National Instruments NI 5102 用户手册
Glossary
© National Instruments Corporation
G-9
G
gain
the factor by which a signal is amplified, sometimes expressed in decibels
gain accuracy
a measure of deviation of the gain of an amplifier from the ideal gain
GND
ground signal
grounded
measurement system
measurement system
see
H
h
hour
half-flash ADC
an ADC that determines its output code by digitally combining the results
of two sequentially performed, lower-resolution flash conversions
of two sequentially performed, lower-resolution flash conversions
half-power
bandwidth
bandwidth
the frequency range over which a circuit maintains a level of at least –3 dB
with respect to the maximum level
with respect to the maximum level
hardware
the physical components of a computer system, such as the circuit boards,
plug-in boards, chassis, enclosures, peripherals, cables, and so on
plug-in boards, chassis, enclosures, peripherals, cables, and so on
hex
hexadecimal
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
communications channels, operator interface devices, and/or data
acquisition and control interfaces
IBM
International Business Machines
IC
integrated circuit
ID
identification
IEEE
Institute of Electrical and Electronics Engineers
in.
inches