]*>","")" /> 由于波响应反演声阻抗的特征带方法

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由于波响应反演声阻抗的特征带方法

张宇,张关泉   

  1. 中国科学院计算数学与科学工程计算研究所!科学与工程计算国家重点实验室,中国科学院计算数学与科学工程计算研究所!科学与工程计算国家重点实验室
  • 出版日期:1997-04-14 发布日期:1997-04-14

张宇,张关泉. 由于波响应反演声阻抗的特征带方法[J]. 计算数学, 1997, 19(4): 385-398.

THE CHARACTERISTIC BAND METHOD FOR ACOUSTIC IMPEDANCE INVERSION

  1. Zhang Yu;Zhang Guan-quan (State Key Laboratory of Scientific and Engineering Computing,Institute of Computational Mathematics and Scientific/Engineering Computing,Chinese Academy of Sciences, Beijing)
  • Online:1997-04-14 Published:1997-04-14
In this paper, we study the acoustic impedance inversion of 1-dimensional wave equation excited by a wavelet. In order to avoid the ill-posedness, a stable method,which we call the characteristic band method, is constructed, and then used as the preconditioner in optimal inversion to increase the speed of convergence.
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