MDPI), 2021-04-21)
      Article
      Open Access
      This work describes a system-level overview of a multi-frequency GBSAR built around a high performance software defined radio (SDR). The main goal of the instrument is to be employed as a demonstrator and experimental ...

    • ³CAT-2: attitude determination and control system for a GNSS-R earth observation 6U CubeSat mission 

      Cortiella, Alexandre; Vidal, David; Jané, Jaume; Juan, Enric; Olivé, Roger; Amézaga Sarries, Adrià; Muñoz, Joan Francesc; Via, Pol; Carreno-Luengo, Hugo; Camps Carmona, Adriano José (2016-09-01)
      Article
      Open Access
      This work describes the attitude determination and control system (ADCS) of ³CAT-2, a six-unit CubeSat scheduled for launch this 2016. The ADCS of 3CAT-2 aims at controlling the satellite in orbit and fulfilling the pointing ...

    • Design and implementation of an SDR-based multi-frequency ground-based SAR system 

      Amézaga Sarries, Adrià (Universitat Politècnica de Catalunya, 2020-11-25)
      Doctoral thesis
      Open Access
      Synthetic Aperture Radar (SAR) has proven a valuable tool in the monitoring of the Earth, either at a global or local scales. SAR is a coherent radar system able to image extended areas with high resolution, and finds ...

    • Design of a reflected power canceller for single-antenna FMC radars 

      Amézaga Sarries, Adrià (Universitat Politècnica de Catalunya / University of Massachusetts at Amherst. Microwave Sensing Laboratory, 2013-12-10)
      Bachelor thesis
      Open Access
      Covenantee:   University of Massachusetts at Amherst
      [ANGLÈS] Frequency Modulated Continuous Wave radars suffer from an undesirable effect called transmitter leakage. The power leak between transmitter and receiver due to the lack isolation impairs reception performance. The ...

    • First polarimetric GNSS-R measurements from a stratospheric flight over boreal forests 

      Carreño Luengo, Hugo; Amézaga Sarries, Adrià; Vidal Mateu, David; Olivé Muñiz, Roger; Muñoz Martin, Joan Francesc; Camps Carmona, Adriano José (2015-01-01)
      Article
      Open Access
      The first-ever dual-frequency multi-constellation Global Navigation Satellite Systems Reflectometry (GNSS-R) polarimetric measurements over boreal forests and lakes from the stratosphere are presented. Data were collected ...

    • Implementation of a GNSS-R payload based on software defined radio for the 3CAT-2 mission 

      Olivé Muñiz, Roger; Amézaga Sarries, Adrià; Carreno-Luengo, Hugo; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016-10-01)
      Article
      Open Access
      The 3CAT-2 nanosatellite aims at demonstrating global navigation satellite system reflectometry (GNSS-R) techniques for spaceborne applications in the small form of a six-unit CubeSat. There are many challenges involved ...

    • Multi-constellation, dual-polarization, and dual-frequency GNSS-R stratospheric balloon experiment over boreal forests 

      Carreño Luengo, Hugo; Amézaga Sarries, Adrià; Bolet, Albert; Vidal Mateu, David; Jané, Jaume; Muñoz Martin, Joan Francesc; Olivé Muñiz, Roger; Camps Carmona, Adriano José (2015)
      Conference report
      Restricted access - publisher's policy
      Scientific evaluation of the 3Cat-2 payload (PYCARO reflectometer) has been performed from the BEXUS 19 stratospheric balloon flight with an apogee of ~ 27,000 m over boreal forests and lakes. The payload was configured ...

    • Temperature gradient sensor from pulsed power supply duty cycle in ultra-low-power energy harvesting system 

      Jové Casulleras, Roger; Ramos Castro, Juan José; Corimanya, H; Camps Carmona, Adriano José; Alarcón Cot, Eduardo José; Amézaga Sarries, Adrià; Bou Balust, Elisenda (Institution of Electrical Engineers, 2014-05-22)
      Article
      Restricted access - publisher's policy
      Directly interfacing sensors that link sensors to micro-controllers without a signal conditioning circuit or an analogue-to-digital converter on the one side and energy harvesting systems on the other side are two key ...

    • The 3Cat-2 Project: GNSS-R In-Orbit Demonstrator for Earth Observation 

      Carreño Luengo, Hugo; Camps Carmona, Adriano José; Jové Casulleras, Roger; Alonso Arroyo, Alberto; Olivé Muñiz, Roger; Amézaga Sarries, Adrià; Vidal Mateu, David; Muñoz Martin, Joan Francesc (European Spatial Agengy (ESA), 2014)
      Conference report
      Restricted access - publisher's policy
      Universitat Politècnica de Catalunya (UPC) – BarcelonaTech Remote Sensing Laboratory focus on the development of breakthrough concepts. The 3Cat-2 mission is on the synergy of GNSS reflectometry and the CubeSat concept. ...