Now showing items 1-20 of 10066

    • Ovlivnění efektivity sběru náboje v detektorech záření laserovými pulsy. 

      Defence status: RECOGNIZED
      Betušiak, Marián (Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)
      Date of defense: 5. 1. 2023
      The main focus of this thesis is the characterization of the charge transport in CdZnTe radiation detectors and the study of the effect of the detector illumination on charge transport. The transport properties are evaluated ...
    • Elektrické a optické vlastnosti SiC monokrystalů 

      Defence status: RECOGNIZED
      Brynza, Mykola (Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)
      Date of defense: 5. 1. 2023
      Silicon carbide is a semiconductor with a wide bandgap of up to 3.2 eV and is capable of operating in extreme conditions, high temperature and high energy modes. This work focuses on the investigation of electrical and ...
    • Konvergence stochastického gradientu v úlohách strojového učení 

      Defence status: DEFENDED
      Jelínková, Marie (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 7. 9. 2022
      The aim of this thesis is solving minimization problems where the objective function is a sum of a differentiable (yet possibly non-convex) and general convex function. We focus on methods of stochastic and projected ...
    • Aktivity z částicové fyziky na střední škole 

      Defence status: DEFENDED
      Nocarová, Marta (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 16. 6. 2022
      This thesis is aimed at teaching of particle physics on secondary school level and studies literature dealing with experiments and activities which are usable in the clas- sroom. The research was focused on curricula in ...
    • Study of instabilities in tokamak plasmas using radiation diagnostics 

      Defence status: DEFENDED
      Imríšek, Martin (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 21. 3. 2022
      Title: Study of instabilities in tokamak plasmas using radiation diagnostics Author: Martin Imríšek Department: Department of Surface and Plasma Science Supervisor: Prof. RNDr. Milan Tichý, DrSc. Consultants: Mgr. Vladimír ...
    • Variants of Reed-Solomon codes over other algebraic structures 

      Defence status: DEFENDED
      Končický, Václav (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 2. 2. 2022
      Reed-Solomonovy kódy tvoří známou rodinu samoopravných kódů s mnoha dobrými vlastnostmi. Tyto kódy však pro svou funkčnost vyžadují konečné těleso, které omezuje velikost abecedy na mocniny prvočísel. V této práci jsme ...
    • Vývoj experimentálních stanovišť pro novou koncepci tématu Optika v Interaktivní fyzikální laboratoři II 

      Defence status: DEFENDED
      Ceháková, Lydia (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 16. 6. 2022
      In this thesis, a new experimental set for the Interactive Physical Laboratory (IPL), operated by the Faculty of Mathematics and Physics, Charles University, was designed. This experimental set consists of five units named: ...
    • Track reconstruction at the NA62 experiment 

      Defence status: DEFENDED
      Lelák, Michal (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 15. 6. 2022
      The NA62 experiment at CERN represents leading physics research of rare kaon de- cays. The aim of NA62 is to measure the rate of the decay K+ → π+ νν. Any significant discrepancy between the measured decay rate and the ...
    • Acoustics of interaction of unsteady flows with periodic structures 

      Defence status: RECOGNIZED
      Hruška, Viktor (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 17. 2. 2022
      Akustika interakcí vířivého proudění s periodickými strukturami Viktor Hruška ABSTRAKT Tématem této dizertace je studium vybraných případů z oblasti aeroakustiky periodických struktur. Kritická analýza použitelnosti ...
    • Volumes of unit balls of Lorentz spaces 

      Defence status: RECOGNIZED
      Doležalová, Anna (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 26. 4. 2022
      This thesis studies the volume of the unit ball of finite-dimensional Lorentz sequence spaces p,q n . Lorentz spaces are a generalisation of Lebesgue spaces with a quasinorm described by two parameters 0 < p, q ≤ ∞. The ...
    • Content-Based Image Retrieval: from Primitive to Advanced Techniques 

      Defence status: DEFENDED
      Kostelecká, Adéla (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 9. 6. 2022
      The Wienbibliothek im Rathaus, Vienna City Library, collected over 300 thousand posters scanned in high quality from the last 100 years. Browsing and searching in such a large dataset is beyond human power. Therefore, a ...
    • Regresní hloubka a podobné metody 

      Defence status: DEFENDED
      Dočekalová, Denisa (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 12. 9. 2022
      While the halfspace depth has gained more and more popularity in the recent years as a robust estimator of the mean, regression depth, despite being based on a similar concept, is still a relatively unknown method. The ...
    • Properties and interpretation of black hole spacetimes 

      Defence status: DEFENDED
      Polášková, Eliška (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 31. 5. 2022
      In this thesis, we study a limit of the Kerr-(A)dS spacetime in a general dimen- sion where an arbitrary number of its rotational parameters is set equal. The resulting metric after the limit formally splits into two parts: ...
    • Neural Cell Segmentation from Fluorescent Microscopy Images of Mouse Brains 

      Defence status: DEFENDED
      Studna, Martin (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 7. 9. 2022
      Our objective is to propose a neural cell segmentation algorithm for fluorescent mi- croscopic images of mice brains. We received a dataset from the Laboratory of Neu- rochemistry, Institute of Physiology of the Czech ...
    • Motion of a large cylinder in superfluid helium 

      Defence status: DEFENDED
      Blaha, Jiří (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 15. 6. 2022
      The behaviour of flows in superfluid helium is still partly unknown. This work aims to contribute to this active field of research by studying the macroscopical vortices shed from the trailing edge of cylinder with ellipsoidal ...
    • Atom vodíku na vysokoškolské a středoškolské úrovni 

      Defence status: DEFENDED
      Legerská, Jana (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 17. 6. 2022
      This master thesis is focused on teaching the hydrogen atom on a university and high school level. The objective of this thesis is to compare ap- proaches to hydrogen atom in available university study materials. Based on ...
    • Analysis and visualization of OCR output 

      Defence status: DEFENDED
      Nová, Kateřina (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 12. 9. 2022
      Optical Character Recognition (OCR) is a process of converting text from images to a machine-readable text. We run three OCR systems (Tesseract, Ocrad and GOCR) on an original multilingual OCR dataset and perform statistical ...
    • Magnetic properties of rare-earth A2Ir207 pyrochlore iridates 

      Defence status: DEFENDED
      Vlášková, Kristina (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 12. 5. 2022
      The present thesis is focused on the synthesis, characterisation and magnetic properties of A2Ir2O7 pyrochlore iridates with A standing for Dy - Lu. The geometrically frustrated pyrochlore lattice affects the interactions ...
    • Emulátor zvukových syntezátorů 

      Defence status: DEFENDED
      Kulikov, Maximilian (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 12. 9. 2022
      A tool for creation of emulators of audio synthesizers. The base of the work is an imperative programming language Cynth that describes signals of the resulting sound. Cynth code is translated into C code for further linkage ...
    • Kovalentne previazané molekulárne siete na kovom pasivovaných povrchoch 

      Defence status: DEFENDED
      Slezák, Peter (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
      Date of defense: 14. 6. 2022
      The creation of electronic devices only from atoms or molecules could be the next step in the creation of more advanced nanotechnologies. Initial experiments have already taken place and we know that it is possible on some ...

      © 2017 Univerzita Karlova, Ústřední knihovna, Ovocný trh 560/5, 116 36 Praha 1; email: admin-repozitar [at] cuni.cz

      Za dodržení všech ustanovení autorského zákona jsou zodpovědné jednotlivé složky Univerzity Karlovy. / Each constituent part of Charles University is responsible for adherence to all provisions of the copyright law.

      Upozornění / Notice: Získané informace nemohou být použity k výdělečným účelům nebo vydávány za studijní, vědeckou nebo jinou tvůrčí činnost jiné osoby než autora. / Any retrieved information shall not be used for any commercial purposes or claimed as results of studying, scientific or any other creative activities of any person other than the author.

      DSpace software copyright © 2002-2015  DuraSpace
      Theme by 
      @mire NV