Glossary
NIPXI-562x User Manual G-4 ©NationalInstruments Corporation
drivers software that controlsa specific hardware instrument
DSP digital signal processor
E
EEPROM electrically erasable programmabler ead-only memory—ROMthat can be
erased with an electricalsignal and reprogrammed
F
FFT fast Fourier transform
filtering atype of signal conditioning that allows you to remove unwanted signals or
frequencycomponen tsf rom the signal you are trying to measure
G
gain the factor by which a signal is amplified, sometimes expressed in decibels
H
hardware the physical components of a computer system, such as the circuit boards,
plug-in boards, chassis, enclosures, peripherals,cables, and so on
harmonics multiplesof the fundamental frequency of a signal
Hz hertz—the number of scansr eado r updatesw ritten per second
I
I/O input/output—the transfer of data to/from a computer system involving
communications channels, operatorinterface devices, and/or data
acquisitiona nd controli nterfaces
impedance resistance
in. inch or inches
inductance the relationship of induced voltageto current