Dissertations / Theses on the topic 'Space-track'
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Ballantyne, Jarom J. "Using space borne microwave sensors to track large Antarctic icebergs /." Diss., CLICK HERE for online access, 2002. http://contentdm.lib.byu.edu/ETD/image/etd1.pdf.
Full textBallantyne, Jarom James. "Using Space Borne Microwave Sensors to Track Large Antarctic Icebergs." BYU ScholarsArchive, 2003. https://scholarsarchive.byu.edu/etd/66.
Full textFokin, Maria Alexandra. "Space-Time Analysis of Magmatism: Evidence for a Early Cryogenian Plume Track in Eastern Laurentia." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/35187.
Full textMaster of Science
Schmidt, Marten Ole [Verfasser], and Klaus [Akademischer Betreuer] Reygers. "Space Point Calibration of the ALICE TPC with Track Residuals / Marten Ole Schmidt ; Betreuer: Klaus Reygers." Heidelberg : Universitätsbibliothek Heidelberg, 2020. http://d-nb.info/1216446067/34.
Full textShanahan, Mark. "Eisenhower's parallel track : reassessing President Eisenhower's activism through an analysis of the development of the first US space policy." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/10737.
Full textGarcia, Mariana Fernandes. "Densificação vs. retração: que futuro para os Olivais? : o percurso como elemento de articulação." Master's thesis, Universidade de Lisboa. Faculdade de Arquitetura, 2014. http://hdl.handle.net/10400.5/7921.
Full textBilous, D. V. "The importance of developing the bicycle infrastructure." Thesis, Київський національний університет технологій та дизайну, 2019. https://er.knutd.edu.ua/handle/123456789/14392.
Full textWarsop, Thomas E. "Three-dimensional scene recovery for measuring sighting distances of rail track assets from monocular forward facing videos." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/8994.
Full textLian, Elisabeth. "Hur används bibliotek? : En undersökning om hur det fysiska rummet används i Strängnäs folkbibliotek." Thesis, Linnéuniversitetet, Institutionen för kulturvetenskaper (KV), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-71525.
Full textOujezdský, Lukáš. "Design elektrického skútru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241720.
Full textPříhoda, Martin. "Určení prostorových vztahů jeřábové dráhy." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226357.
Full textMeyer, Steven J. "GPS Receiver Testing on the Supersonic Naval Ordnance Research Track (SNORT)." International Foundation for Telemetering, 1997. http://hdl.handle.net/10150/609808.
Full textThere is an interest in using Global Positioning System (GPS) receivers to find: Time Space Position Information (TSPI), miss distances between a missile and target, and using the data real time as an independent tracking aid for range safety. Ashtech, Inc. has several standalone GPS receivers they believe can work at high g levels. This paper investigates how the Ashtech GPS receivers work under high g loading in one axis. The telemetry system used to collect data from the receivers and the reconstruction of the data will also be discussed. The test was done at SNORT (Supersonic Naval Ordnance Research Track) located at NAWS, China Lake, CA. The g level obtained was about +23 g’s with a deceleration of -15 g’s. The velocity reached was about Mach 2.0. A summary of the errors is included.
Kunderová, Markéta. "Návrh udržitelné městské struktury - na bázi středověkého města - pro 21.století." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2021. http://www.nusl.cz/ntk/nusl-443689.
Full textSedláček, Jakub. "Nové brněnské hlavní nádraží a jeho veřejná prostranství." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-414285.
Full textCettour-Janet, Raphael. "Modelling the vibrational response and acoustic radiation of the railway tracks." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC040/document.
Full textIn a context of urban and transport network densification, people are increasingly exposed to noise. Consequently, the result of vibro-acoustic impact assessment has a pivotal role in rail network expansion. One of the main sources is the rolling noise: Roughness on the wheel and rail surface produce an imposed displacement one the both. This last, generates vibrational response of wheels and the railway track and their acoustic radiation. This PhD thesis presents some improvements of the vibro-acoustic railway track modelling.Concerning vibrational response, the infinite dimension in the longitudinal direction of the track and its deformation in the 3 dimensions, make the analytical models and finite elements non-optimal. The Semi-analytical finite element method (SAFEM), used in this thesis, is particularly well adapted in this case. Firstly, it is used to model railway track on a continuous support. Then, it is coupled with Floquet theorem to model tracks with a periodic support. However, this technique suffers from numerical problems that imposed an adapted algorithm. The second-order Arnoldi method (SOAR) is used to tackle them. This reduction allows to eliminate critical values improving the robustness of the method. Comparison with existing techniques and experimental results validate this model.Concerning acoustic radiation, big domains simulations at high frequency are almost unfeasible when using conventional techniques (FEM, BEM,…). The method used in this thesis, the Variational theory of complex ray (VTCR) is particularly well adapted to these cases. The principal features of VTCR approach are the use of a weak formulation of the acoustic problem, which allows to consider automatically boundary conditions between sub-domains. Then, the use of an integral repartition of plane waves in all the direction allow to simulate the acoustic field. The unknowns of the problem are their amplitudes. This method well assessed for closed domain, has been extended to open domain and coupled to vibrational response of the rail. Comparison with analytic solution and FEM simulation at low frequency allow to validate the method.Coupling these both methods allowed to simulate complex real life vibro-acoustic scenarios. Result of different railway tracks are presented and validated
Einsle, Stefan. "Analyse und Modellierung des Reifenübertragungsverhaltens bei transienten und extremen Fahrmanövern." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-65158.
Full textDue to the growing influence of vehicle dynamic control systems and suspension dimensioning in stability regions, transient and extreme tyre transfer behaviour gains importance significantly. Two new measurement procedures are introduced to analyze and characterize this tyre behaviour. The results show that the commonly used estimation of the relaxation length by the quotient of cornering and lateral stiffness yields far too small values and that the first order transfer model is insufficient to describe the transient tyre lateral force behaviour. Consequently, a new second order approach is introduced and described by the new parameter relaxation damping. The performed parameter study regarding wheel load, inflation pressure, camber angle, toe angle and driving velocity covers a wide application range of tyres. Moreover, the quasi‐static cornering stiffness is measured and evaluated in an extended range with reduced temperature and wear influences. Extreme manoeuvres are utilized to examine the stability of vehicles, which is dominated by the tyre transfer behaviour under extreme conditions. A new measurement and parameter identification procedure for those conditions is portrayed, as well. This thesis depicts the entire process to obtain a tyre model dataset, namely tyre measurements, signal processing, selection of characteristic curves, methodical selection of a tyre model, automatic parameter identification and qualitative and quantitative evaluation of the final dataset. The tyre models MF‐Tyre, FTire, and TM‐Easy are analysed, parameterized and validated under transient and extreme conditions. A comparison of the results in relation to the complexity of the parameter identification and the process stability leads to global recommendations of applications for different tyre models. The quality of the created tyre model datasets in combination with a vehicle suspension is assessed by a comparison of measurements from the newly developed highly dynamical suspension test rig and equivalent multi‐body simulations. That is, transient and extreme manoeuvres are performed and analysed. Additionally, a linear single‐track model with transient tyre behaviour is been derived, that shows the dominant tyre influence on the vehicle’s yaw behaviour. Finally, the influence of the created tyre model datasets and the additional lateral transfer behaviour on full‐vehicle simulations is verified
Vestin, Albin, and Gustav Strandberg. "Evaluation of Target Tracking Using Multiple Sensors and Non-Causal Algorithms." Thesis, Linköpings universitet, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-160020.
Full textEckmann, Michael. "Sifting for better features to track: Exploiting time and space." 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3285751.
Full textCox, Bradley. "Relative Damaging Ability Of Galactic Cosmic Rays Determined Using Monte Carlo Simulations Of Track Structure." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-10105.
Full textPini, Alex James. "Investigation of the effect of repeat orbits on GRACE gravity recovery." 2012. http://hdl.handle.net/2152/19704.
Full texttext
"Multiple Radar Target Tracking in Environments with High Noise and Clutter." Doctoral diss., 2015. http://hdl.handle.net/2286/R.I.29684.
Full textDissertation/Thesis
Doctoral Dissertation Electrical Engineering 2015
Muscolino, G., and Alessandro Palmeri. "Response of beams resting on viscoelastically damped foundation to moving oscillators." 2006. http://hdl.handle.net/10454/604.
Full textWaters, Amy. "The Art of Coaching vs. The Science of Movement: Integrating Experiential Knowledge and Scientific Evidence into Coaching Practices." Thesis, 2020. https://vuir.vu.edu.au/41810/.
Full textEinsle, Stefan. "Analyse und Modellierung des Reifenübertragungsverhaltens bei transienten und extremen Fahrmanövern: Analysis and modelling of tyre transfer behaviour for transient and extreme driving manoeuvres." Doctoral thesis, 2010. https://tud.qucosa.de/id/qucosa%3A25510.
Full textDue to the growing influence of vehicle dynamic control systems and suspension dimensioning in stability regions, transient and extreme tyre transfer behaviour gains importance significantly. Two new measurement procedures are introduced to analyze and characterize this tyre behaviour. The results show that the commonly used estimation of the relaxation length by the quotient of cornering and lateral stiffness yields far too small values and that the first order transfer model is insufficient to describe the transient tyre lateral force behaviour. Consequently, a new second order approach is introduced and described by the new parameter relaxation damping. The performed parameter study regarding wheel load, inflation pressure, camber angle, toe angle and driving velocity covers a wide application range of tyres. Moreover, the quasi‐static cornering stiffness is measured and evaluated in an extended range with reduced temperature and wear influences. Extreme manoeuvres are utilized to examine the stability of vehicles, which is dominated by the tyre transfer behaviour under extreme conditions. A new measurement and parameter identification procedure for those conditions is portrayed, as well. This thesis depicts the entire process to obtain a tyre model dataset, namely tyre measurements, signal processing, selection of characteristic curves, methodical selection of a tyre model, automatic parameter identification and qualitative and quantitative evaluation of the final dataset. The tyre models MF‐Tyre, FTire, and TM‐Easy are analysed, parameterized and validated under transient and extreme conditions. A comparison of the results in relation to the complexity of the parameter identification and the process stability leads to global recommendations of applications for different tyre models. The quality of the created tyre model datasets in combination with a vehicle suspension is assessed by a comparison of measurements from the newly developed highly dynamical suspension test rig and equivalent multi‐body simulations. That is, transient and extreme manoeuvres are performed and analysed. Additionally, a linear single‐track model with transient tyre behaviour is been derived, that shows the dominant tyre influence on the vehicle’s yaw behaviour. Finally, the influence of the created tyre model datasets and the additional lateral transfer behaviour on full‐vehicle simulations is verified.:1 Einleitung 1.1 Stand der Forschung 1.2 Motivation und Ziele dieser Arbeit 1.3 Aufbau der Arbeit 2 Theoretische Grundlagen 2.1 Reifenkoordinatensysteme 2.2 Reifenprüfstände 2.3 Der Reifen unter Schräglauf 2.4 Grundlagen der Fahrdynamik und Einspurmodell 2.5 Eigenschaften elementarer Übertragungsglieder 2.6 Optimierungsverfahren 2.7 Sensitivitätsanalysen zur Systembetrachtung 2.8 Einbindung von Zwangsbedingungen in Mehrkörpersysteme 3 Transientes Reifenseitenkraftverhalten 3.1 Reifenverhalten nach SCHLIPPE\\DIETRICH 3.2 Reifenverhalten nach BÖHM 3.3 Reifenverhalten nach PACEJKA 3.4 Reifenverhalten nach RILL 3.5 Gegenüberstellung des transienten Reifenseitenkraftverhaltens 4 Reifenmodellierung 4.1 Einteilung der Reifenmodelle 4.2 Magic Formula Tyre: MF‐Tyre 4.3 Flexible Ring Tire Model: FTire 4.4 Tyre Model Easy: TM‐Easy 4.5 Handlungsempfehlungen für die Auswahl von Reifenmodellen 5 Messungen am Reifenprüfstand 5.1 Signalverarbeitung von Reifenmessdaten 5.2 Neue Reifenmessprozeduren 5.3 Statische Reifensteifigkeiten 5.4 Reifenverhalten beim Lenken im Stand 5.5 Schräglaufsteifigkeit 5.6 Übertragbare Seitenkraft – Reibbeiwert 5.7 Transientes Seitenkraftverhalten 5.8 Ergebnisse der Messungen am Reifenprüfstand 6 Parameteridentifikation von Reifenmodellen 6.1 Der virtuelle Reifenprüfstand (vRPS) 6.2 Abbildungsgüte kommerziell parametrisierter Reifendatensätze 6.3 Automatischer Gütereport von Reifenmodelldatensätzen 6.4 Parameteridentifikation von MF‐Tyre Datensätzen 6.5 Parameteridentifikation von FTire Datensätzen 6.6 Parameteridentifikation von TM‐Easy Datensätzen 6.7 Extrapolationsfähigkeit der Reifenmodelle 6.8 Übertragbarkeit der Reifenmodelldatensätze auf reale Straßen 6.9 Neue Ansätze zur Parametrisierung von Reifenmodellen 7 Eine neue transiente Zusatzkomponente 7.1 Vergleich verschiedener Übertragungsglieder im Frequenzbereich 7.2 Einbindung in MKS‐Modelle 7.3 Übertragungsmodul als nichtholonome Zwangsbedingung 7.4 Einbindung einer transienten Zusatzseitenkraft 7.5 Schlussfolgerungen zu Zusatzübertragungskomponenten 8 Reifenverhalten am neuen hochdynamischen Achsprüfstand 8.1 Der Aufbau des neuen Achsprüfstandes am IAD 8.2 Das MKS‐Modell des virtuellen Achsprüfstands 8.3 Vergleich der Spurstangenkräfte beim Lenken im Stand 8.4 Einfluss des transienten Reifenverhaltens am Achsprüfstand 8.5 Sinuslenken am Achsprüfstand 8.6 Extremmanöver am Beispiel Fishhook 8.7 Schlussfolgerungen aus den Achsprüfstandsuntersuchungen 9 Gesamtfahrzeugsimulation 9.1 Einspurmodell mit transientem Reifenverhalten 9.2 Mehrkörperfahrzeugmodell mit transientem Reifenverhalten 9.3 Fahrmanöver mit optimierten Reifenmodelldatensätzen 9.4 Beschreibung von Reifenkennwerten mit statistischen Methoden 9.5 Schlussfolgerungen aus der Gesamtfahrzeugsimulationen 10 Zusammenfassung und Ausblick