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大地电磁GB张量分解法的改进 被引量:11

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摘要 在对Groom-Baily的大地电磁(MT)张量分解法(简称GB分解法)修改之后,采用对单个频点进行张量分解的方法,并将参加分解的阻抗张量元素改用视电阻率和相位,使得分解方程数目及求解未知数数目减少,大大改善了方程的病态性能并减少计算时间,从而使张量分解更少地受分解条件的限制而稳定地进行。在此基础上,编写了单频点张量分解程序,并应用于实际资料。
出处 《地球物理学报》 SCIE EI CAS CSCD 北大核心 2002年第C00期356-364,共9页 Chinese Journal of Geophysics
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  • 1Lasen J C. Low frequency(0.1-0.6cpd) electromagnetic study of deep mantle electrical conductivity beneath the Hawaiian Islands. Geophys. J. R. astr. soc. , 1975,43:17-46.
  • 2Wannamaker P E, et al. Magnetotelluric responses of three - dimensionalbodies in layered earths. Geophysics, 1984,49:1517-1533.
  • 3Zhang P, et al. Magnetotelluric strike rules, Geophysics, 1987,52:267-278.
  • 4Bahr K. Geological noise in magnetotelluric data: a classfication of distortion types. Phys. Earth Planet. Inter., 1991,66:24-38.
  • 5Bahr K. Interpretation of the magnetotelluric impedance tensor: region induction and local telluric distortion J. G eophys.,1987,62: 119- 127.
  • 6Groom R W, Baily R C. Decomposition of magnetotelluric impedance tensorsin the presence of three - dimensional galvanic distortion. J. Geophys. Res., 1989,94:1913-1925.
  • 7Groom R W,Baily R C. Analytic investigations of the effects of near- surface three - dimensional galvanic scatters on MT tensor decompositions. Geophysics, 1991,56:496-518.
  • 8Groom R W, et al. A quantitative methodology to regional magnetotelluricimpedances and determine the dimension of the conductivity structure. Geophys . J . Int. , 1993,115:1095- 1118.
  • 9Chakridi R, et al. A simple technique for analysing and partly removing galvanic distortion from the magnetotelluric impedance tensor: application to Abitibi and Kapuskasing data( Canada). Geophys. J. Int. , 1992,108 :917-929.
  • 10Jones A G, Groom R W. Strike - angle determination from the magnetotelluric impedance tensor in the presence of noise and local distortion: rotate at your peril!. Geophys. J. Int. , 1993,113:524-534.

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