National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Virtual instrument for experimental ultrasonic measurement
Dufek, Ladislav ; Harabiš, Vratislav (referee) ; Kolář, Radim (advisor)
This bachelor’s thesis is about usage the virtual instrument created in LabVIEW environment for measurement of ultrasonic transducers and for resulting signal scanning. It briefly describes the basics of ultra acoustic and the principles of piezoelectric transducers. Then problematic of generation and scanning signals using cards National Instruments NI-PCI 5401 and NI-PCI 5102 are explained. Subsequently an instrument is designed. This instrument is used for experimental measurement at 4 pcs engineering samples of ultrasound transducers, is painted the frequency response characteristic and determines frequency of resonance.
Virtual instrument for experimental ultrasonic measurement
Dufek, Ladislav ; Harabiš, Vratislav (referee) ; Kolář, Radim (advisor)
This bachelor’s thesis is about usage the virtual instrument created in LabVIEW environment for measurement of ultrasonic transducers and for resulting signal scanning. It briefly describes the basics of ultra acoustic and the principles of piezoelectric transducers. Then problematic of generation and scanning signals using cards National Instruments NI-PCI 5401 and NI-PCI 5102 are explained. Subsequently an instrument is designed. This instrument is used for experimental measurement at 4 pcs engineering samples of ultrasound transducers, is painted the frequency response characteristic and determines frequency of resonance.

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