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prestack
叠前
常用释义
词性释义
叠前
例句
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Though
wave
equation
prestack
migration
produces
higher
quality
images
,
it has not been widely used
in
practice
due
to
its
low
efficiency
.
波动方程法叠前深度偏移成像精度高，但由于效率低而难以在实际生产中推广应用。
The
prestack
inversion
can
provide
many
attributes
,
but
it has a disadvantage
of
large
amount
of
calculation
.
而叠前反演能够提供较多的属性参数，但运算量巨大。
The authors illustrated in
detail
the
process
of
3D
prestack
Kirchhoff
time
migration
from
the
point
of
application
.
从应用的角度较详细地论述了三维叠前克希霍夫时间偏移的过程。
Prestack
reverse
time
migration
requires
computing
the
first
breaks
time
of
imaging
points
.
叠前逆时偏移需要计算成像点的初至时间。
These
noises
manifest
certain
behaviors
,
thus
can
be
suppressed
according to the
properties
of the
prestack
gathers
.
这些噪音具有某些特殊的规律，可以利用叠前某种道集的特性进行压制。
Outliers
,
random
noises
,
and
some
coherent
noises
(
e. g.
multiples
)
are
the
noises
typically
existing
in
prestack
gathers
.
叠前道集中存在的野值、随机噪音以及某些弱相干噪音（如多次波）是典型的叠前噪音。
A
combination
of
prestack
and post stack
hybrid
seismic
inversion
in
exploring areas with
sparse
or
no
well
control was
presented
.
介绍了一种在无井或少井情况下的叠前叠后混合地震反演方法。
The
theory
and
practice
prove
that
prestack
depth
migration
is
the
most
accurate
imaging
method
of
seismic
wave
field
at
present
.
理论和实践证明，三维叠前深度偏移是目前最精确的地震波场成像方法。
The
interpretation
precision
of
target
horizon by
using
prestack
depth
migration
data
is high com pared to
real
drilling
.
利用叠前深度偏移资料解释的目的层层位，与实钻结果差异较小。
In
order
to
improve
the
imaging
quality
of
sandy
conglomeratic
body
,
prestack
time
migration
was used
in
this
area
.
为了使砂砾岩体的成像效果更加理想，在该区进行了叠前时间偏移应用研究。
网络释义
重合前
Headwave：
重合前
(
prestack
)资料处理 Mercury Computer Systems：3D资料视觉化 SeismicCity：重合前深度移位的3D地震 …