Underwater target detecting and positioning method based on grassland wolf jump tracking mechanism

The invention belongs to the field of underwater target positioning, and relates to an underwater target electromagnetic positioning method in a complex marine environment. According to the technical scheme, a grassland wolf jump tracking mechanism is designed to achieve electromagnetic positioning of the underwater target in the complex marine environment, firstly, external ellipsoid form equivalence is conducted on the underwater target in any irregular shape, the overall underwater target is equivalent to a uniform rotating ellipsoid magnetic source, the two ends of the long axis of the underwater target are equivalent to double electric dipole sources, and the two ends of the long axis of the underwater target are equivalent to double electric dipole sources; an inversion error loss function of the double-electric dipole source and the uniform rotating spheroid magnetic source is established according to the superposed electromagnetic component about the double-electric dipole source and the magnetic fiel