公开(公告)号：US20240011825A1

公开(公告)日：2024-01-11

申请号：US18105538

申请日：2023-02-03

Applicant: Tsinghua University

Inventor： Danqing Song ,  Xiaoli Liu ,  Wenfa Yan ,  Guanfu Chen ,  Yufang Zhang ,  Jian Li

IPC: G01H9/00 ,  G01B11/16 ,  G01L1/24

CPC classification number: G01H9/006 ,  G01B11/16 ,  G01L1/242

Abstract: This application discloses a slope detection apparatus and method based on distributed optical fiber sensing. The apparatus includes: optical fiber measuring units arranged inside a slope and configured to measure acceleration time sequences of a plurality of state parameters of the slope; a demodulator, where the demodulator is connected to the optical fiber measuring units and configured to receive the acceleration time sequences of the slope; and a terminal device, where the terminal device is connected to the demodulator and configured to perform multi-domain coupling analysis on the acceleration time sequences so as to generate a feature cloud map of the slope, perform sub-item detection on slope stability state based on the feature cloud map and preset multi-domain feature parameter indexes so as to obtain a sub-item detection result of the state of the slope.