【摘要】 在地震资料反演过程中，初始模型的选择很重要。本文将初始模型作为一个独立的数据单元，通过在初始模型和地震道之间加权来定义目标函数，并用约束共轭梯度法求解。本方法对初始模型的精度要求低，运算速度快。文中给出了有井时和无井时的资料处理流程。数值模型和实际资料处理证明该方法具有一定的应用价值。更多还原

【Abstract】 It is vcry important to choosc an initial modcl in the proccss of scislnic invcrsion. in this paperwe take initial model as a indcpcndcnt data unit. definc objectivc function through weightingbetween the initial model and the scismie traccs, and find thc solutjons by constraincd conjugategradient method. This inversion method inposcs no strict rcstrictions on the accuracy of the initialmodel and has fast computation specd. We present in the paper the data procoss ing floweharts bothwith wells and without wells. The numerical model and the practical data proccssing shows thatthis method is very useful in our work.更多还原