NMO
abbr. 海军管理局(Naval Management Office);长崎海洋气象台(Nagasaki Marine Observatory);正常时差(Normal Move-out)
2026-04-13 20:33 浏览次数 25
abbr. 海军管理局(Naval Management Office);长崎海洋气象台(Nagasaki Marine Observatory);正常时差(Normal Move-out)
NMO curve正常时差曲线
NMO stretching动校正拉伸
nmo methodhmo法
residual NMO剩余正常时差
partial NMO部分动校正
linear NMO线性动校正
NMO校正nmo correction
NMO速度NMO velocity
nmo stretch动校正拉伸
These results give us the evidence to use the amplitude and NMO velocity difference for parameter inversion in fractured media.
这些结果为运用地震波的方位振幅和方位动校正速度差异进行裂缝参数反演提供了依据。
The conventional velocity analysis does not consider the influence of the NMO velocity varying with offset, making the results not ideal, leading to a poor stacking and migration imaging.
由于动校正速度是随偏移距变化而变化的,而常规速度分析并没有考虑这一因素,动校正效果往往不是很理想,从而影响资料的叠加和成像效果。
This paper deals with two problems, nonzero -offset Fresnel zone in homogeneous media, and the effect of velocity error resulted in NMO correction and stacking on vertical resolution.
本文讨论了均匀介质情况下非零炮检距菲涅耳带和动校、叠加中速度误差对纵向分辨率的影响这两个问题。
The stacking of some near-offset traces avoids NMO correction stretching distortion on far traces;
采用部分近偏移距道叠加,避免出现远道动校正拉伸畸变;
The NMO results of theoretical records showed above mentioned NMO results of four fittings are superior to that by four-order curve fitting.
上述四种拟合方式的动校正结果优于四次曲线拟合方式动校正结果。
The stretch of the NMO in the seismic data processing reduced the resolution of the seismic section. This effect isn 「t ascribed to NMO but to offset itself because of the different resolution.」
在多次覆盖水平叠加处理中,因为不同炮检距道的垂向分辨率不同,使得动校拉伸后地震剖面的垂向分辨率降低。
The precision of stack velocity and interval velocity provided by common NMO correction processing method can't meet the need of predicting the pre-drilling press.
常规动校正处理方法提供的叠加速度及层速度精度不能满足鉆前压力预测的需要。
Floating datum method is divide the static of relative fixed datum into two parts that are applied to seismic data before and after NMO respectively and the division is done on CMP gather.
浮动基準面方法是将相对固定基準面的一份静校正量分解成两部分,并分别在动校正前、后应用的一种处理手段,这种分解是以CMP道集为单位的。
It will obtain the NMO velocity error after calculating each time window in accordance with surface consistent principle.
经过计算分别获得各个时窗内动校正速度误差,而静校正量的计算仍然遵循地表一致性原则。
The authors introduce many NMO methods and analyse their advantages and disadvantages in allusion to disadvantages.
介绍并分析了目前所使用的各动校正方法及其优缺点。
The method utilizes all the CMP and CCP angle gathers after NMO to build multi-wave & multi-parameter joint inversion equation and calculate the lithologic parameters of interval.
该方法利用动校正后的CMP及CCP全部角道集,建立多波多参数联合反演方程,进而求解出目的层段的巖性参数。
On that basis, the methods for three-parameter velocity analysis and NMO of converted wave have been formed.
在此基础上,形成了转换波三参数速度分析及动校正方法。
Our case provides an opportunity to review the diagnostic criteria of NMO and its distinction from other autoimmune and demyelinating conditions.
我们的案例提供了一个机会,审查的诊断标準的区别吗啉和其他自身免疫性和脱髓鞘条件。
On that bases, the paper presented using space-time (filtering) stack approach to realize approaching to true NMO stack.
在此基础上,提出了利用空间—时间(滤波)叠加法实现向真动校正叠加的逼近。
This kind of DMO correction can be performed before or after NMO correction.
这种叠前部分偏移的DMO校正可以在动校正之后进行,也可在动校正之前进行。
Then the formula for calculating NMO correction stretching coefficient is derived, and the basic criterion for offset choice is defined.
在此基础上,文中导出了动校正拉伸系数公式,提出了井源距选择的基本原则。
Corelation between iron content and age, course of disease, EDSS scores, episodes were analyzed in NMO group.
并分析NMO患者脑铁含量与年龄、病程、EDSS评分和复发次数的相关性。
The method of residual normal moveout analysis for multiple is based no NMO correction of CMP gather.
多次波的剩余时差分析法是在CMP道集动校正基础上进行的。
It is illustrated how we remove big-angle incident seismic data and excessive NMO correction stretching.
并以实例说明,大角度入射资料的切除以及大动校正拉伸量切除的方法和效果。