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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.
21

Agilní metodika testování podnikových aplikací s využitím nástroje HP ALM / Agile methodology of testing enterprise applications using HP ALM

Studnička, Michal January 2012 (has links)
Usage of information systems and technologies (IS/ICT) is almost necessary nowadays for all kind of organizations. These, that want it to be successful know, that it is necessary to pay attention to technology innovations and make sure about their quality. Quality of information system is equal of quality theirs single elements, which are created by linked software applications. Their development is currently guided by many different methodologies or instructions how to create them in the shortest time possible, as cheaply and with sufficient quality. This imaginary triangle forms the basis for the ongoing struggle for necessary compromise on one side or the other. Part of these development methodologies is in most cases a section which is dealing with testing. The results of development have to be checked before delivery to the customer and also on the client side is necessary to test quality of what he paid. Therefore, testing is very important, but still neglected article of software development. The main objective of this thesis is modification of testing methodology from Iveta Králová. Modified methodology was adapted for specific environment of small developement team with support of HP ALM software. Original methodology was intended only for system testing and ends in transmission to acceptance tests. Modified methodology goes beyond these boundaries and also covers this area. Partial aim is to enrich methodology on how to implement and manage test environments suitable for this type of operations. The main contribution of this work is the development of agile methodology that is specific for a particular type of operation and works with HP ALM.
22

Monitorování technického stavu částí radarových systémů / Technical Condition Monitoring of Radar Systems Components

Miklíček, Marek January 2017 (has links)
The goal of this thesis is to design a diagnostic subsystem for secondary surveillance radar and to construct a functional prototype of communication and testing generator unit. The first part of the thesis aims at description and division of radar systems, with emphasis on air traffic control radars.  Main attention is being focused on ATC secondary surveillance radars and description of their function. Following part deals with requirements specification for design of diagnostic system and the system design itself. Part of the thesis forms design, production and testing of prototype of block enabling communication of diagnostic subsystem and function of testing generator for secondary surveillance radar.
23

Nízkoteplotní bizmutové pájecí pasty / Bismuth Low Temperature Solder Pastes

Švéda, Miloš January 2019 (has links)
This master´s thesis deals with bismuth low temperature solder pastes. Describes the properties of bismuth solder pastes. It shows the process of manufacturing a printed circuit board for test. The thesis also characterizes laboratory temperature profile setting for the BiSn soldering pastes. Solder paste printing and placement 0 ohm rezistors to printed circuit boards with different surface finishes in the manufacturing plant. Setting of solder profiles for low soldering pastes in reflow oven. Testing resistence of mounted zero resistor on the test board at different aging temperature were analysed. Resistance measurement after a specified time. Testing of solder joint strenght of printed circuit boards for different surface treatments. Changes in structure wereanalysed on microsections for solder pastes.
24

Vývoj betonů odolných vůči abrazi a metod testování / Development of abrasion-resistant concrete and testing methods

Procházka, David January 2020 (has links)
This diploma thesis deals with concrete abrasion resistance against abrasion. The constructions of transport and water management structures are most stressed by the action of abrasion by means of travel of vehicles and flowing water. Abrasion reduces the durability of the structures. The prerequisites for achieving the best possible abrasion resistance are examined. Furthermore, test methods that are currently used worldwide. The experimental part deals with the influence of individual types of aggregates amphibolite (Želešice), fecal gravel sand (Žabčice) and basalt (Bílčice) on abrasion resistance. Furthermore, the dependence between the strength of the concrete and the hardness of the surface for abrasion resistance. Abrasion resistance testing was determined by concrete abrasion, abrasion resistance by the Böhm method and by water jet.
25

Konstrukční návrh testovacího zařízení pro automobilové zásuvky / Design of low volume inlet tester

Hotový, Michal January 2020 (has links)
The topic of this thesis is the design of a testing device for checking electrical car sockets according customers’ requirements. The electrical socket shall be tested by electrical, mechanical and camera tests. The diploma thesis is divided into two main parts, first is a part describing the basic elements in the construction of electric vehicles, and describing types of electric sockets in electric vehicles, and second, a practical part describing the design of a testing device.
26

Testovací systém pro zařízení V-mux / The V-mux test system

Morávek, Patrik January 2008 (has links)
An optical network technology is the network technology that meets given requirements for a fast and reliable long-distance information transmission. Optical fibres can offer undoubted features where other communication technologies are near their limits or stand in front of insurmountable problems. The intensive research of last years is focused on optical transmission features utilization in the optimal way. Especially an optical signal processing in active network devices without a need for electrical conversation is a topic of high interest. V-Mux is an optical network device that accomplishes above mentioned requirements for modern optical network devices. It is a device that multiplexes and drops an optical signal in its native light form into or from optical fibre. Basic micro electro-mechanical components, which the V-Mux is built from, are high end precise devices. The whole complex V-Mux has to meet strict rules and specifications as the components itself. That is why a control system has to be included in the production process to keep quality and right functionality. This diploma thesis is focused on a development of the testing system that will help in the automated control procedure in the V-Mux production. A brief introduction to optical network technologies and a description of the GPIB bus form a first part of the thesis. The next part focuses on the V-Mux itself and the proposal of the test station with its component description. The last part deals with a developing of the software for the V-Mux testboard and a user application that will be used for the test system initialization.
27

Generování testovacích vzorů / Test pattern generation

Hašek, Martin January 2010 (has links)
This thesis is focused on application development for simulation lenses’ optical distortions and also for creation own patterns. In the first part are discussed common problems of optical distortion and concept of software analysis. Further is described realization and implementation of particular modules in the application. In the end is show up graphical user interface and its functionality.
28

Potlačovač echa podle doporučení G.168 / Echo suppressor according to G.168 recommendation

Lajtkep, Tomáš January 2011 (has links)
This master’s thesis deals with conditions and procedures of testing network echo cancellers according to recommendation ITU-T G.168. The point of it’s interest is design of test application which will perform the objective testing their basic and extended features in MATLAB. Theoretical section is concentrated on declaration the ground of echo cancellers and conditions of their testing. Procedures of particular tests follow in next part. The last section designs the testing function which results in entire application which tests submitted canceller and in chosen file write out the report and is also able to display results like graph.
29

Detekce kyslíku pomocí senzoru plynů / Oxygen detection using gas sensor

Jelínek, Tomáš January 2012 (has links)
In this master´s thesis various types of gas sensors, their characteristics, principle, active layer and structure are described. This work is focused on semiconductor gas sensors. In the experimental part gas test station is used to measure the main characteristic of commercial sensor Figaro TGS 822 and own SnO2 gas sensors and reaction to oxygen. Both sensors and measurement results are compared with each other.
30

Simulovaná rozhraní testovací stanice avioniky / Simulated interfeace of test bench

Gabriel, Petr January 2014 (has links)
This thesis describes the design of solution for remote management and control of Honeywell Primus EPIC avionics test bench. The thesis also describes avionics, test bench, specifications and data transfer via RS-422 bus and ARINC 429.

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