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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The properties of ultrasonic equipment for directional messages transmission
 Klíma, Martin ; Král, Michal (referee) ; Bajer, Arnošt (advisor)
In work are under examination properties of equipment for spatially selective propagation of acoustic signal with usage ultrasonic carrying frequency. Further is shown summary accessible informations about this problems. Part of work includes analysis of possibility low-cost realization of such equipment.
Detailed record
The properties of ultrasonic equipment for directional messages transmission
 Klíma, Martin ; Král, Michal (referee) ; Bajer, Arnošt (advisor)
In work are under examination properties of equipment for spatially selective propagation of acoustic signal with usage ultrasonic carrying frequency. Further is shown summary accessible informations about this problems. Part of work includes analysis of possibility low-cost realization of such equipment.
Detailed record

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