Quasi-analog Signal
In
telecommunication
, a
quasi-analog signal
is a
digital signal
that has been converted to a form suitable for
transmission
over a specified analog
channel
.
Note:
The
specification
of the analog channel should include
frequency range
,
bandwidth
,
signal-to-noise ratio
, and
envelope delay distortion
. When quasi-analog form of
signaling
is used to convey
message
traffic
over
dial-up
telephone
systems, it is often referred to as voice-
data
. A
modem
may be used for the conversion process.
Source:
From
Federal Standard 1037C
and from
MIL-STD-188
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