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UHF RFID tag emulator
Janošík, Tomáš ; Zamazal, Michal (referee) ; Vychodil, Josef (advisor)
This thesis deals with the design of external backscatter modulator for RFID tag emulator, which is used in UHF band. This modulator is connected with the Universal Software Radio Peripheral and antenna. Realization of a backscatter modulation contains switching between a matched load and an unmatched load. Impedance of the unmatched load is continuously adjustable. Result of this thesis is function prototype.
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Aerodynamic analysis of the Aircar 5.0 flying car prototype
Jánošík, Tomáš ; Jebáček, Ivo (referee) ; Popela, Robert (advisor)
This thesis focuses on CFD analysis of the Aircar 5.0 flying car prototype. The theoretical part covers basic information about the connection between the aerodynamics of airplanes and cars as well as cars themselves. The computational part begins with the calibration of the mathematical model, continues with the CFD simulations, which have the role to determine basic aerodynamic characteristics of the Aircar in vehicle mode. There are several configurations tested to find out their influence on aerodynamic stability and their advantages and disadvantages are summed up in the conclusion chapter.
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HVAC unit for optical head
Janošík, Tomáš ; Šotner, Roman (referee) ; Kincl, Zdeněk (advisor)
This thesis deals with the design of a HVAC unit for temperature regulation inside an optical head. The unit is completed by functions which optimize its reliability such as checking of fan, heating element, monitoring a supply voltage and saving operating information into the memory. The device communicates with PC via serial interface RS-485. There is also described the possibility to switch the unit to a manual mode, in which the temperature interval is setting by a potentiometers. Solution of this thesis is function prototype.
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Aerodynamic analysis of the Aircar 5.0 flying car prototype
Jánošík, Tomáš ; Jebáček, Ivo (referee) ; Popela, Robert (advisor)
This thesis focuses on CFD analysis of the Aircar 5.0 flying car prototype. The theoretical part covers basic information about the connection between the aerodynamics of airplanes and cars as well as cars themselves. The computational part begins with the calibration of the mathematical model, continues with the CFD simulations, which have the role to determine basic aerodynamic characteristics of the Aircar in vehicle mode. There are several configurations tested to find out their influence on aerodynamic stability and their advantages and disadvantages are summed up in the conclusion chapter.
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HVAC unit for optical head
Janošík, Tomáš ; Šotner, Roman (referee) ; Kincl, Zdeněk (advisor)
This thesis deals with the design of a HVAC unit for temperature regulation inside an optical head. The unit is completed by functions which optimize its reliability such as checking of fan, heating element, monitoring a supply voltage and saving operating information into the memory. The device communicates with PC via serial interface RS-485. There is also described the possibility to switch the unit to a manual mode, in which the temperature interval is setting by a potentiometers. Solution of this thesis is function prototype.
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UHF RFID tag emulator
Janošík, Tomáš ; Zamazal, Michal (referee) ; Vychodil, Josef (advisor)
This thesis deals with the design of external backscatter modulator for RFID tag emulator, which is used in UHF band. This modulator is connected with the Universal Software Radio Peripheral and antenna. Realization of a backscatter modulation contains switching between a matched load and an unmatched load. Impedance of the unmatched load is continuously adjustable. Result of this thesis is function prototype.
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