公开(公告)号：US20220308251A1

公开(公告)日：2022-09-29

申请号：US17431051

申请日：2020-11-17

Applicant: SHANDONG UNIVERSITY

Inventor： Maoxin SU ,  Shucai LI ,  Yimin LIU ,  Yiguo XUE ,  Li GUAN ,  Peng WANG

IPC: G01V3/38 ,  G01N27/04

Abstract: A three-dimensional electrical resistivity tomography method and system belonging to the field of geological geophysical prospecting, the method including the steps of prospecting a region containing a geological anomaly with at least two prospecting modes respectively to acquire two-dimensional resistivity data of a corresponding detection plane; unifying coordinate systems of resistivity data points acquired in all prospecting modes, and extracting data points with the same coordinates; carrying out data fusion on extracted resistivity data at the same position by utilizing a principal component analysis method; and carrying out three-dimensional coordinate conversion on resistivity data acquired after fusion to form a three-dimensional model.

公开(公告)号：US20230003917A1

公开(公告)日：2023-01-05

申请号：US17779816

申请日：2021-06-16

Applicant: SHANDONG UNIVERSITY

Inventor： Shucai LI ,  Yiguo XUE ,  Maoxin SU ,  Chunjin LIN ,  Li GUAN ,  Daohong QIU ,  Zhiqiang LI ,  Yimin LIU ,  Peng WANG ,  Huimin GONG

IPC: G01V8/02

Abstract: A three-dimensional imaging method and system for surface comprehensive geophysical prospecting, the method includes: acquiring detection data of a plurality of two-dimensional profiles of a surface detection site; forming two-dimensional profile resistivity data by geophysical inversion of the detection data; performing three-dimensional coordinate conversion on the two-dimensional profile resistivity data to obtain resistivity data of a three-dimensional coordinate system; and converting the resistivity data of the three-dimensional coordinate system into a three-dimensional model by using a Kriging interpolation method.