Ultrasonic inverse scattering problem in layered madia 層状媒質における超音波逆散乱問題

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著者

    • 劉, 東来 リウ, トンライ

書誌事項

タイトル

Ultrasonic inverse scattering problem in layered madia

タイトル別名

層状媒質における超音波逆散乱問題

著者名

劉, 東来

著者別名

リウ, トンライ

学位授与大学

東京大学

取得学位

工学博士

学位授与番号

甲第9017号

学位授与年月日

1991-03-29

注記・抄録

博士論文

報告番号: 甲09017 ; 学位授与年月日: 1991-03-29 ; 学位の種別: 課程博士 ; 学位の種類: 博士(工学) ; 学位記番号: 博工第2668号 ; 研究科・専攻: 工学系研究科電子工学専攻

目次

  1. CONTENTS / p5 (0007.jp2)
  2. Abstract / p1 (0003.jp2)
  3. 1.Introduction / p1 (0009.jp2)
  4. 1.A brief review of ultrasonic imaging / p1 (0009.jp2)
  5. 2.An overview of the present research / p7 (0016.jp2)
  6. 3.Organization of this dissertation / p9 (0018.jp2)
  7. 2.Inverse Scattering―Various Formulations and Approaches / p12 (0021.jp2)
  8. 1.The wave equation in inhomogeneous media / p12 (0021.jp2)
  9. 2.Solutions based on the Born or the Rytov approximation / p15 (0024.jp2)
  10. 3.One-dimensional forward scattering problem / p19 (0028.jp2)
  11. 4.One-dimensional inverse scattering problem / p27 (0037.jp2)
  12. 5.A summary of the inverse scattering theory / p32 (0042.jp2)
  13. 3.Inverse Scattering in Layered Media / p34 (0044.jp2)
  14. 1.Sound velocity inversion using travel time relationships / p35 (0045.jp2)
  15. 2.Why layered media,and what kind of layered media? / p39 (0049.jp2)
  16. 3.Calculating travel times using geometrical paths / p41 (0051.jp2)
  17. 4.Layered media with horizontal interfaces / p46 (0056.jp2)
  18. 5.Layered media with non-parallel interfaces / p51 (0061.jp2)
  19. 4.Estimation of Pulse Positions / p58 (0068.jp2)
  20. 1.Modelling the reflection from a layered medium / p58 (0068.jp2)
  21. 2.Deconvolution via spectral fitting / p59 (0069.jp2)
  22. 3.Fluctuation of the peak position of cross-correlation function / p64 (0074.jp2)
  23. 4.The influence of various kinds of errors / p67 (0077.jp2)
  24. 5.Computer Simulation / p70 (0080.jp2)
  25. 1.Deconvolution by spectral fitting / p70 (0080.jp2)
  26. 2.The fluctuation of estimated pulse positions / p73 (0083.jp2)
  27. 3.A layered medium with horizontal interfaces,probed by plane waves / p79 (0089.jp2)
  28. 4.A layered medium with horizontal interfaces,probed by spherical waves / p84 (0094.jp2)
  29. 5.A layered medium with non-parallel interfaces,probed by spherical waves / p85 (0095.jp2)
  30. 6.The influence of errorneous pulse positions / p85 (0095.jp2)
  31. 6.Experimental Measurements / p91 (0101.jp2)
  32. 1.The deterioration of image qualities caused by a distortion plate / p91 (0101.jp2)
  33. 2.Compensating for the distortion effect using travel time residuals / p95 (0105.jp2)
  34. 3.A layered medium with horizontal interfaes / p101 (0111.jp2)
  35. 4.A layered medium with non-parallel interfaes / p104 (0114.jp2)
  36. 7.Conclusions and Prospects / p110 (0120.jp2)
  37. 1.Concluding remarks / p110 (0120.jp2)
  38. 2.Some prospects for the imaging of non-uniform media / p113 (0123.jp2)
  39. Acknowledgements / p117 (0127.jp2)
  40. Appendix A.Non-perpendicular plane waves in one-dimensional media / p118 (0128.jp2)
  41. Appendix B.Reflection of a spherical wave by a plane interface / p123 (0133.jp2)
  42. References / p129 (0140.jp2)
  43. Publications / p136 (0147.jp2)
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各種コード

  • NII論文ID(NAID)
    500000081775
  • NII著者ID(NRID)
    • 8000000081983
  • DOI(NDL)
  • 本文言語コード
    • eng
  • NDL書誌ID
    • 000000246089
  • データ提供元
    • 機関リポジトリ
    • NDL-OPAC
    • NDLデジタルコレクション
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