A WIDELY CONVERGENT GENERALIZED PULSE-SPECTRUM TECHNIQUE FOR THE COEFFICIENT INVERSE PROBLEM OF DIFFERENTIAL-EQUATIONS

A new algorithm of the generalized pulse-spectrum technique (GPST) is constructed for the solution of coefficient inverse problems of differ ential equations, and a skill of saving computational cost is designed in choosing regularizing parameters. To overcome the defect of the lo cal convergence of the GPST, a widely convergent GPST is illustrated N umerical simulations are carried out for solving the inverse problem o f 1 - D seismic Prospection to test the feasibility without real measu rement data. The computational results show the method's effectiveness . (C) Elsevier Science Inc., 1997