National Instruments 1191 用户手册
Glossary
G-2
ni.com
D
DAQ
data acquisition
dB
decibel
DC
direct current
device
a plug-in board, card, or pad that can contain multiple channels and
conversion devices. Some examples of devices are computers,
multimeters, multiplexers, oscillators, operator interfaces, and
counters.
conversion devices. Some examples of devices are computers,
multimeters, multiplexers, oscillators, operator interfaces, and
counters.
digital multimeter
a multifunction meter used to make measurements such as voltage, current,
resistance frequency, temperature, and so on
resistance frequency, temperature, and so on
DMM See digital multimeter
drivers/driver software
software that controls a specific hardware device such as a switch card
H
Hz
hertz—the number of scans read or updates written per second
I
isolation
a measure of the amount of cross-talk between channels
IVI
Interchangeable Virtual Instrument
in.
inches
M
MB
megabytes of memory
multiplexer
a switching device with multiple inputs that sequentially connects each
of its inputs to its output, typically at high speeds, in order to measure
several signals with a single analog input channel
of its inputs to its output, typically at high speeds, in order to measure
several signals with a single analog input channel