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Checking the presence of a letter in the mailbox
Hůževka, Ondřej ; Burian, František (referee) ; Chromý, Adam (advisor)
This thesis contains analysis and development of solutions for checking the presence of a letter in the mailbox. In the theoretical part of the thesis there is an analysis of commercially available solutions on the Czech and foreign markets, followed by an analysis of methods and sensors suitable for letter detection in mailbox. On the basis of the theoretical part, the design concept of the solution and the physical construction of the prototype of the proposed system are described. The work also includes a description of the device's communication with the server and the development of the software. The last part of the text is devoted to the theoretical calculation of power consumption, estimation of the device battery life, testing of the device and suggestions for improvement.
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Heart rate measurement
Danielová, Tereza ; Veselý, Petr (referee) ; Chmelař, Milan (advisor)
Bachelor’s thesis deals with measurement of heart rate, its monitoring and evaluation which is relevant for the diagnosis of cardiac dysfunction. The first part describes the anatomy of heart and its activity. In the next part is further mention of the heart rhythm and its disorders. In the bachelor thesis is described several methods that are used in the evaluation of heart rate. The next part deals with the description of the device for scanning heart rate and description of the virtual instruments in LabVIEW.
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Desing of noncontact speed meter
Benda, Tomáš ; Krejčí, Petr (referee) ; Krejčí, Petr (referee) ; Vlach, Radek (advisor)
My bachelor’s thesis discusses the design and realization of the contactless revolution counter. Design of the revolution counter has been based on the background research which discusses particular sensors and methods of contactless revolution counting. The measuring itself is provided by a PCI card Acquitek and a numerical computing environment and programming language Matlab. This programming language has been used to develop a simple graphic user interface. The revolution counter has been calibrated by photoelectric contactless measuring instrument CB-2234B.
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Desing of noncontact speed meter
Benda, Tomáš ; Krejčí, Petr (referee) ; Krejčí, Petr (referee) ; Vlach, Radek (advisor)
My bachelor’s thesis discusses the design and realization of the contactless revolution counter. Design of the revolution counter has been based on the background research which discusses particular sensors and methods of contactless revolution counting. The measuring itself is provided by a PCI card Acquitek and a numerical computing environment and programming language Matlab. This programming language has been used to develop a simple graphic user interface. The revolution counter has been calibrated by photoelectric contactless measuring instrument CB-2234B.
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Heart rate measurement
Danielová, Tereza ; Veselý, Petr (referee) ; Chmelař, Milan (advisor)
Bachelor’s thesis deals with measurement of heart rate, its monitoring and evaluation which is relevant for the diagnosis of cardiac dysfunction. The first part describes the anatomy of heart and its activity. In the next part is further mention of the heart rhythm and its disorders. In the bachelor thesis is described several methods that are used in the evaluation of heart rate. The next part deals with the description of the device for scanning heart rate and description of the virtual instruments in LabVIEW.
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