公开(公告)号：US20250155600A1

公开(公告)日：2025-05-15

申请号：US19007493

申请日：2025-01-01

Applicant: Nanjing University of Science and Technology

Inventor： Leixiang BIAN ,  Yuntao ZHANG ,  Yong HE ,  Zhan XU ,  Jie HU ,  Zijun HUANG

IPC: G01V3/10

Abstract: The embodiments of the present application provide a target detection device and method, the target detection device comprises: a signal source, a signal transmission module, a signal output module, a bearing portion and a processing module, the signal transmission module is supplied with a step excitation waveform current, the signal transmission module is induced and generates a first magnetic field, a target to be detected is induced and generates a second magnetic field in the first magnetic field, when the signal source is turned off, the signal output module outputs a voltage signal comprising an oscillating voltage signal for detection in a geomagnetic anomaly detection mode and an attenuated voltage signal for detection in an electromagnetic induction time domain detection mode; the processing module is connected to the signal output module, and is used to process the voltage signal and detect the target based on the first signal feature.