Magnetic graph dynamic construction system and method for space magnetic heterogeneity object change

The invention relates to the field of magnetic graph dynamic construction, and discloses a magnetic graph dynamic construction system and method for space magnetic anomaly object change. The invention discloses a magnetic graph dynamic construction system for spatial magnetic anomaly object change. The system comprises a signal front-end processing module and a data rear-end processing module, the signal front-end processing module is used for detecting different magnetic foreign objects in a space and comprises a signal control module, a signal preprocessing module, a signal transmitting module, a signal acquisition module, an analog-to-digital conversion module, a data storage module and a power supply module; and the data rear-end processing module is used for generating a magnetic field image of the magnetic foreign object in the space, visualizing the magnetic field image and displaying the magnetic field image through a screen, and comprises a data processing module and a display module. The system is l