MALA Easy Locator HDR, Руководство пользователя

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Glossary
A
Auto-Gain
Similar to Time-Gain except the software decides the coefficients to be applied to give a
response across the depth range without over amplifying the trace.
B
background removal
Background removal is used to remove horizontal and nearly horizontal features in the
radargram by subtracting a calculated mean trace from all traces, sample by sample. It
can be useful for removing the direct air wave (first arrival) or ringing (due to poor ground
conditions) from the data. Care must be taken in this process not to remove real linear
features from the data.
D
DGPS
Differential GPS, uses satellites and a correction from a reference station/satellite,
accuracy around ± 0.5-2 m. The available systems for the Easy Locator are currently
EGNOS (Europe), WAAS (USA), GAGAN (India) and MSAS (Japan).
Differential GPS (DGPS)
Differential GPS, uses satellites and a correction from a reference station/satellite,
accuracy around ± 0.5-2 m. The available systems for the Easy Locator are currently
EGNOS (Europe), WAAS (USA), GAGAN (India) and MSAS (Japan).
G
Glossary term
Example
GPR profile
Individual line of GPR data represented in a cross-sectional (profile) view of the sub-
surface.