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© 2013 Marine Sonic Technology, Ltd.
NOAA
noise
null point
OTG
overlap
PC
ping
Plotter
port
projector
pulse length
pulse width
RAM
range
range delay
range marker
reflectivity
RGB
ROV
sea clutter
scattering
identifies the source of the data and the
information contained in the data string.
National Oceanographic and Atmospheric
Administration
Extraneous acoustic sound or electrical
waveforms that interfere with the SONAR signal
The location of the antenna of the external
navigation device
Over The Ground
The bottom area covered more than once as the
towfish travels a predetermined pattern or grid
Personal Computer
A single pulse of a SONAR system
A software module that shows track position and
swath coverage
The left side of an object or ship
An device that transforms electrical signals into
sound waves
The length of time that a SONAR unit is
transmitting one pulse
The horizontal width of the SONAR signal from
the transmitter
Random Access Memory
The maximum distance from the transducers
that the SONAR signal can detect usable signals
The distance (or range) the Sea Scan software is
told to delay after pinging before it starts to look
at acoustic returns
A scale reference line shown in the SONAR
window
The strength of the SONAR return off an object
or material
Red/Green/Blue
Remotely Operated Vehicle
The distortion of a reflected SONAR beam that
impacts the water's surface
The diffusion of a SONAR beam in many
directions because of sea conditions; as a result,
the amount of energy available to reflect off an
Glossary
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