全波动方程虚谱法偏移
林小竹,辛向中
摘要(Abstract):
利用傅里叶变换求取空间微商的方法通常叫虚谱法。本文在参考了国内外有关虚谱法文献的基础上,简明地介绍了在二维介质中用虚谱法进行全声波波动方程偏移的原理和实现方法,并附有程序框图。根据此方法原理,具体计算了点脉冲记录的偏移脉冲响应和两个理论模型的正演以及偏移结果。通过模拟与偏移结果的分析,充分表明了虚谱法在模拟与偏移中的有效性和优越性。
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基金项目(Foundation):
作者(Author): 林小竹,辛向中
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