SPECTRAL ANALYSIS OF SURFACE WAVES TO DETECT SUBSURFACE VOIDS

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专利权人:

The Curators of the University of Missouri

发明人:

Hajiani Payman,Anderson Neil L.,Rogers J. David

申请号：

US201715722711

公开号：

US2018100947(A1)

申请日:

2017.10.02

申请国别(地区):

美国

年份:

2018

代理人:

摘要：

Systems and methods for detecting a subsurface cavity. A source applies a force to ground under inspection and a plurality of sensors coupled to the ground detect resulting surface waves. A processor is configured to extract phase and frequency components of the acquired seismic data, identify a phase shift in surface waves in the ground under inspection based on the extracted phase and frequency components, and determine one or more physical characteristics of a subsurface cavity based on the identified phase shift.

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中国工程科技知识中心

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