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公开(公告)号：US11940580B2
公开(公告)日：2024-03-26
申请号：US16598442
申请日：2019-10-10
发明人： Stephen Brown , Thomas Szabo , Daniel R. Burns , Michael Fehler
CPC分类号： G01V1/284 , G01V3/083 , G01V3/12 , G01V3/36 , G01V2003/084 , G01V2003/085 , G01V2003/086
摘要： A system for near-surface geophysical subsurface imaging for detecting and characterizing subsurface heterogeneities comprises an instrument that outputs probing electromagnetic signals through a ground surface that interact and are affected by scattered signals of acoustic waves that travel through the ground surface and further senses vibrational modes of a subsurface below the ground surface; an imaging device that dynamically generates a time sequence of images of properties of the acoustic waves and maps elastic wave fields of the acoustic waves; and a processor that analyzes dynamic multi-wave data of the images to quantify spatial variations in the mechanical and viscoelastic properties of the subsurface.
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公开(公告)号：US11841265B2
公开(公告)日：2023-12-12
申请号：US16598468
申请日：2019-10-10
发明人： Stephen Brown , Thomas Szabo , Daniel R. Burns , Michael Fehler
CPC分类号： G01H9/002 , G01S13/86 , G01S13/885 , G01V1/003 , G01V3/12 , G01V11/00 , G01V2210/1299
摘要： A system for near-surface subsurface imaging for detecting and characterizing subsurface heterogeneities comprises a non-contact acoustic source that senses a plurality of acoustic waves that travel through a surface; an instrument that outputs probing electromagnetic signals through the surface that interact and are affected by scattered signals of the acoustic waves and further senses vibrational modes of a subsurface below the surface; an imaging device that dynamically generates a time sequence of images of properties of the acoustic waves and maps elastic wave fields of the acoustic waves; and a processor that analyzes dynamic multi-wave data of the images to quantify spatial variations in the mechanical and viscoelastic properties of the subsurface.
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