|
|
Analysis of technique and efficiency of running using Nike Air Zoom Alphafly shoes
Veselý, Vít ; Kovářová, Lenka (advisor) ; Červinka, Pavel (referee)
Title: Analysis of running technique and efficiency when using Nike Air Zoom Alphafly shoes. Objectives: The main goal is to identify possible changes in selected physiological parameters and biomechanics of running when using Nike Air Zoom Alphafly shoes compared to standard running shoes. Methods: A 3D treadmill (H/P Cosmos Gaitway II S, Germany) was used in the analysis of running biomechanics. For the analysis of physiological parameters, the Metalyzer device was used within the spiroergometric examination of the run. The Borg scale was used to analyze the subjective assessment of the load. A paired T-test of Excel software was used to process the results. Results: The results of the work partially show a change in the biomechanics of running. A statistically significant difference was recorded at all speeds (15 km/h, 18 km/h, 21 km/h) in loading rate (p15 = 0,003; p18 = 0,000; p21 = 0,001) and time to impact peak (p15 = 0,017; p18 = 0,022; p21 = 0,003). At a speed of 15 km/h, an additional difference in running cadence (p = 0,044) was noted. The results show a statistically significant change in the economics of running all measured parameters, in oxygen intake converted to kilograms of weight (p = 0,003), minute ventilation (p = 0,000), respiratory rate (p = 0,000), respiratory coefficient (p...
|
|
|
Semi-Centralized Cryptocurrency Based on the Blockchain and Trusted Computing
Handzuš, Jakub ; Veselý, Vladimír (referee) ; Homoliak, Ivan (advisor)
The aim of this thesis is to create a concept of semi-centralized cryptocurrency that supports external interoperability. It is assumed that semi-centralized cryptocurrency is the future of cryptocurrencies in the banking sector, because even at the cost of partial centralization, the concept brings the benefits of a decentralized ledger. Since the simultaneous deployment of their own cryptocurrencies by various central authorities, such as central bank, it is necessary to establish a communication protocol for interbank transactions. The work is thus focused on extending the existing Aquareum solution with an interoperability protocol.
|
|
|
Modeling and Simulation of Spanning-Tree Protocol
Poláčeková, Simona ; Marek, Marcel (referee) ; Veselý, Vladimír (advisor)
This term project deals with the functionality of Spanning Tree protocols, especially the Rapid Spanning Tree Protocol, and the Multiple Spanning Tree Protocol. The primary usage of spanning tree protocols is the prevention of loops within the data link layer, the prevention of a broadcast storm, and also dealing with redundancy in the network. Moreover, the project contains the description of configuration of these protocols on Cisco devices. The main goal of this thesis is to implement the Multiple Spanning Tree protocol into INET framework within the OMNeT++ simulation system. Then, the implemented solution is tested and it's functionality is compared with the referential behavior in a Cisco network.
|
|
|
Security and Performance Testbed for Simulation of Proof-of-Stake Protocols
Borčík, Filip ; Veselý, Vladimír (referee) ; Homoliak, Ivan (advisor)
This work deals with performance and security testing of blockchain protocols based on the Proof-of-Stake (PoS) consensus model. It describes properties, problems, but also the use of blockchain systems. On theoretical levels, this thesis compares the properties and resistance to various attacks of numerous PoS protocols, specifically Algorand, Casper, Gasper, Snow White, Stellar and Decred. Additionally, this work implements a protocol simulator of Algorand, Casper FFG and Gasper. The simulator is built on top of the Bitcoin Simulator simulation tool, which is based on the NS-3 discrete network event simulator. Then, it compares the properties of the implemented protocols using discrete simulation.
|
|
| |
|
|
The lexical means of indefinite quantification in the current Czech
Veselý, Vojtěch ; Bozděchová, Ivana (advisor) ; Nebeská, Iva (referee)
Neurčité lexikální kvantifikátory kvantum jenom udávají (několik), jenom hodnotí (přinejmenším), nebo udávají i hodnotí (většina kvantifikátoru, např. mnoho). Kvantum pouze hodnotí kvantifikátory synsémantické (částicové), ostatní kvantifikátory jsou autosémantické. Částicové kvantifikátory hodnotí nejen kvantum vyjádřené explicitně, ale též kvantum implikované. Autosémantické kvantifikátory mohou být adjektivní, číslovkové nebo příslovcové. Hodnotící složka kvantifikace má relační povahu. Udávané/udané kvantum je velikostně porovnáno s kvantem bázovým a na základě toho hodnoceno jako velké, nebo jako malé. Některé částicové kvantifikátory hodnotí také velikost rozdílu mezi oběma kvanty. Báze kvantifikace může být vázána subj ektivně/intersubj ekti vně, nebo objektivně. Subjektivně/intersubjektivně vázáno je kvantum, které mluvčí v určité situaci pociťuje jako standardní nebo jako nejmenší (už) žádoucí, popř. jako největší (ještě) žádoucí. Objektivně vázáno je kvantum reálné nebo kvantum, které odděluje uskutečnění děje od jeho neuskutečnění. Udávané/udané kvantum může mít povahu mnohosti, rozsahu nebo intenzity. V případě kvantifikace sloves mohou být potenciálně vyjádřeny všechny tyto významy (současně). Rozlišujeme kvantifikaci primární a sekundární: sekundární je takový kvantifikátor, který kvantifikuje...
|
|
|
The role of optical function and its influence to the posture
Terčová, Simona ; Oplatková, Lenka (advisor) ; Veselý, Viktor (referee)
This bachelor thesis deals with the optical function as one of the multisensory modalities in postural control. The theoretical part concerns the anatomy, physiology and pathophysiology of the visual system and their relationship to postural functions. It also includes a further indefinite weakening of neurophysiological principles, influencing other sensory perceptions and motor manifestations with the visually impaired, who belong to group with reduced postural control. The work describes the examination methods and training options for visual perception and its impact on postural control. These applications are applied in the practical sections in the case report of visually impaired patients, in whom the influence of the individual examination unit on postural function was investigated. For the assessment were used the Rehawalk pressure platform and the clinical test of dynamic postural stability Star-Excoursion Balance Test.
|
|
|
Neuro-visual training of athletes
Hoffmannová, Barbora ; Veselý, Viktor (advisor) ; Čakrt, Ondřej (referee)
The thesis deals with the evaluation and training of cognitive-visual functions of elite athletes using the NeuroTracker computer program. The theoretical part pursues collecting of recent studies and literature, concerning predominantly visual perception and its connection with cognitive abilities and movement. It focuses mainly on sportsmen and evaluation of their visual functions. Furthemore it introduces the concept of neurovisual training and its possible application in other clinical fields. Methodology: The NeuroTracker program evaluates reaction abilities, visual memory, spatial imagination and other components of cognitive and visual functions. The output of this evaluation is a numerical value before and after training and calculated percentage improvement. This change was measured in a group of 64 athletes of various sports. The thesis also includes case reports of two athletes who underwent a general optometric examination, which was complemented by further visual training. Results: We have showed statistically that after a series of trainings on the NeuroTracker, there is an overall improvement of the measured parameters. Moreover we have shown that the number of performed trainings moderately correlates with the resulting improvement. Each sport correlates in a different way however....
|
|
|
SS7 Honeypots - Proactive Mobile Networks Fraud Protection
Kubiš, Juraj ; Veselý, Vladimír (referee) ; Pluskal, Jan (advisor)
This diploma thesis deals with the issue of attacks and fraud against mobile networks, with the main aim being implementation of a honeypot-type tool possessing the ability to respond to these accordingly. Thus, this thesis contains a basic introduction into mobile networks, their topology and commonly used protocols, along with analysis of their general security. This is followed by a clarification of the term honeypot itself, with an explanation of motivations for its deployment into the networks, together with listing of advantages and disadvantages such deployment may bring. The rest of the thesis deals with the actual implementation of such tool, specifically with its design, realisation and testing. This thesis presents a method for responding to the supported frauds, a detailed description of the implementation, configuration and outputs of the tool. The process of testing whether the implementation corresponds to the presented design is described here. The implemented tool is evaluated and its further possible improvements are discussed.
|
|
|
Průběžné sledování opotřebení obráběcího nástroje
Veselý, Václav
The diploma thesis named Continuous monitoring of a machine tool wear deals with the issue of tool wear of machining. The thesis is divided into segments and the first segment deals with the areas of tool wear, the specific trends in the field of eliminating the tool wear and prolonging durability of tools, non-destructive test methods. These segments are a critical parts of the research, in the following part concentrates on the testing performed by the method of acoustic emission. The last part concentrates on the critical evaluation of the testing results.
|
guest ::
