National Instruments NI 5102 用户手册
Glossary
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switchless device
devices that do not require dip switches or jumpers to configure resources
on the devices—also called Plug and Play devices
on the devices—also called Plug and Play devices
synchronous
(1) hardware—a property of an event that is synchronized to a reference
clock (2) software—a property of a function that begins an operation and
returns only when the operation is complete
clock (2) software—a property of a function that begins an operation and
returns only when the operation is complete
system noise
a measure of the amount of noise seen by an analog circuit or an ADC when
the analog inputs are grounded
the analog inputs are grounded
system RAM
RAM installed on a personal computer and used by the operating system,
as contrasted with onboard RAM
as contrasted with onboard RAM
T
T/H
track-and-hold—a circuit that tracks an analog voltage and holds the value
on command
on command
TC
terminal count—the highest value of a counter
TDC
time-to-digital converter
time constant
a measure of a system’s response time
transfer rate
the rate, measured in bytes/s, at which data is moved from source to
destination after software initialization and set up operations; the maximum
rate at which the hardware can operate
destination after software initialization and set up operations; the maximum
rate at which the hardware can operate
TRIG
a trigger channel
trigger
any event that causes or starts some form of data capture
trigger hold-off
a signal processing technique that lets you specify a time from the trigger
event to ignore additional triggers that fall within that time
event to ignore additional triggers that fall within that time
TTL
transistor-transistor logic