Latest Space News
Tue, 28 Jan 2020 17:55:36 +0000
The five-year contract is to develop the Future Operationally Resilient Ground Evolution, or FORGE. SpaceNews.com
Tue, 28 Jan 2020 10:59:20 +0000
NASA has selected a startup led by a former International Space Station program manager to develop a commercial module for the station. SpaceNews.com
Tue, 28 Jan 2020 01:09:40 +0000
NASA Administrator Jim Bridenstine expressed reservations Jan. 27 about a NASA authorization bill introduced in the House last week that he fears could constrain the agency’s approach to human space exploration. SpaceNews.com
Mon, 27 Jan 2020 23:11:54 +0000
As OneWeb prepares to begin monthly launches for its broadband constellation, the company and a U.S. senator are urging the FCC to act on an application filed nearly two years ago for 1,260 more satellites. SpaceNews.com
Mon, 27 Jan 2020 22:28:10 +0000
EOS Defense Systems USA, a subsidiary of Electro Optic Systems Holdings Ltd. of Australia, plans to establish a space-based communications relay network with Audacy’s spectrum license. SpaceNews.com
Mon, 27 Jan 2020 21:19:28 +0000
The U.S. military drone strikes that killed Iranian Maj. Gen. Qasem Soleimani on Jan. 3 and Iran’s retaliatory ballistic missile attack on U.S. bases in Iraq a few days later were a stark illustration of the critical role of satellites. SpaceNews.com
Mon, 27 Jan 2020 19:12:18 +0000
British aerospace company QinetiQ received a 75 million euro ($82.6 million) contract from the European Space Agency to build a small satellite for ozone measurements.  SpaceNews.com
Mon, 27 Jan 2020 12:14:13 +0000
The Japanese space agency JAXA hopes to have an agreement in place outlining its contributions to NASA’s lunar exploration efforts in the next few months. SpaceNews.com
Sat, 25 Jan 2020 11:34:34 +0000
U.S. Space Force statement: The seal “honors the Department of the Air Force’s proud history” SpaceNews.com
Sat, 25 Jan 2020 00:49:22 +0000
The battery malfunction that put DirecTV’s Spaceway-1 satellite at risk of exploding has a “very low likelihood” of occuring on other satellites, according to the satellite’s manufacturer, Boeing.  SpaceNews.com
Sat, 25 Jan 2020 00:07:38 +0000
The leadership of the House Science Committee introduced a NASA authorization bill Jan. 24 that seeks to significantly alter NASA’s current plans to return humans to the moon and make them part of an effort to send humans to Mars. SpaceNews.com
Fri, 24 Jan 2020 22:55:55 +0000
A team of U.S. military and civilian defense officials spent most of 2019 drawing up plans to create a Space Force as a new service branch within the Air Force. But it wasn’t until Congress reached a deal in December on the 2020 National Defense Authorization Act that the Space Force went from concept to reality. SpaceNews.com
Fri, 24 Jan 2020 22:55:03 +0000
Getting the Space Force right and creating the first new U.S. armed service in more than half a century will be a herculean task. Meeting that growing challenge will require, first and foremost, getting Space Force acquisition right. SpaceNews.com
Fri, 24 Jan 2020 22:19:27 +0000
NASA has selected acting directors at two of its field centers to take those positions on a permanent basis. SpaceNews.com
Fri, 24 Jan 2020 21:15:20 +0000
Vector, the launch vehicle and smallsat technology company that filed for Chapter 11 bankruptcy in December, announced Jan. 24 it is proceeding with plans to sell its satellite technology to Lockheed Martin or another bidder. SpaceNews.com
Fri, 24 Jan 2020 16:02:27 +0000
SpaceX will launch Egyptian operator NileSat’s next communications satellite on a Falcon 9 rocket in 2022, SpaceXsaid Jan. 23. SpaceNews.com
Fri, 24 Jan 2020 00:37:35 +0000
NASA will turn off an aging infrared space telescope in a week, citing the complexities of continuing to operate the spacecraft as it drifts away from the Earth. SpaceNews.com
Thu, 23 Jan 2020 22:33:01 +0000
The Space Information Sharing and Analysis Center, or Space ISAC, will launch an unclassified portal where companies can share and analyze cybersecurity information. SpaceNews.com
Thu, 23 Jan 2020 22:02:16 +0000
Hoyt said observations from the U.S. military’s Space Surveillance Network showed the Prox-1 satellite deorbiting more than 24 times faster than before deploying the tape.  SpaceNews.com
Thu, 23 Jan 2020 21:48:43 +0000
The European Commission has “pre-booked” four launches using Europe’s next-generation Ariane 6 rocket. 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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