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Modeling of electromagnetic field propation in tunnels
Géze, Daniel ; Motl, Milan (oponent) ; Štumpf, Martin (vedoucí práce)
The submitted master’s thesis aims at the numerical analysis of electromagnetic-wave propagation in tunnels. To this end, an integral-equation formulation has been formulated and numerically solved with the aid of the boundary-element method (BEM). The experimental in-house Matlab implementation shows promisingly low computational demands with respect to the traditional direct-discretization approaches. Sample numerical examples of the electromagnetic-field distribution for various tunnel profiles are given. Validation and post-processing procedures are done by means of a simplified analytical model. The influence of the tunnel profile and its impedance-wall properties on the resulting electromagnetic-field distribution inside a tunnel is demonstrated on numerical examples.
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Programmable IR receiver
Géze, Daniel ; Frýza, Tomáš (oponent) ; Fedra, Zbyněk (vedoucí práce)
The aim of this bachelor thesis is design and realization of solutions for hardware and software programmable IR receiver. IR receiver is actually a logic programmable automat, which responds to commands from the remote broadcast communications protocol RC6 designed by Philips. Codes of these commands can be assigned to different actions. Using the configuration application in PC by any code of buttons it is possible to order firmly programmed codes in a flexible management processor Cypress (CY8C29466). Configuration software for the PC has been created by using the python programming language. The main purpose of this device is helping for the handicapped people.
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Programmable IR receiver
Géze, Daniel ; Frýza, Tomáš (oponent) ; Fedra, Zbyněk (vedoucí práce)
The aim of this bachelor thesis is design and realization of solutions for hardware and software programmable IR receiver. IR receiver is actually a logic programmable automat, which responds to commands from the remote broadcast communications protocol RC6 designed by Philips. Codes of these commands can be assigned to different actions. Using the configuration application in PC by any code of buttons it is possible to order firmly programmed codes in a flexible management processor Cypress (CY8C29466). Configuration software for the PC has been created by using the python programming language. The main purpose of this device is helping for the handicapped people.
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Programmable IR receiver
Géze, Daniel ; Frýza, Tomáš (oponent) ; Fedra, Zbyněk (vedoucí práce)
The aim of this bachelor thesis is design and realization of solutions for hardware and software programmable IR receiver. IR receiver is actually a logic programmable automat, which responds to commands from the remote broadcast communications protocol RC6 designed by Philips. Codes of these commands can be assigned to different actions. Using the configuration application in PC by any code of buttons it is possible to order firmly programmed codes in a flexible management processor Cypress (CY8C29466). Configuration software for the PC has been created by using the python programming language. The main purpose of this device is helping for the handicapped people.
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|
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Modeling of electromagnetic field propation in tunnels
Géze, Daniel ; Motl, Milan (oponent) ; Štumpf, Martin (vedoucí práce)
The submitted master’s thesis aims at the numerical analysis of electromagnetic-wave propagation in tunnels. To this end, an integral-equation formulation has been formulated and numerically solved with the aid of the boundary-element method (BEM). The experimental in-house Matlab implementation shows promisingly low computational demands with respect to the traditional direct-discretization approaches. Sample numerical examples of the electromagnetic-field distribution for various tunnel profiles are given. Validation and post-processing procedures are done by means of a simplified analytical model. The influence of the tunnel profile and its impedance-wall properties on the resulting electromagnetic-field distribution inside a tunnel is demonstrated on numerical examples.
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