Latest Space News
Fri, 19 Jan 2018 03:20:10 +0000
A Senate committee voted on party lines Jan. 18 to advance the nominations of individuals to lead NASA and the National Oceanic and Atmospheric Administration, although with no clear indication of when, or if, they will be confirmed by the full Senate. SpaceNews.com
Fri, 19 Jan 2018 01:19:43 +0000
Deputy Defense Secretary Patrick Shanahan will be taking on the duties of space adviser that previously resided with the secretary of the Air Force. SpaceNews.com
Thu, 18 Jan 2018 23:11:34 +0000
Griffin said it's imperative that the Pentagon focus on “rapid incorporation of technologies into new military capabilities.” SpaceNews.com
Thu, 18 Jan 2018 08:17:07 +0000
Sending data to and from different spots on Earth is big business for satellite operators, but Cloud Constellation sees a lucrative opportunity to offer satellites as the ultimate cloud storage solution for sensitive data. SpaceNews.com
Thu, 18 Jan 2018 00:54:25 +0000
There are many valid critiques of U.S. President Donald Trump’s new direction for NASA. Few, if any, would be new. But Russian government officials saw an opportunity for domestic attention and took a stab at it. SpaceNews.com
Wed, 17 Jan 2018 22:55:38 +0000
SpaceX reiterated at a congressional hearing Jan. 17 that its Falcon 9 rocket performed as expected on its most recent launch, despite swirling questions about the potential failure of the classified Zuma mission. SpaceNews.com
Wed, 17 Jan 2018 22:13:32 +0000
“What are we going to do about deterrence in space?” That is a question the administration should answer in the new strategy, said CSIS analyst Todd Harrison. SpaceNews.com
Wed, 17 Jan 2018 18:56:26 +0000
As the two companies developing commercial crew systems reiterated that they were on schedule to carry out test flights later this year, a government analysis of schedules concluded those vehicles may not be certified to carry NASA astronauts until late 2019 or early 2020. SpaceNews.com
Wed, 17 Jan 2018 16:03:18 +0000
With no budget deal in sight to avert a Friday government shutdown, a visibly frustrated Mac Thornberry, chairman of the House Armed Services Committee — and a vocal champion of bigger military budgets — called out his congressional colleagues for putting political agendas ahead of national security SpaceNews.com
Wed, 17 Jan 2018 12:12:59 +0000
Effective Space, a U.K.-headquartered company developing spacecraft to extend the life of communications satellites, announced Jan. 17 that it has signed its first contract with an undisclosed customer. SpaceNews.com
Wed, 17 Jan 2018 00:07:31 +0000
The Air Force will establish a three-star vice commander of Air Force Space Command to be located in the national capital region. SpaceNews.com
Tue, 16 Jan 2018 22:38:34 +0000
Virgin Orbit, which expects to debut the air-launched LauncherOne rocket by summer, signed a contract Jan. 16 with GomSpace to send eight nanosatellites into orbit next year to track airplanes and ships. SpaceNews.com
Tue, 16 Jan 2018 22:11:26 +0000
European launch provider Arianespace expects to conduct just 23 more Ariane 5 launches before the next-generation Ariane 6 becomes its primary rocket. SpaceNews.com
Tue, 16 Jan 2018 12:00:24 +0000
The new president of Canadian space technology company MDA says he sees opportunities for growth both within the country and beyond, while maintaining the company’s Canadian roots as part of a larger, and increasingly American, company. SpaceNews.com
Mon, 15 Jan 2018 20:44:32 +0000
The SBIRS satellites are equipped with powerful scanning and staring infrared sensors that collect data for use by the U.S. military to detect missile launches. SpaceNews.com
Mon, 15 Jan 2018 18:55:15 +0000
The plan is to shift the current ground software architecture to an open-systems platform that the Air Force would own and update with new technology as it becomes available. SpaceNews.com
Mon, 15 Jan 2018 12:00:22 +0000
The successful launch of an Indian Polar Satellite Launch Vehicle (PSLV) Jan. 11 marked not just the return to flight of the rocket but also major achievements for several of the companies with payloads on board the vehicle. SpaceNews.com
Fri, 12 Jan 2018 21:37:32 +0000
China Great Wall Industry Corp. landed a new satellite order Jan. 11 on the back of a bilateral meeting between Chinese and Cambodian officials that included an agreement to increase trade between the countries. SpaceNews.com
Fri, 12 Jan 2018 20:43:46 +0000
An independent safety panel recommended NASA not certify SpaceX’s commercial crew system until the agency better understands the behavior of pressure vessels linked to a Falcon 9 failure in 2016. SpaceNews.com
Fri, 12 Jan 2018 15:58:11 +0000
Virgin Galactic conducted its first test flight of its SpaceShipTwo suborbital vehicle in more than five months Jan. 11 as the company prepares to begin powered test flights of the vehicle. 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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