Chinese Academy of Sciences

Aiming Du

Jing Wang

Zhi Hong Li

Xiao Feng

Ying Zhang

Lin Zhao

Shuquan Sun

Kaixin Yuan

Zhi Li

An offset data acquisition method and device of a fluxgate magnetometer are provided by the present disclosure, wherein the offset data acquisition method of the fluxgate magnetometer comprises: controlling the first analog switch, the second analog switch and the third analog switch to change directions within a preset period to obtain eight switch direction combinations between the first analog switch, the second analog switch and the third analog switch; acquiring magnetic field measurement data corresponding to an each of the switch direction combinations; and the magnetic field measurement data comprises x-axis magnetic field measurement data, y-axis magnetic field measurement data and z-axis magnetic field measurement data; and acquiring the offset data based on influence factors of an offset and the magnetic field measurement data within the preset period.

Method and device for eliminating offset of fluxgate magnetometer

Growing community of inventors

Beijing, China

Aiming Du