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1
Verfl, Jan. „Aplikace měřicích sond v procesu soustružení“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229354.
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My diploma work is focused on implementation of measuring probe to process of cutting operation by turning and description of their effective usage ways. Measuring probe are used as correction during turning process or to control measuring of turning work eventually to signal mistake in process. In practical part the laser measuring probe is used to control shaft functional dimensions. Measuring is done after tooling and it substitute exit control. Laser probe was also reviewed regarding usability for given purpose as measurement tool and in the same time were reviewed time and cost differences against alternative turning process.
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Vlček, Michal. „Aplikace měřicích sond v procesu obrábění“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229056.
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his master thesis deals with application of measuring probes in machining process. There is indicated a brief overview of the measurement methods used in cutting operation. It is also focused on the measurements of using probes to verify the acceleration and refinement of the production.
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Zagorská, Kateřina. „Návrh a realizace testovací aplikace měření rozměrů optickým senzorem a robotickým ramenem“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442816.
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This diploma thesis deals with creation of a measuring application using optical sensor and robotic arm in the RobotStudio software. The literature review of the thesis describes the field of optical measuring and calibration. Furthermore, the thesis includes the process of creating a measuring application and outlining issue of calibration of individual parts. The work is supplemented by a demonstration of repeatability measurements and a description of possible errors that may occur if the robot is set incorrectly.
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Kulhánek, Jaroslav. „Aplikace měřicích sond v procesu obrábění“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228889.
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The object of this work is to apply the measuring probe in the process of the machining and explore the use of the measuring probes. For the practical of the measurement was use measuring probes, the program supplied with the measuring probes, machining centers and the resulting data were evaluated on a PC. Finally, work is to evaluate the measurements and describe the appropriateness of the application.
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Jahoda, Patrik. „Stanice pro měření výkonu topení palivových filtrů“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318538.
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This work is focused on the design and realization of a station for measuring the performance of modern fuel filter heaters. The openning part of the thesis is focused on the theoretical introduction to the issue of diesel purity and the function of fuel filters. The second part includes the process of measuring station creation, including the creation of a control application in LabView. The final part is devoted to measuring of several types of filters and method verification.
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Macek, Michal. „Vývoj mobilních aplikací pro vzdálené ovládání přístrojové techniky“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-254478.
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The presented work describes the growing trend of using mobile devices to control laboratory instruments and displaying of measured data. The main objective is the application development for mobile devices, which will allow to remotely control and measure with laboratory instruments. The practical part is focused to programming mobile application which will be able by using the local network to connect multiple laboratory instruments, setting them for different types of measurements and then display measured data.
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Teplan, Miroslav. „Měřicí jednotka kvality elektrické energie“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218949.
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This thesis describes the parameters of electrical energy with a focus on low voltage characteristics and their measurement with respect to the parameters required by standards. In addition, one chapter deals with monitoring of the quality electric energy. Measurement organizations, calculation of power quality and the data collection for its calculation is referred here. For the illustration, the example of a distributed monitoring system from practice is described. The second part deals with the design and implementation of a module for measuring power quality , namely by measuring the voltage characteristics. It describes the selection of the chosen solution, hardware part and firmware for the MCU. To display the measured data, application was created by the Java programming language. The application allows the visualization of the voltage measured Low voltage grid with single phase voltage RMS value 230.
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Karásek, Miroslav. „Aplikace rozšířené reality: Měření rozměrů objektů“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2019. http://www.nusl.cz/ntk/nusl-399167.
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The goal of this diploma thesis is design and implementation of an application for automated measurement of objects in augmented reality. It focuses on automating the entire process, so that the user carries out the fewest number of manual actions. The proposed interface divides the measurement into several steps in which it gives the user instructions to progress to the next stage. The result is an Android application with ARCore technology. Is capable of determining the minimal bounding box of an object of a general shape lying on a horizontal surface. Measure error depends on ambient conditions and is in units of percent.
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Horáček, Kryštof. „Aplikace měřicích sond v procesu frézování na CNC stroji MCV1210“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400954.
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This diploma thesis focuses on the application of measuring probes in the machining process. The main goal of the thesis is to create sample procedures for measuring cycles and functions in a CNC machining process using MCV 1210 and selected measuring software. In the first part of the thesis available methods of machine measurement are outlined with a great emphasis on the description of measurement principles, construction, and measurement signal transmission methods between tool probes and the workpiece. The second part of the thesis deals with the application of measuring probes in the machining of the designed test piece using the Productivity+TM and Sinumerik ShopMill softwares. The work also includes an economic evaluation of the profit of an investment in the mentioned measuring equipment.
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Bednář, Jan. „Aplikace pro měření prahu slyšení a maskovacích křivek“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-220425.
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Main aim of this thesis is to create an application for measuring threshold in quiet and masking curves in C++ language. First chapter describes basic teory of perceiving sound and phenomenon of masking. Second chapter focuses on description of different hearing measurement methods. Third chapter describes, how the classes and functions for frequency changing oscilator and evaluation were created and how the graph display function works. Next chapter describes, how to use the application properly and how to do the basic calibration, so the data will be displayed correctly. Last chapter shows the correct function, measured thresholds in quiet and masking curves for two subjects.
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Grečnár, Jiří. „Přesné měření GNSS-RTK pro inženýrsko-geodetické aplikace“. Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227136.
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The thesis deals with precision analysis, process optimization and repeatibility of GNSS-RTK measurements for surveying aplication. Measuring procedure, that enables determination of a spatial position with a permissible deviation less than 10mm, was tested based on previous published findings. The test procedure was tested on two sets of test measurements obtained during 27 h and 26 h observations in connection with CZEPOS. The results were later analyzed. The first set of measurements was measured by the RTK3-GG method (9 m and 60 km vectors) and computed by a network solution VRS3-MAX-GG. Both were in ideal conditions – ideal, not obstructed observational horizon and good availability of differential corrections. The second set was measured by RTK3-GG method (22 km and 62 km vectors) and computed by network solution VRS3-MAX-GG. Both were in adverse conditions - obstructed observational horizon and adverse availability of differential corrections. Precision analysis and design of appropriate filtering method and optimal measurement procedure were done based on the results obtained from the test measurements. Optimal measurement procedure was then tested by measurements in a three point network.
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Šeda, Pavel. „Mobilní aplikace pro subjektivní měření kvality zážitku streamovaného videa“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316880.
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This thesis is focused on the subjective measurement of the quality of experience on streaming video through a mobile application. After wide analysis of possibilities how to realize subjective measurement of quality of experience, the mobile and web application were created. These tools enable to obtain user ratings of streaming videos and then evaluate them. The user ratings are stored to the central database via secured REST API.
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Kovář, Lukáš. „Vývoj aplikace pro měření spotřeby elektrické energie strojních zařízení“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417842.
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The goal of the diploma thesis is to develop application for data acquisition and analysis during the measurement of electrical consumption at mechanical machines. First part of the diploma thesis is providing general summary about the methods of measuring the electrical consumption. Special focus is given on methods of the metering electrical consumption in three-phase distribution network. Furthermore, the data acquisition components are being described. Hardware components and development environment LabVIEW where the program itself was created are detailly described.
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Jandová, Alena. „Aplikace Balanced Scorecard“. Master's thesis, Vysoká škola ekonomická v Praze, 2016. http://www.nusl.cz/ntk/nusl-262153.
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The concept of the Balanced Scorecard taking a part in the strategic management of a company, is a main focus of this thesis. There are the theoretical and methodological parts of the Balanced Scorecard characterized individually, as well as the development and the history of this concept. This thesis is dealing with a draft of the practical implementation of the mentioned methods. The practical part of the thesis is following the theoretical introduction where the practical part is focused on a practical application of the Balanced Scorecard method for a specific company. The company is specified by the Corporate Performance and Business Model Canvas by using the PESTEL Analysis, Porter's Five Forces Model and Financial SWOT Analysis. The company strategy is specified based on the previous conclusions. The set strategy is an underlies for a follow-up Balanced Scorecard, where causal links between the intended targets and the strategy are displayed in the Strategic Map. The implementation of the strategy to the everyday use of the company is a part of the thesis, as well.
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Ripper, David. „Měření kvalitativních parametrů datových sítí“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242161.
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The aim of this thesis was studying and describing known methods for testing transmission parameters in data networks based on protocol stack TCP/IP. Firstly were individual transmission parameters specified and determined their impact on service quality. Another aim was to carry out a comparison of the different methodologies of measurement of transmission parameters, performed their qualifications on the basis of these findings and methodology for measuring service quality from the user's perspective was proposed. It was a web application where users measured basic transmission parameters, then the users judged videos according to the evaluation scale MOS (Mean Opinion Score) and with the help of these data was analysis, classification connection and impact of connection on MOS evaluation.
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Žůrek, Daniel. „Aplikace počítače v ultralehkém letounu“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-363850.
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The master thesis deals with the possibilities for monitoring the operation of ultralight aircraft or helicopters . The aim is to create a system for the determination of aircraft operating parameters with a main focus on motion detection and evaluation . The thesis describes speed sensing methods , acceleration measurement , frequency measurement methods , wireless communication , serial line communication , hardware and software implementation of the embedded system, and finally description of the implementation of the mobile application .
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Gőtz, Lukáš. „Aplikace síťového připojení měřicích přístrojů v technické diagnostice“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219220.
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This labor discusses with the possibilities of using a network connection devices in measurement technology from Agilent. It deals with the theoretical description of the different ways of measuring devices connected to computer networks and their use in laboratory teaching. Practical work is focused on creating automated utilities for selected tasks in the laboratory diagnosis of electrical materials in the software Agilent VEE Pro. The work is a detailed description of the labs in terms of setting and controlling the basic parameters created by the application. Installation and configuration of software and hardware communication tools are summarized in the brochure "How to handle a remote connection of measuring instruments over the Internet."
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Musil, Marek. „Aplikace osobního větrání ve vzduchotechnice“. Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226016.
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The subject of this thesis is the application of personalized ventilation in air. The main aim of the work is to construct physical models of artificial ventilation outlets for personal and their experimental verification in the laboratory. The information obtained from experimental measurements are applied in the design of forced personal ventilation to the specified building. Result of this work is to evaluate the use of personalized ventilation for practice with these advantages and disadvantages.
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Šíp, Jan. „Aplikace rychlostní sondy se žhavenými drátky při měření rychlostního pole za automobilovou vyústkou“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378494.
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This diploma thesis deals with the research of the flow in front of the benchmark automotive vent. Using thermoanemometry, the velocity field in the area in front of the vent was measured in detail and the intensity of the turbulence was calculated. Computational fluid dynamics of the air flow from the vent was also performed using the STAR-CCM + program. In addition, the influence of the surrounding surfaces simulating the real environment of the automobile on the air flow from the vent was investigated. The diploma thesis contains the calculation of measurement uncertainty. The purpose of this thesis is to obtain complex data on the velocity field and to use them for validation of Computational fluid dynamics.
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Wojewoda, Ondřej. „Měření fáze spinových vln pomocí Brillouinova rozptylu světla: vývoj zařízení a jeho aplikace“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417148.
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Spinové vlny mají potenciál být použity jako nová platforma pro přenos a zpracování dat, protože mohou dosáhnout vlnových délek v rozsahu nanometrů a frekvencí v rozsahu terahertzů. K tomu, aby bylo možné navrhnout zařízení a logické obvody založené na spinových vlnách, je zapotřebí získat informace o prostorovém rozložení intenzity spinové vlny a pokud je to možné, také o jejich fázi. To lze měřit pomocí fázově rozlišeného fokuso-vaného Brillouinova rozptylu světla (µ -BLS). Předložená práce se zabývá rozšířením stávající optické sestavy o možnost měření fáze, kde doposud bylo možné měřit pouze intenzitu. Toto rozšíření sestavy je důkladně popsáno a charakterizováno. Schopnosti optické sestavy jsou demonstrovány ve studii šíření spinových vln skrz Néelovu doménovou stěnu. Získané 2D mapy intenzity spinových vln ukazují, že propagace přes doménovou stěnu je ovlivněna topologicky vynucenou kruhovou Blochovou čarou ve středu doménové stěny a že režim propagace závisí na frekvenci spinových vln. V prvním režimu propagace se vytvoří dva svazky spinových vlny šířící se kolem kruhové Blochovy čáry, zatímco ve druhém režimu se spinové vlny šíří pouze středem. Fázově rozlišené µ-BLS měření odhaluje fázový po- sun spinových vln pro oba režimy. Mikromagnetické modelování spinových vln ukazuje rozrušení jejich fázových vlnoploch, které je třeba brát v úvahu při interpretaci měření a navrhování potenciálních zařízení. Mikromagnetické simulace ukazují, že vnější magnetické pole může být použito k pohybu kruhové Blochovy čáry ve stěně domény, a tedy k manipulaci spinových vln.
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Baier, David. „Aplikace 3D průmyslové geodézie při výrobě modulů pro podmořskou těžbu ropy“. Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225416.
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The thesis suppose to introduce the dimenisonal control surveyor’s role during manufacturing of the oil subsea structures, which are utilized for subsea pipeline systems assembly. The thesis contain the theory of oil production from the seabed, resources utilized for those purposes and describe the manufacturing process of the subsea equipment. The main focus of the work is in describing the methods (more detailed) applied during dimensional control, along with method of surveying, calculations and result presentations. The essential part is showing data processing of one representative structure, which the author processed himself during his particiaption on the project.
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Bilík, Petr. „Virtuální měřicí přístroje pro podporu výuky“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442484.
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This diploma thesis deals with the creation of the Virtual Measuring Instruments web application. This tool mainly enables us to simulate the real measuring instruments widely used in the laboratories of FEEC BUT. It is intended to serve students for initial acquaintance with specific devices. The theoretical part is focused on the research into the web applications programming and suitable programming languages to implement the proposed application are selected. Furthermore, the specific virtualized devices are described. The result of the experimental part consists in creating a universal application interface to extend the proposed application with other devices. Finally, the specific tests of the developed platform are presented.
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Ježková, Kateřina. „Aplikace statistické regulace procesu na nový produkt“. Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-9362.
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Valchář, Vít. „Cloudová aplikace pro analýzu dopravy“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2016. http://www.nusl.cz/ntk/nusl-255335.
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The aim of this thesis is to create a cloud application for traffic analysis without knowing anything about the system. The only input is address of the web camera pointing at traffic. This application is build on existing solution which is further enhanced. New modules for removing obstacles (such as lamppost covering part of the road) and splitting overlapping cars were added. The whole cloud solution consists of multiple components which communicates by HTTP messages and are controlled by web interface.
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Pak, Anastassiya. „Aplikace metody Data Envelopment Analysis na vybrané bankovní instituce“. Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-116585.
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The following thesis documents application of Data Envelopment Analysis method on the sample of eight banks which were functioning on the Czech banking market during the period 2007 -- 2010 in order to measure their technical efficiency. Thesis consists of two major parts -- theoretical and practical one. The first part includes main principles, areas of application of the method and theoretical base of the DEA which will be used in the practical part. Second part presents brief description of the trends on the Czech banking market and it's development during the period 2007 -- 2010. Practical part also contains results of the measurement, its interpretation and analysis of main reasons of banks' inefficiency.
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Sehnálek, Lubomír. „Laboratorní zdroj s rozhraním USBTMC“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242078.
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This thesis was selected due to establishing of universal platform for USBTMC remote instrumentation and constructing a laboratory DC power supply for hobby use. This thesis is focused on design and realization of regulated linear DC power supply. At first thesis mentions kinds of DC power supplies and kinds of interfaces used for test and measurement instruments. Thesis continues by describing of blocks of a developed linear DC power supply with an USB interface following the USBTMC specification for remote control. Thesis ends by realization of the regulated linear DC power supply with USBTMC interface. It was achieved acceptable results. Communication between PC and Control module works well as same as communication between Control module and Power supply module. Maximum output ranges of voltage and current are 40V and 3A. Big interference on auxiliary supply rail decreases accuracy.
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Fránek, Jakub. „Návrh injekcí zavěšeného kruhového oscilátoru pro aplikaci v systémech LIDAR přímo měřících čas průletu“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442517.
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Diplomová práce přibližuje systémy LIDAR přímo měřící čas průletu a časově digitální převodníky určené k použití v těchto systémech. Představuje problematiku distribuce hodinových signálů napříč soubory časově digitálních převodníků v LIDAR systémech a věnuje se jednomu z nových řešení této problematiky, které je založené na injekcí zavěšených oscilátorech. Technika injekčního zavěšení oscilátorů je důkladně matematicky popsána. V programu Matlab byl vytvořen simulační model injekcí zavěšeného kruhového oscilátoru, který potvrzuje správnost uvedených analytických predikcí. Ve výrobní technologii ONK65 byl navržen injekcí zavěšený kruhový oscilátor stabilizovaný pomocí smyčky závěsu zpoždění, určený pro implementaci časově digitálního převodníku pro systém LIDAR. Navržený injekcí zavěšený kruhový oscilátor byl verifikován počítačovými simulacemi zohledňujícími vliv procesních, napěťových i teplotních variací. Oscilátor poskytuje specifikované časové rozlišení 50 pikosekund a dosahuje dvakrát nižší hodnoty fázového neklidu než ekvivalentní volnoběžný oscilátor v dané technologii.
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Odehnal, Jiří. „Řízení a měření sportovních drilů hlasem/zvuky“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2019. http://www.nusl.cz/ntk/nusl-399705.
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This master's thesis deals with the design and development of mobile aplication for Android platform. The aim of the work is to implement a simple and user-friendly user interface that would support and assist the user in trainning and sport exercises. The thesis also include implementation of sound detection to support during exercises and voice instruction by application. In practice the application should help in making training exercises more comfortable without the user being forced to keep mobile device in hand.
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Elis, David. „Možnosti aplikace prvků manažerského účetnictví v segmentu malého podnikání (na příkladu konkrétní firmy)“. Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-15351.
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The thesis "The possibilities of application of management accounting components into the small size companies (on the example of a concrete company)" engages in the question, whether it were possible to identify components of management accounting, that would be applicable in the small size companies. The first part focuses on the introduction of the company, on the market company operates on and on the general characteristics of the small and mid-size companies. It provides information on the company performance and identifies a need of the introduction of accrual principle into the company's accounting. The next part deals with the discrete features of the proposed performance management system. It answers the question, whether to orientate the system primarily on performance or responsibility, designs the appropriate calculation system and the basic system of plans and budgets. Later, it focuses on the existing organizational structure and the definition of the structure of the responsibility centers. In the last part, there can be found a proposal of the management profit and lost statements as of the basic statements providing the information on the partial as well as overall performance measurement.
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Janovský, Petr. „Aplikace měřicích sond v procesu frézování na stroji MCV1210/Sinumerik 840D“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378862.
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This thesis concerns the technological processes of machining of thin-walled parts and the modification of said processes in dependence on the following interopera-tive measurement of the real dimensions of these parts. Within the theoretical part a research study of technological possibilities of measuring thin-walled parts and principles of probe programming are presented. In the main practical part of the the-sis a proposal of an experiment is described, which tests the individual technologi-cal steps and their influence on the quality of a prototype of the produced thin-walled part. Numerical (NC) codes are created using parametric programming, which are then used during the realization of the experiment itself. In the conclusi-on there are presented and discussed the results of measuring of the machined surfaces and the influence of correction paths, which should help to achieve a mo-re accurate production according to given dimensions. This experiment, however, has not met the expected results. That is why new procedures have been designed in order to create said paths, which can be used in a future realization of this expe-riment.
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Loučka, Pavel. „Měření ovality extrudovaného vlákna pomocí tří kamer“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-401570.
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One of the important parameters observed during extruded fibre fabrication is its diameter. The diameter can be measured with a single scanning camera assuming that the fibre section has a circular shape. As proved in practice, another important parameter is ovality, that is the rate of fibre flattening. This paper assumes that the fibre section shape is elliptical. In such a case, at least three different views on examined fibre are needed. Mathematical part of this paper is concerned with analytical description of fibre ovality measurement using two different approaches based on the knowledge of linear algebra, projective geometry and conic sections theory. Main goal of this paper is thus to use both mathematical theory and image analysis methods for ovality and diameter determination. Precise calcluation of such quantities is, however, conditioned on precise camera system calibration, which is described in the paper as well. Additionally, the work contains a brief mention of technical realization of ovality measurement and its possible difficulties.
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Svída, David. „Snižování vibrací a akustických emisí pohonných jednotek aplikací virtuálního motoru“. Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-233980.
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Doctoral thesis deals with combustion engine cranktrain vibrations and vibration analysis methods. The work applies new computational models aimed at powertrain vibration decrease. The computational models can be used in the first stages of powertrain development. Temperature dependences of the rubber shear modulus and loss factor characteristic are found by response analysis of the free damped vibrations in the first part of the thesis. Viscoelastic model parameters of two dampers with different rubber hardness are calculated using optimization methods. Temperature distribution inside the rubber part during the harmonic oscillation is calculated with the knowledge of previous values. Computational models together with a user interface are assembled in Matlab/Simulink software tool. Computational model results of the viscoelastic rubber damper are verified by measurements on a prototype diesel engine in the whole operating engine speed range. Torsional vibrations of the crankshaft with torsional damper are measured by POLYTEC laser rotational tools. The temperature distribution on the damper surface is obtained by Infratec VarioCAM thermographic system. Combustion pressures in the cylinder are measured by SMETEC Combi indication tools. Both the temperature distributions and combustion pressures are used for computational purposes. All the measurement procedures are described also in the thesis.
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Kučera, Pavel. „Aplikace pro prezentaci a modifikaci dat v přenosných zařízeních“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2009. http://www.nusl.cz/ntk/nusl-236708.
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This thesis is aimed to study the possibility of usage of mobile devices in the sphere of automation. One automation company needed to have in hand some PDA-based tool for a remote control of the technological process. There is analysis of ability of contemporary portable devices to run a application software. According to the specified requirements there is designed and implemented the client-server system based on the VNC technology. The server is a Linux-based PC server implemented using Xinetd daemon and the Xvnc. The two standard VNC clients were made. A free software available under the GPL license was modified to implement them. One runs on Windows Mobile operating system and the other one is a Java MIDlet.
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Štefanka, Martin. „Aplikace senzorů a digitalizace podle IEC 61850 v sítích a rozvodnách vysokého napětí“. Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-240510.
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Vzduchem izolované vysokonapěťové rozváděče jsou nedílnou součástí energetického distribučního řetězce a to jak v průmyslovém, tak ve veřejném sektoru. Hlavní funkcí rozváděče je ochrana pracovního personálu, rozpojování/odpojování a spínání, izolování, měření proudů a napětí, chránění a ovládání zatížení a komunikace dat do řídících systémů. V každé z výše zmíněných funkcí probíhal technologický vývoj v průběhu posledních 40 let. Dnešní rozváděče jsou spolehlivé a elektrickému oblouku odolné zařízení, zoptimalizované téměř k fyzikálním limitům dielektrických, elektromagnetických a termodynamických polí. Vakuové vypínače zajišťují stálou a spolehlivou vypínací funkci. Taktéž v oblasti chránění, řízení a komunikace došlo k mnoha technologickým proměnám. Od elektromechanických relé přes zařízení založená na tranzistorech, později na jednoúčelových mikroprocesorech, až po dnešní multifunkční vysoce výkonná mikroprocesorová inteligentní elektronická zařízení. Pouze oblast měření proudů a napětí setrvala z technologického hlediska posledních 40 let beze změny. K dominujícím měřícím technologiím dneška stále ještě patří indukčně založené transformátory proudu a napětí. Byly sice provedeny některé pokusy k obměně technologie měření jako takové, nicméně bez dosažení úspěchu. Tato dizertační práce je zaměřena na poskytnutí nového náhledu na alternativní technologii měření v elektrických sítích a ve vzduchem izolovaných vysokonapěťových rozváděčích, kterou lze využít jak pro měření proudu, tak i napětí. Tato práce vysvětluje, proč Rogowského cívky, odporové a kapacitní děliče jsou tou správnou volbou a měly by být použity ve vysokonapěťových rozváděčích a podrobně analyzuje přesnost měření a jejich příslušné meze. Dále tato práce popisuje, že pro nasazování nových měřících technologií musí být postupováno systematicky. Senzory připojené k inteligentním elektronickým přístrojům a schopností komunikace založené na IEC 61850 spolu s vysokorychlostní komunikační sběrnicí Ethernetu vytvoří systém, který zjednoduší a sjednotí konstrukci rozváděčů a umožní oddělit aspekty projektování měření od studie zkratových selektivit. V práci je také uveden příklad, jak tento nový systém může přinést změny a zjednodušení do oblastí projektování a řízení. V této práci jsou popsány výsledky několikaletého úsilí při stanovení nových měřících a digitalizovaných přístupů ve vysokonapěťových rozváděčích pod autorovým vedením. Toto úsilí také vedlo k uvedení nového produktu – UniGear Digital - konceptu od ABB. Závěrečná část práce demonstruje praktické nasazení všech výsledků v této práci při skutečných aplikacích.
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Dřímalková, Lucie. „Diagnostika diafragmového výboje ve vodných roztocích a jeho aplikace pro povrchovou úpravu nanomateriálů“. Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2019. http://www.nusl.cz/ntk/nusl-402110.
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The exact mechanism of the discharge in liquids ignition is not sufficiently known up to now. Although during the last years was achieved the great progress and overloading which some of them are written in this theoretical part of thesis. This thesis is divided into two experimental parts. When the first part deals with diagnostics of diaphragm discharge in electrolyte solutions and the second part is focused on its use for uncoiling (higher homogenization) of carbon nanotubes in solutions. In experiment 1, three different sized (4 l, 100 ml, 50 ml) diaphragm discharge configurations were used to diagnose diaphragm discharge in electrolyte solutions. Diagnostics is done through current and voltage waveforms with the addition of synchronized ICCD camera images that have been connected to a four-channel oscilloscope. The V-A characteristic can be described by three events occurring in the electrolyte solution with a gradual increase in voltage. Slowly increasing of the voltage in the solution leads first to electrolysis. The next phase is the formation of microbubbles or bubbles, which is characteristic of the curve by a slight decrease in the increase of the current passing between electrodes. The sudden increase in the current flow is characteristic of the last phase, namely the discharge phase. The distance of the electrodes from the diaphragm does not significantly affect the V-A characteristic. The higher diameter of the pin hole, therefore, has a higher voltage, but this does not affect the origin of bubble generation or breakdown. The higher thickness of diaphragm, the higher voltage is needed to the beginning of the bubbles generation, and consequently the discharge breakdown. Comparison of the voltage of the start generation of the bubbles and breakdown for PET diaphragms and diaphragms from the ceramic there was no mark able difference. One of the most important parameters is the conductivity of the electrolyte solution. The lower voltage is needed for the start generation of the bubbles at the higher solution conductivity, and also the discharge generation is observed at a lower breakdown voltage. The second experimental part is focused on the study of the diaphragm discharge effect on carbon nanotubes. A specially designed U-shaped reactor is used to modify carbon nanoparticles. Tap water and aqueous solutions of organic compounds are used as the electrolytic solutions. The discharge is generated by a non-pulsed DC high source with a voltage in the range of 0-2.8 kV supplied to platinum electrodes located in the electrolyte solution. The experimental results have shown that the diaphragm discharge has positive effects on the disintegration of clusters and agglomerates of carbon nanotubes. The primary effect on disintegration is probably the shock waves generated by the discharge. It turned out that it depends on the electrode configuration, where the treatment in anode space has far greater effects than the treatment in cathode half of the reactor. Effects of carbon nanotubes disintegration in solution are long-lasting and the treatment effect is not loosed after several months. There were detected no significant changes in the structure of plasma-treated nanotubes by Infra-red spectroscopy.
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Malinka, Rostislav. „Software pro řízení a vyhodnocení klimatických a teplotních testů“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-432817.
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This thesis deals with design of software for control and evaluation of climatic and temperature test in accredited testing laboratory CVVOZE. It includes literar research in field of climatic and temperature tests, definition of software requirements and making of application flowchart diagram. The thesis also includes implementation description of proposed control software in terms of the program and also a documentation of the application, which focuses on explanation of all application functions to the user.
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Kříž, Petr. „Software pro jízdu pravidelnosti“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316249.
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The main goal of this master‘s thesis was to create software solution suitable for measuring and results processing of regularity rally races and to create supplementary web application. The measuring application was created using integrated development environment Microsoft Visual Studio 2015 and c# programming language. For application to work correctly, it was necessary to create a database model, using MySQL relational database management system. The measuring application can work both with local and remote database server. Web application allows user to see various data including results of racing events or tournaments, data are being fetched from the MySQL database. There was an option to explore existing circuit racing software Vola Timing Circuit – Pro for inspiration.
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Růžek, Michal. „Řízení robota Trilobot zařízením FITKit“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-236467.
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The goal of this master's thesis is to design a robot Trilobot controller using a FITkit platform. It describes sensors and actuators widely used in mobile robotics. Part of the thesis is aimed to analyze in detail current Trilobot's peripherals, their conections and ways of communication. A circuit diagram of designed electronics is completed by the PCB design and description of small changes of the current Trilobot. The thesis also contains implementation of utility HW in the FPGA and a software library for a microcontroller. The finished control unit is tested by sort of demonstration applications.
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Jašek, Filip. „Systém pro záznam a hlášení chybových stavů chladicích zařízení“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2021. http://www.nusl.cz/ntk/nusl-445585.
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The thesis deals with the design and creation of a system for recording and reporting error states of cooling devices on the principle of a compressor heat pump. An important element of the concept of the entire monitoring system is a built-in platform based on the ESP32 microcontroller for evaluating data measured by sensors. Another key element is the communication module, which sends measured data via GPRS in the form of MQTT messages to the service web application. The application receives, evaluates and records measured data. Subsequently are measured data and evaluated error states presented to the user in the form of tables and interactive graphs.
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Bachmayer, Marek. „Monitorovací systém pro sledování chodu laboratoře“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-432835.
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The presented work deals with the development of a monitoring system for monitoring the operation of the laboratory. The theoretical part of the work includes information on the safety of operation and work in biological laboratories, measured physical quantities and the principle of their measurement. The monitoring system is built on a compact ESP32-CAM camera and a WeMos D1 development board. The practical part consists of the design and implementation of a given system and the creation of a full-stack application for displaying live input from the laboratory for monitoring measured quantities in real time.
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Pajgrt, Michal. „Programové vybavení pro komunikaci a nastavení jednotky pro sběr dat JSD600“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2007. http://www.nusl.cz/ntk/nusl-412780.
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This diploma thesis describes a JSD600 unit intended for mathematical processing, measuring and data recording. The JSD600 unit is highly intended for industrial measuring of water steam energy delivery.First part of the work focuses on basics of the JSD600 unit detailing and describing main structures and principles for relevant data storing.Next part summarizes some basic facts and knowledge from the area of industrial liquid flow, energy measuring and describes water steam states. All these points within this range are needed for dilemma understanding.Last task deals with complete list of communication datagrams, which have been used for communication with JSD600 unit, including a main packet of structure descriptions.The second part of this dissertation brings the unit setup application description including some implementation details of the most interesting parts.
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Trýska, Tomáš. „Vývoj elektroniky pro dálkově řízený batyskaf“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221017.
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The aim of this thesis is the development of electronic circuitry for remote controlled bathyscaphe and allow it to move, measure the working values and transmit the video stream from IP camera to the computer. Camera itself can be also remotely tilted by a small servo motor. The bathyscaphe is controlled through a simple computer program.
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Škorpík, Daniel. „Optický analyzátor koncentrace CO2 v dechu“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-399625.
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This Master's thesis discusses about the measurement of the carbon dioxide concentration in breathing by an optical analyzer using infrared absorption spectroscopy. The method is described with the technical focus on individual components needed for subsequent implementation. A circuit diagram is created to produce Arduino platform devices that serve as hardware to connect and power individual parts and software to create a user environment, followed by a Bluetooth module to transmit measured data to mobile devices where real-time results are presented.
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Dvořáček, Jan. „Analýza silového zatížení řezného nástroje při pětiosém frézování“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228829.
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The diploma thesis is focused on machining using the ball-end shank mill. Content of the preliminary part of the work is a shank mill characteristic and a consequent part shows a splitting of ball-end milling cutters, its application, the cutting tool geometry and a characteristic signs of machining. The cutting force model of the ball-end mill is presented as well. A part of proposed model is the conversion of the resultant force too. Practical part is aimed at cutting force analysis of the ball-end mill and the main purpose of this part is a quantification of the cutting force for different work piece tilt angles while milling is performed.
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Vodňanský, Ondřej. „Alternativní způsoby měření rizika - aplikace na Středoevropský region“. Master's thesis, 2010. http://www.nusl.cz/ntk/nusl-295357.
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Increasing volume of research shows that both theoretical assumptions and empirical fit of traditional mean-variance and CAPM frameworks are flawed. Hence, other risk measures are gaining popularity. Downside risk measures not only represent the theory well, they are also significant in explaining variations of stock returns. Most importantly, the definition of risk they provide is more in line with perspectives of investors. We have carried out extensive testing on a sample of companies from the Czech Republic, Germany and Poland. Our results show that Semivariance with respect to zero is the most significant risk measure while CAPM beta by itself has little use. Finally, we also analysed importance of idiosyncratic risk on CEE shares and found out that it is indeed priced on the Czech and Polish stock markets but not in Germany.
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MATYS, Jaroslav. „Fyzikální měření pomocí mobilního telefonu“. Master's thesis, 2016. http://www.nusl.cz/ntk/nusl-204726.
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This diploma thesis topic "Physical measure by the mobile phone" deals in theoretical part with term BYOD (Bring Your Own Device) and lesson 1:1, where is solving motivation of integrating devices into the lessons, what are the advantages and disadvatages of this problems and also what are the worries that pedagogues could have. Then thesis deals with equipment of mobile phones, principle of sensors functioning and in the end deals with searches of application for physical measuring by the mobile phones sensors, actual to the date of the writing this thesis. In the practical part thesis deals with comparison of values from aplication to the laboratory equipment. In the end deals with proposals of lessons activities with mobile applications.
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Kovařík, Karel. „Vývoj a aplikace diagnostických metod pro měření magnetických polí na tokamacích“. Doctoral thesis, 2017. http://www.nusl.cz/ntk/nusl-367687.
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Title: Development and application of methods for measurement of magnetic field on tokamaks Author: Ing. Karel Kovařík Department: Department of Surface and Plasma Science, Faculty of Mathematics and Physics, Charles University in Prague Institute of Plasma Physics of the Czech Academy of Sciences, v. v. i. Supervisor: Ing. Ivan Duran, PhD. (Institute of Plasma Physics of the Czech Academy of Sciences, v. v. i.) Abstract: Thesis describes two parts of my work in frame of magnetic confined fusion research. First part describes irradiation testing of the Hall sensors based on InSb semiconductor. It evaluates radiation effects of fast and thermal neutrons on the Hall sensors sensitivity. Tests indicate low level of changes for fluence lower only by order of magnitude than expected in the whole lifetime of ITER tokamak. Second part describes measurement of turbulent plasma structures parameters in scrape--off layer of the COMPASS tokamak, particularly the parallel electric current flowing along them. Design of novel combined probe allowing measurement of not only electrostatic parameters but also the parallel electric current is presented. Evaluation of parallel electric current is discussed and compared with experiment. Statistical analysis of the plasma structures is presented. Empirical formulas of the...
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Štábl, Jakub. „Aplikace metod optické analýzy při zkoušení nábytku“. Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-178585.
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This thesis deals with the use of digital image analysis during the chair testing. The thesis aim is to show and compare different analytic programs and two optical methods of measurement. Selected optical analysis are Digital Image Correlation and Motion Capture. These non-contact measurement methods are used during the chair testing, specifically static test of the seat and backrest. The measured values are statistically evaluated and the results of different methods and softwares are compared. The chair testing follows relevant standards.
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Pivoňka, Pavel. „Sběrnice CAN - aplikace datových výstupů pro analýzu výsledků měření na válcovém dynamometru“. Master's thesis, 2007. http://www.nusl.cz/ntk/nusl-92811.
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Jurčíová, Veronika. „Měření změn mechanických vlastností lidské kůže po aplikaci terapeutického laseru“. Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-322099.
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Charles Univerzity in Prague Faculty of Pharmacy in Hradec Králové Department of Biophysics and Physical Chemistry Candidate: Veronika Jurčíová Sepervizor: Mgr. Monika Kuchařová, Ph.D. Title of diploma thesis: Measurement of changes in mechanical properties of human skin after application of therapeutic laser This diploma thesis describes in the theoretical part the properties of human skin, the properties of laser radiation and the nature of interaction of laser radiation with human skin. The practical part deals with an in vivo measurement of changes in mechanical parameters of human skin after application of therapeutic laser radiation. The mechanical parameters of human skin were measured in ten volunteers before the application of laser radiation and then after the application. Used energy density of the laser radiation increased from 30 to 90 J·cm-2 . The observed parameters were Hooke's coefficient, Newton's coefficient and the time constant. Hooke's coefficient describes the stiffness of the skin as a whole, Newton's coefficient characterises the viscosity of the skin, the time constant is the time in which skin returns to the original state after deformation. For measurement of those parameters was used dynamic elastometer. It was found out that the changes of Hooke's and Newton's...