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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
101

Implementace symetrické blokové šifry AES na moderních procesorech / Implementation of symmetric bloc cipher AES in modern processors

Škoda, Martin January 2014 (has links)
The main aim of master's thesis is usage of new instructions from instruction set called Intel® Advanced Encryption Standard New Instructions (AES-NI), which is available on processors with code name Westmere and newer. In theoretical part, there are described symmetric block ciphers and their operational modes. Cipher AES is described in details, especially used block transformations, key expansion and equivalent inverse cipher. Next topic is description of instructions of AES-NI instruction set – their function is explained using pseudo codes of instructions and there are examples of their usage in code. Further in work, dynamic-link library is created, which implements cipher AES with key sizes 128, 192 and 256 bites and implements operational modes described in theoretical part. Library functions are called from Matlab by scripts and their functionality is proved by checking test vectors values, which are provided in publications of National Institute of Standards and Technology.
102

Virtualizace I/O operací v oblasti počítačových sítí / I/O Virtualization in Networking

Perešíni, Martin January 2020 (has links)
Existuje veľa rôznych dôvodov pre spoločnosti a organizácie, prečo by mali investovať do virtualizácie. Asi najväčší dôvod je finančná motivácia, pretože nasadenie virtualizácie môže ušetriť nemálo peňazí. Táto práca sa zaoberá práve problémom virtualizácie I/O operácií v sieťovom prostredí. Cieľom práce je tvorba softvérových ovládačov pre I/O virtualizáciu, ktoré by mohli pracovať s hardvérovo akcelerovanými sieťovými kartami. Hlavným prínosom ovládačov by mala byť použiteľnosť a čo najmenšia strata prenosového výkonu vo virtualizovanom prostredí. Pred popisom finálnych detailov ovládačov je však potrebné uviesť potrebné teoretické základy. Teoretická časť sa zaoberá súčasnými trendami vo virtualizácii I/O, technológiami ako sú virtio, vhost, SR-IOV, VFIO a mdev. V praktickej časti sú navrhuté dva spôsoby riešenia problému. Prvým je použitie technológie virtio (emulácia softvéru). Druhé je založené na technológii VFIO-mdev (hybridná paravirtualizácia). Pokiaľ sa jedná o výkon a konfigurovateľnosť zariadení, oba prístupy majú rôzne benefity. Tieto riešenia majú aj svoje nevýhody, ako je zložitosť riešenia a náročnosť integrácie do systému. Požadované ciele boli úspešne dosiahnuté vo forme prototypu ovládača nfb_mdev.
103

Ray-tracing s knihovnou IPP / Ray-tracing Using IPP Library

Kukla, Michal January 2010 (has links)
Master thesis is dealing with design and implementation of ray-tracing and path-tracing using IPP library. Theoretical part discusses current trends in acceleration of selected algorithms and also possibilities of parallelization. Design of ray-tracing and path-tracing algorithm and form of parallelization are described in proposal. This part also discusses implementation of adaptive sampling and importance sampling with Monte Carlo method to accelerate path-tracing algorithm. Next part is dealing with particular steps in implementation of selected rendering methods regarding IPP library. Implementation of network interface using Boost library is also discussed. At the end, implemented methods are subjected to performance and quality test. Final product of this thesis is server aplication capable of handling multiple connections which provides visualisation and client application which implements ray-tracing and path-tracing.
104

An Intelligent UAV Platform For Multi-Agent Systems

Taashi Kapoor (12437445) 21 April 2022 (has links)
<p> This thesis presents work and simulations containing the use of Artificial Intelligence for real-time perception and real-time anomaly detection using the computer and sensors onboard an Unmanned Aerial Vehicle. One goal of this research is to develop a highly accurate, high-performance computer vision system that can then be used as a framework for object detection, obstacle avoidance, motion estimation, 3D reconstruction, and vision-based GPS denied path planning. The method developed and presented in this paper integrates software and hardware techniques to reach optimal performance for real-time operations. </p> <p>This thesis also presents a solution to real-time anomaly detection using neural networks to further the safety and reliability of operations for the UAV. Real-time telemetry data from different sensors are used to predict failures before they occur. Both these systems together form the framework behind the Intelligent UAV platform, which can be rapidly adopted for different varieties of use cases because of its modular nature and on-board suite of sensors. </p>
105

Разработка методики интенсивного формирования коммуникативной компетенции на уроках РКИ : магистерская диссертация / Development of the method of intensive formation communicative competence at russian as foreigner classes

Аксенова, Л. О., Aksyonova, L. O. January 2022 (has links)
Данная выпускная квалификационная работа посвящена разработке методики интенсивного формирования коммуникативной компетенции на уроках РКИ. В работе рассматриваются современные интенсивные методики изучения иностранных языков, выделяются основные, которые стали базой для построения курсов для обучения РКИ. Также сделан акцент на сложностях, с которыми сталкиваются иностранные студенты при изучении русского языка. Проанализирована возможность применения интенсивного курса по отношению к русскому языку. Во второй главе дана теоретическая основа и организация опытно-поисковой работы по формированию коммуникативной компетенции на уроках РКИ. Представлены уроки из разработанной методики и подведены итоги, проанализированы результаты. / This final qualification work is devoted to the development of a methodology for the intensive formation of communicative competence in the lessons of Russian as a foreign language. The paper discusses modern intensive methods of learning foreign languages, highlights the main ones that have become the basis for building courses for teaching Russian as a foreign language. The emphasis is also placed on the difficulties that foreign students face when studying the Russian language. The possibility of applying an intensive course in relation to the Russian language is analyzed. The second chapter gives the theoretical basis and organization of experimental and search work on the formation of communicative competence in the lessons of Russian as a foreign language. The lessons from the developed methodology are presented and the results are summed up, the results are analyzed.
106

Generació additiva de funcions d'agregació conjuntives i disjuntives discretes

Monreal Garcies, Jaume 14 September 2012 (has links)
En aquest treball es defineix el concepte de generador additiu de t–normes i de t–conormes discretes. S’hi estableixen resultats generals sobre la generació additiva de disjuncions i les caracteritzacions dels generadors de les t–conormes bàsiques. Es planteja un algorisme per a decidir quan una disjunció és additivament generable, basat en l’algorisme Gamma de la teoria de convexitat. S’estudia la relació que hi ha entre la generació additiva amb la suma ordinal i amb l’anidament. S’introdueixen els conceptes de generador concau i generador convex. S’estudia la generació additiva de les disjuncions i les t–conormes suaus i bivalents sobre L*. S’insisteix amb l’aplicabilitat de la generació additiva quan es tracta de manejar la condició de T–transitivitat per a relacions d’indistingibilitat discretes. Finalment, s’estudia la relació que hi ha entre la generació additiva d’una t–conorma S i les propietats de l’S–implicació corresponent. Amb motiu de les propietats d’ordre i modus ponens generalitzat, es defineixen els generadors mixtos

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