National Instruments NI PXI-562X - Manual (Page 27)

Glossary
NI PXI-562x User Manual G-4 © National Instruments Corporation
drivers software that controls a specific hardware instrument
DSP digital signal processor
E
EEPROM electrically erasable programmable read-only memory—ROM that can be
erased with an electrical signal and reprogrammed
F
FFT fast Fourier transform
filtering a type of signal conditioning that allows you to remove unwanted signals or
frequency components from 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 multiples of the fundamental frequency of a signal
Hz hertz—the number of scans read or updates written per second
I
I/O input/output—the transfer of data to/from a computer system involving
communications channels, operator interface devices, and/or data
acquisition and control interfaces
impedance resistance
in. inch or inches
inductance the relationship of induced voltage to current