Abstract:For the ferromagnetic materials inversion problems under the effects of remanent magnetization, we propose a method based on the focus regularized inversion method based on normalized source strength. First, we use normalized source strength as measured data to make the target inversion to weaken the influence of the remanent magnetization on the inversion results. Then, depth weighting matrix and minimal support matrix are added to the inversion model of Tikhonov regularization theoretical framework to obtain the objective function. This avoids the multiple results caused by the inversion problem caused by the number of inverse parameters being greater than observational points and effectively solves the kernel function. Finally, this function calculates the optimal physical parameters by singular value decomposition. We apply the Morozov deviation principle to adaptively determine the regularization parameter in the iterative process, increasing the iterative speed and the solution accuracy.