Latest Space News
Mon, 20 May 2019 04:18:45 +0000
In order to meet the goal of landing humans on the moon in 2024, NASA needs to get one element of its proposed lunar Gateway on contract in the near future so it will be ready in time. SpaceNews.com
Sun, 19 May 2019 21:42:23 +0000
The HAC notes that the decision to not back the $72 million request should not be read as a complete rejection of the idea of establishing a Space Force. SpaceNews.com
Sat, 18 May 2019 20:38:45 +0000
Thornberry is proposing legislation that would make it easier for startups like Capella Space to continue to get private funding and compete for DoD small business awards. SpaceNews.com
Fri, 17 May 2019 21:10:32 +0000
A House appropriations subcommittee approved a spending bill May 17 that provides NASA with more than $22.3 billion but largely ignores an administration request for an additional $1.6 billion to support plans for a 2024 human return to the moon. SpaceNews.com
Fri, 17 May 2019 11:17:01 +0000
NASA announced May 16 it has selected 11 companies to begin studies and initial prototype development of portions of lunar landers the agency hopes can help it meet its 2024 human landing goal. SpaceNews.com
Thu, 16 May 2019 20:34:56 +0000
Under the proposed system, space officers would only compete against space officers for promotions. SpaceNews.com
Thu, 16 May 2019 19:48:28 +0000
The House Appropriations Committee released a spending bill May 16 that adds more than $1 billion to NASA’s original request but offers little in the way of additional funding for exploration priorities included in the agency’s recent budget amendment. SpaceNews.com
Thu, 16 May 2019 13:14:20 +0000
Chinese private launch firm LandSpace has completed assembly of a liquid methane-liquid oxygen rocket engine for its new Zhuque-2 launch vehicle. SpaceNews.com
Thu, 16 May 2019 08:57:32 +0000
While most of the debate about establishing a Space Force within the Defense Department has centered on its national security implications, a recent Senate hearing examined how it could bolster growing commercial activity in space. SpaceNews.com
Thu, 16 May 2019 03:13:56 +0000
SpaceX shared details about its largely secretive Starlink constellation program March 15, providing updated targets for commercial service, details about satellite design and the thought process behind why the company’s upper target is 12,000 satellites. SpaceNews.com
Wed, 15 May 2019 21:35:20 +0000
The European Space Agency gave contracts to ArianeGroup and MT Aerospace on May 14 to develop a prototype upper stage that could lead to an advanced carbon-composite upgrade for the Ariane 6 rocket. SpaceNews.com
Wed, 15 May 2019 21:01:18 +0000
Fifty years after man’s first steps on the moon, the future of human exploration in the final frontier is at a critical turning point, ULA CEO Tory Bruno writes. SpaceNews.com
Wed, 15 May 2019 17:45:44 +0000
Singtel reported its lowest profit in 16 years, citing increasing competitive pressure in India and Indonesia. SpaceNews.com
Wed, 15 May 2019 15:10:10 +0000
Engineers are continuing to work to free an instrument on NASA’s InSight Mars lander that remains stuck just below the surface. SpaceNews.com
Wed, 15 May 2019 13:00:48 +0000
Asia Pacific Satellite Inc. and Iceye, the Finnish company that launched the first synthetic aperture radar microsatellite, announced a memorandum of understanding May 15 to deliver radar imagery to government and commercial customers in South Korea. SpaceNews.com
Wed, 15 May 2019 03:14:52 +0000
Eutelsat executives said the challenges getting Konnect Africa off the ground since 2016 are now largely in the rearview, but have nonetheless pushed any material revenue from the growth initiative out to the company’s next fiscal year. SpaceNews.com
Tue, 14 May 2019 22:20:52 +0000
A day after NASA unveiled an amended budget request to support a human landing on the moon in 2024, the agency’s leader warned that if Congress provided less than the request it increased the risk of missing that deadline. SpaceNews.com
Tue, 14 May 2019 17:12:11 +0000
House appropriators would block funding for the Space Development Agency pending a report on SDA's future projects and roles. SpaceNews.com
Tue, 14 May 2019 15:58:33 +0000
The Air Force announcement that it is paying ULA $449.8 million for three Delta 4 Heavy launches is only half the story. SpaceNews.com
Tue, 14 May 2019 14:56:30 +0000
We've compiled all our Satellite 2019 coverage into to a special digital edition brought to you with support from Ball Aerospace. SpaceNews.com
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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:16-01-2014
     Last Modified:16-01-2014 (12:35)
    Job information
     Current job:Senior researcher
     Employment Term:Temp/Contract
     Job location:Anywhere
     Date available:immediately
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators
     KeywordsNumerical calculus; Parameter Estimation; Mathematical Modeling;Fortran, C, Matlab.
    CV
    SUMMARY
    I have been working in applied mathematics and physics for more than ten years. I have acquired this background through my experience in research fields such as, for example, astrophysics, signal processing and parameter estimation methods for time series. My programming experience spans algorithm development and test, and implementing numerical methods using physics principles in different programming languages as, for instance, C, C++, Fortran, Matlab and Maple.
     
    COMPUTER SKILLS
    Languages
    · C language: Since 1998 I have acquired knowledge and experience with C through some Bachelor and PhD degree subjects and research (in Physics and Engineering).
    · Fortran77: From 2000 until 2008 I have worked with Fortran 77 for numerical computation in order to solve differential equations, linear equation systems, matrix inversion problems and apply Bayesian statistics for modeling regression.
    · Bash: In order to install and use different software in different computers and clusters, I have got experience with Bash scripts.
    Software
    · Matlab: Since 2009 I also work with Matlab for modeling regression, numerical calculus, Bayesian statistics, MCMC simulations, data analysis and matrix calculus. Namely, I have developed and used algorithms for estimating parameters with Monte Carlo Markov Chain methods, linear regression
    modeling, spectral analysis of stochastic time series, matrix inversion, several matrix calculus algorithms such as, for example, Cholesky and iterative algorithms (e.g. conjugate gradient) and random number generators.
    · Others: Latex, Word, Excel, Power-Point, Maple.
    · OS: Linux (since 2000) and Windows (since 1995).
     
    EXPERIENCE
    15/11/2010-15/11/2013
    Senior Researcher, University of Luxembourg
    · I have worked on parameter estimation in stochastic time series, e.g. GPS position time series. The goal was to simultaneously estimate model and noise parameters, including the spectral index of the spectrum of the noise, which, so far, has been avoided by the geodesy and geophysics communities. With this more comprehensive parameter estimation method (using Bayesian Monte Carlo Markov Chain) uncertainties of estimated parameters are more robust and up to 40% times larger than in previous works. This research ended up with two publications in peer-reviewed journals and a thesis (PhD in Engineering).
    · I have worked as co-responsible of homework supervision of Lectures in Statistics in the Bachelor degree in Civil Engineering, and as supporting professor of Physics Laboratory in the Bachelor degree in Life Sciences.
     
    08/01/2010-08/04/2010 
     Supporting Professor, Universitat Politècnica de Catalunya
    · Responsible for the module applied in mathematics of the first course in the Bachelor degree in Economics.
     
    15/09/2000-15/09/2008
     Teaching Assistant and Researcher, Universitat Autònoma de Barcelona
    · Taught courses at various levels in: general physics, linear algebra, real analysis, computational methods for physics (C language).
    · In 2007 I defended a thesis in Physics which was recognized by the University with an Excellency Award, prize given by the University to fewer than 20% of all theses graded with the highest mark 'Cum Laude'.
    · During this period I gave some talks and presented results of my research in different international conferences and seminars.
     
    EDUCATION
    15/11/2010-21/11/2013
    Doctorate in Engineering, University of Luxembourg
    Thesis: “Analysis and parameter estimation of geophysical time series by means of Monte Carlo Markov Chains”
    The main goal was to develop a Monte Carlo Markov Chains (MCMC) method  that simultaneously estimates all parameters of GPS position time series. 
    With this more comprehensive parameter estimation MCMC method, uncertainties of estimated parameters, e.g. the velocity, are more robust and up to 40% times larger than methods that do not estimate the uncertainty of the esti mated spectral index.
    For shorter time series and time series with low levels of noise it was shown  that the white noise amplitude estimated with the MCMC method was more robust and less biased than with the Maximum Likelihood Estimation method.
    Numerical methods used included: Bayesian statistics for data analysis, Monte Carlo Markov Chain simulation, Linear Algebra, Matrix Inversion, Time Series Analysis.
    Software was developed using: Matlab, C, Shell script and OS Linux.
     
    15/09/2003-30/06/2007
    Doctorate in Physics, Universitat Autònoma de Barcelona
    Thesis: “Constraining interacting cosmological models with observational data”, recognized by the University with an Excellency Award, prize given by the University to fewer than 20% of all theses graded with the highest mark 'Cum Laude'.
    WMAP, SDSS, 2dF and Supernova Ia observational data were used, by means of Bayesian Statistics analysis and Monte Carlo Markov Chains simulations, to constrain the cosmological parameters of theoretical models.
    Numerical methods used included: Runge-Kutta method to solve differential equations, numerical integration methods (Monte Carlo, Romberg), interpolation methods (splines), Bayesian statistics for data analysis, Monte Carlo Markov  chain simulation.
    The main goal was to study the effects of dark matter-dark energy interaction on the cosmological expansion rate, Cosmic Microwave Background perturbations spectrum, Integrated Sachs Wolfe effect, and Large Scale Structure distribution.
    Software was developed using: FORTRAN 77, C, C++, Maple, Shell script, IDL and OS Linux.
     
    15/09/2009-23/07/2010
    Master Degree in Space Science and Technology, Universitat Politècnica de Catalunya
    Applicable courses covered: : Astrodynamics, Radionavigation, Analog and Digital Signal Processing, Broadening of Fundamentals in Aerospace Science and Technology, Numerical Methods for Aerospace Engineering Systems (embracing the study of general algorithms – regula Falsi, Newton-Raphson – and interpolation schemes - splines -, plus methods to solve ordinary and partial differential equations – Runge-Kutta, Finite Element Method), Space Systems Engineering, Test and Instrumentation Systems in Aerospace Applications.
    Thesis: “Selection of first principle constraints to improve the ionospheric tomography with GNSS” (in progress)
     
    15/09/1993-23/06/2000
    Bachelor and Master Degrees in Physics, Universitat Autònoma de Barcelona
    Applicable courses covered: General Physics (120 hours), Physics Laboratory (Mechanics, Electromagnetism, Thermodynamics – 300 hours) Classical Mechanics (180 hours), General Relativity (60 hours), Optics (120 hours), Quantum Optics (60 hours), Optics Laboratory (120 hours), Electronics (120 hours).
     
    LANGUAGE SKILLS
    Spanish (mother tongue)
    Catalan (mother tongue)
    English (C1)
    French (B1)
     
    PEER-REVIEWED PUBLICATIONS
    Olivares, G., Teferle, F.N. , “A Monte Carlo Markov Chain Method for Parameter Estimation of Fractional Differenced Gaussian Processes”, IEEE Transactions on Signal Processing, vol. 61, no. 9, pp. 2405-2412, (2013). Article with 4 cites.
     
    Gazeaux, J., Williams, S., Matt, K., Bos, M., Dach, R., Deo, M., Moore, A.W., Ostini, L., Petrie, E., Roggero, M., Teferle, F.N., Olivares, G., Webb, F.H., “Detecting offsets in GPS time series: First results from the detection of offsets in GPS experiment”, Journal of Geophysical Research: Solid Earth, vol. 118, pp. 111, (2013). 
     
    Olivares, G., Atrio-Barandela, F., Pavón, D., “The Integrated Sachs-Wolfe Effect in Interacting Dark Energy Models”, Phys.Rev. D77, 103520, (2008). Article with 16 cites.
     
    Olivares, G., Atrio-Barandela, F., Pavón, D., “Dynamics of Interacting Quintessence Models: Observational Constraints”, Phys.Rev. D77, 063513, (2008). Article with 39 cites.
     
    Olivares, G., Atrio-Barandela, F., Pavón, D., “Constraining dark energy interacting models with WMAP”, AIP Proceedings of the XXVIII Spanish Relativity Meeting. Pp. 550-553, (2006), ISBN 0-7354-0333-3.
     
    Olivares, G., Atrio-Barandela, F., Pavón, D., “Matter density perturbations in interacting quintessence models”, Phys.Rev. D74, 043521, (2006). Article with 63 cites.
     
    Campo, S. del, Herrera, R., Olivares, G., Pavón, D., “Interacting models of soft coincidence”, Phys.Rev. D74, 023501, (2006). Article with 36 cites.
     
    Olivares, G., Atrio-Barandela, F., Pavón, D., “Observational constraints on interacting quintessence models”, Phys. Rev. D71, 063523, (2005). Article with 89 cites.
     
    OTHER PUBLICATIONS
    Olivares, G., Teferle, F.N., “A Comparison of Monte Carlo Markov Chain and Maximum Likelihood Estimation Methods for the Statistical Analysis of Geodetic Time Series”, AGU Fall Meeting 2013, San Francisco, USA, 9-13 December 2013 (Poster).
     
    Olivares, G., Teferle, F.N., “A Bayesian Monte Carlo Markov Chain Method for the Statistical Analysis of Geodetic Time Series, IAG 2013, Potsdam, Germany, 01-06 September 2013 (Oral).
     
    Olivares, G., Teferle, F.N., “A Bayesian Monte Carlo Markov Chain Method for the Analysis of GPS Position Time Series”, EGU General Assembly 2013, Vienna, Austria, 07-12 April 2013 (Oral).
     
    Olivares, G., Atrio-Barandela, F., Pavón, D., “Interacting Quintessence Models”, Ibéricos 2008. IIIrd Iberian Cosmology Meeting, Lisboa, Portugal., 6-7 March 2008 (Oral). 
     
    Olivares, G., Atrio-Barandela, F., Pavón, D., “The Coincidence Problem in Cosmology”, XXX Spanish Relativity Meeting (E.R.E. 2007). EAS Publication Series, Volume 30, 2008. Spanish Relativity Meeting. Encuentros Relativistas Españoles ERE2007. Relativistic Astrophysics and Cosmology. Edited A. Oscoz, E. Mediavilla, M. Serra-Ricart. EDP Sciences (Les Ulis, Francia). ISBN 978-2-7598-0062-9, e-ISBN 1638-1963, Puerto de la Cruz, Tenerife, Spain, 10-14 September 2007 (Oral).
     
    Olivares, G., Atrio-Barandela, F., Pavón, D., “Observational tests for constraining Interacting Quintessence Models”, Seminar of the Dept. of Astronomy and Astrophysics, University of Pennsylvania, Philadelphia, USA, September 2006 (Oral).

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