National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Dualband circularly polarized antenna for VHF and UHF band
Urbánek, Tomáš ; Šebesta, Jiří (referee) ; Lukeš, Zbyněk (advisor)
The project is focused on the dualband circularly polarized antenna, which is designed for receiving amateur radio frequencies income 145 and 435 MHz. First the work describes the principles of the antennas, then it focuses on the design and simulation. The antenna is simulated in the program 4nec2 and CST MICROWAVE STUDIO.
Gateway for monitoring maritime transport
Fučík, Stanislav ; Číž, Radim (referee) ; Musil, Petr (advisor)
This thesis addressed the monitoring of maritime traffic. The aim was to evaluate current solutions in the field of maritime traffic monitoring and to design and create new solution. The proposed solution is powered by solar panels and Li-Ion batteries. For sending data, satellite and mobile connections is be used. As a source of information about position GPS is used. The monitoring unit is equipped with sensors for measuring temperature, humidity, acceleration, intrusion of into the container and a detector of the opening door. The unit is resistant to the atmospheric influences prevailing sea and is operational long-term at sea.
Gateway for monitoring maritime transport
Fučík, Stanislav ; Číž, Radim (referee) ; Musil, Petr (advisor)
This thesis addressed the monitoring of maritime traffic. The aim was to evaluate current solutions in the field of maritime traffic monitoring and to design and create new solution. The proposed solution is powered by solar panels and Li-Ion batteries. For sending data, satellite and mobile connections is be used. As a source of information about position GPS is used. The monitoring unit is equipped with sensors for measuring temperature, humidity, acceleration, intrusion of into the container and a detector of the opening door. The unit is resistant to the atmospheric influences prevailing sea and is operational long-term at sea.
Dualband circularly polarized antenna for VHF and UHF band
Urbánek, Tomáš ; Šebesta, Jiří (referee) ; Lukeš, Zbyněk (advisor)
The project is focused on the dualband circularly polarized antenna, which is designed for receiving amateur radio frequencies income 145 and 435 MHz. First the work describes the principles of the antennas, then it focuses on the design and simulation. The antenna is simulated in the program 4nec2 and CST MICROWAVE STUDIO.

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