Latest Space News
Tue, 17 Jul 2018 00:28:34 +0000
Maxar Technologies on July 16 purchased Neptec, a Canadian company with robotic expertise deemed useful for in-space activities like satellite servicing and building space stations. SpaceNews.com
Mon, 16 Jul 2018 19:27:06 +0000
A solid rocket booster designed for both the Ariane 6 and Vega C next-generation launchers completed a successful test firing Monday, clearing a hurdle for the maiden flights of both vehicles. SpaceNews.com
Mon, 16 Jul 2018 17:58:13 +0000
Ken Gabriel, CEO of Draper Labs: The idea of small satellites making up large constellations is a “powerful shift." SpaceNews.com
Mon, 16 Jul 2018 16:54:04 +0000
Virgin Orbit says an agreement that could lead to LauncherOne missions from an English airport is part of an effort to both better meet the needs of its customers as well as support the U.K. space industry. SpaceNews.com
Mon, 16 Jul 2018 13:03:49 +0000
With the announcement that Scotland will be home to Britain's first spaceport, the U.K. is on the road to offering a one-stop-shop for building, operating and now launching satellites. SpaceNews.com
Mon, 16 Jul 2018 09:14:34 +0000
The British government announced July 16 that it will provide funding to two companies, including an American aerospace giant, who plan to use a newly announced launch site in Scotland. SpaceNews.com
Sun, 15 Jul 2018 21:58:30 +0000
After years of study and consideration, the British government announced July 15 that it will start development of a new spaceport in northern Scotland, while an English airport signed a deal that could also lead to launches from its facility. SpaceNews.com
Sun, 15 Jul 2018 19:39:31 +0000
The space market worldwide has averaged $269 billion over the past five years, growing more than 5 percent each year. SpaceNews.com
Sun, 15 Jul 2018 08:03:46 +0000
The military wants to apply quantum computing to secure communications and inertial navigation in GPS denied environments. SpaceNews.com
Fri, 13 Jul 2018 20:43:08 +0000
On his first foreign trip since taking office nearly three months ago, NASA Administrator Jim Bridenstine traveled to Israel this week to meet with the country’s prime minister and other officials. SpaceNews.com
Fri, 13 Jul 2018 19:21:26 +0000
Gogo, an inflight connectivity provider leasing capacity on dozens of satellites, bulldozed its old business plan July 13 amid looming concerns over unprofitability, encroaching debt deadlines, and a potential buyout. SpaceNews.com
Thu, 12 Jul 2018 21:57:26 +0000
The White House nominated a veteran Senate aide with little space experience to be NASA’s deputy administrator July 12, a month after the agency’s administrator said he wanted someone with technical expertise for the job. SpaceNews.com
Thu, 12 Jul 2018 19:00:17 +0000
Blue Origin will begin flying two customers on the same New Glenn rocket after the launch vehicle has performed five missions with solo customers, according to Ted McFarland, Blue Origin’s commercial director of Asia-Pacific business. SpaceNews.com
Thu, 12 Jul 2018 18:42:28 +0000
“We are going to need a bigger boat,” FCC Chairman Ajit Pai said July 12, quoting the 1975 movie Jaws as a metaphor for the challenge of handling 5G needs. “Or in our case, more spectrum.” SpaceNews.com
Wed, 11 Jul 2018 22:15:26 +0000
China’s state-owned fleet operator is making forward-leaning investments in high-throughput satellites and low-Earth-orbit constellations without worrying, at least initially, about whether these projects are backed by sound business plans. SpaceNews.com
Wed, 11 Jul 2018 20:54:55 +0000
Amid growing concerns about commercial crew delays, a GAO report recommended NASA share more schedule information with Congress and develop contingency plans to maintain access to the International Space Station. SpaceNews.com
Wed, 11 Jul 2018 20:27:30 +0000
Using free data from the European Space Agency, a startup in Finland created a geospatial information service that is entirely enabled by artificial intelligence. SpaceNews.com
Wed, 11 Jul 2018 17:42:16 +0000
U.S. aerospace and defense in 2017 posted a positive trade balance. But there are concerns that escalating trade wars could hurt future growth. SpaceNews.com
Wed, 11 Jul 2018 14:00:10 +0000
A Silicon Valley startup developing electric propulsion systems for satellites has raised $10 million and added the billionaire founder of LinkedIn to its board. SpaceNews.com
Wed, 11 Jul 2018 13:46:27 +0000
Intelsat-901, a 17-year-old communications satellite running low on propellant, is awaiting a first-of-its-kind service call from a robotic spacecraft carrying a fresh tank of fuel. 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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