Abstract
In this paper is presented a virtual measurement instrument, which could measure alternative periodic frequency signals (unnecessary' sinusoidal) with a better precision in 40-60Hz, which would use a cheep DAQ board of PCL-LPM-16 type made by National Instrument. This apparatus was realized with LABVIEW programming medium. The results obtained with this apparatus versus the results obtained with a numerical instrument are presented.
Cuvinte cheie
virtual
apparatus
measurement
frequency
acquisition.