Now the research of iterative regularization methods for ill-posed problems is a hot issue for the study in the inverse problem of mathematical physics. There are a lot of ill-posed problems in physics, biology, medicine, geology and engineering technology. For example, parameter identification problems, nonlinear ill-posed Hammerstein integral equation, the solution for the first kind of Fredholm integral equation and so on. While the solution of the ill-posed problem is facing a serious problems that the ...