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L10-page16 - depths to be detectable • Near surface very...

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16 Inverse Modeling • Benefits: –Automatic, it helps to remove user bias. However sometimes the user’s bias is needed to produce a decent model –Automatically removes differences associated with different electrode collection schemes. Interpretation Issues - Resolution • General 2D and 3D surveys • Basically, spatial resolution falls off as you get further away from the surface. Need larger bodies/higher contrasts at greater
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Unformatted text preview: depths to be detectable • Near surface very well resolved – min. horizontal resolution equal to minimum electrode separation • Depth resolution is array dependent • REMEMBER – Over-interpretation is very easy given the non-uniqueness of physics as well as the inverse problem. Thus need to be careful....
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  • Spring '09
  • wei
  • Electroencephalography, Inverse problem, electrode collection schemes, larger bodies/higher contrasts, min. horizontal resolution

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