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Baselmans, J.J.A. (author), Facchin, F. (author), Pascual Laguna, A. (author), Bueno, J. (author), Thoen, David (author), Murugesan, V. (author), Llombart, Nuria (author), de Visser, P.J. (author)Aims. Future actively cooled space-borne observatories for the far-infrared, loosely defined as a 1-10 THz band, can potentially reach a sensitivity limited only by background radiation from the Universe. This will result in an increase in observing speed of many orders of magnitude. A spectroscopic instrument on such an observatory requires...journal article 2022
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Gharari, Shervan (author), Gupta, Hoshin V. (author), Clark, Martyn P. (author), Hrachowitz, M. (author), Fenicia, Fabrizio (author), Matgen, Patrick (author), Savenije, Hubert (author)Process-based hydrological models seek to represent the dominant hydrological processes in a catchment. However, due to unavoidable incompleteness of knowledge, the construction of “fidelius” process-based models depends largely on expert judgment. We present a systematic approach that treats models as hierarchical assemblages of hypotheses ...journal article 2021
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Baselmans, J.J.A. (author), Bueno, J. (author), Yates, S.J.C. (author), Yurduseven, O. (author), Llombart, Nuria (author), Karatsu, K. (author), Baryshev, A.M. (author), Ferrarini, L (author), Endo, A. (author), Thoen, David (author), de Visser, P.J. (author), Janssen, R.M.J. (author), Murugesan, V. (author), Driessen, E.F.C. (author), Coiffard, G. (author), Martin-Pintado, J. (author), Hargrave, P. (author), Griffin, M. (author)Aims. Future astrophysics and cosmic microwave background space missions operating in the far-infrared to millimetre part of the spectrum will require very large arrays of ultra-sensitive detectors in combination with high multiplexing factors and efficient low-noise and low-power readout systems. We have developed a demonstrator system suitable...journal article 2017
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Duev, D.A. (author), Zakhvatkin, M.V. (author), Stepanyants, V.A. (author), Molera Calvés, G. (author), Pogrebenko, S.V. (author), Gurvits, L.I. (author), Cimò, G. (author), Bocanegra Bahamón, T.M. (author)Context. The accuracy of orbit determination has a strong impact on the scientific output of the Space VLBI mission RadioAstron. Aims. The aim of this work is to improve the RadioAstron orbit reconstruction by means of sophisticated dynamical modelling of its motion in combination with multi-station Doppler tracking of the RadioAstron spacecraft...journal article 2015
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Duev, D.A. (author), Molera Calvés, G. (author), Pogrebenko, S.V. (author), Gurvits, L.I. (author), Cimó, G. (author), Bocanegra Bahamon, T. (author)Aims. We present the results of several multi-station Very Long Baseline Interferometry (VLBI) experiments conducted with the ESA spacecraft Venus Express as a target. To determine the true capabilities of VLBI tracking for future planetary missions in the solar system, it is necessary to demonstrate the accuracy of the method for existing...conference paper 2012