三维地震及其叠前深度偏移技术及软件系统的研究、开发和应用取得显著成效。
Remarkable achievements were obtained in the research, development and application of three dimensional seismic exploration and its depth migration before stack technique as well as software system.
使用PVM编程，将串行的三维叠后深度偏移软件，在SP2上实现了并行化，获得了理想的并行效率和可扩展性。
We have realized the parallelization of 3-D post-stack depth migration software on SP2 with PVM, and gained ideal parallel efficiency and scalability.
垂直和水平木板通过偏移创建出三维空间，为物品提供各种不同的高度和深度。
The vertical and horizontal planks are offset to create a three dimensional composition providing a variety of shelf heights and depths.
三维波动方程叠前深度偏移是复杂介质中进行构造成像、弹性参数反演的重要环节。
The 3-D wave equation prestack depth migration is one of the most important techniques in the structure imaging and the inversion of elastic parameters of complex media.
针对波动方程叠前深度偏移中重要的速度模型问题，研究了一套三维速度建模方法和软件。
Taking aim at solving the important velocity model problem in wave equation pre-stack depth migration, This paper studies the method and software of building 3d migration velocity model.
本文讨论了倾斜平界面的表现形态和法向深度剖面的三维偏移归位公式，同时研究了二步法三维偏移。
This paper discusses the appearance of dipping plane interface and the formula of 3d migration for normal depth section and 3d migration in two steps.
波动方程偏移保持了波场动力学特征，依此本文应用共方位角叠前深度偏移技术来实现二维资料三维化处理。
Wave equation migration can preserve the kinetic characteristics of wave field, so this paper applies common-azimuth prestack depth migration technology to realize 3D process for 2D seismic data.
具有独特的速度建模、叠前深度偏移成像、高效并行计算、三维可视化和性能优化等特色技术。
Accurate velocity model building, advanced PSDM, high efficient parallel computing, 3-d visualization and performance optimization are characteristic techniques.
具有独特的速度建模、叠前深度偏移成像、高效并行计算、三维可视化和性能优化等特色技术。
Accurate velocity model building, advanced PSDM, high efficient parallel computing, 3-d visualization and performance optimization are characteristic techniques.
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