| 去除水平均匀大地和二层大地视复电阻率谱中感应耦合效应的谱激电反演 |
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| 引用本文： | 刘崧.去除水平均匀大地和二层大地视复电阻率谱中感应耦合效应的谱激电反演[J].地球科学,1988(1). |
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| 作者姓名： | 刘崧 |
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| 摘 要： | 在频率未达相位峰值频率时,不极化水平均匀大地和二层大地的感应耦合谱的每个频段都可近似地用一个Cole-Cole谱拟合。极化水平均匀大地和底层极化的二层大地的总视复电阻率谱的每个频段都可用乘法或加法组合的两个Cole-Cole谱很好拟合,反演得到的激电谱都近似等于激电效应的贡献,但只有乘法组合反演得到的感应耦合才能代表感应耦合的贡献。
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| 关 键 词： | 谱激电反演 感应耦合 乘法组合 |
SIP INVERSION FOR THE REMOVAL OF INDUCTIVE COUPLING OVER A UNIFORM EARTH OR A TWO - LAYERED EARTH |
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| Liu Song.SIP INVERSION FOR THE REMOVAL OF INDUCTIVE COUPLING OVER A UNIFORM EARTH OR A TWO - LAYERED EARTH[J].Earth Science-Journal of China University of Geosciences,1988(1). |
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| Authors: | Liu Song |
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| Institution: | China University of Geosciences |
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| Abstract: | When frequencies are less than the frequency for phase peak, each segment of EM coupling spectrum due to a uniform earth or a two-layered earth can be approximately fitted by a Cole-Cole dispersion. Each segment of total apparent complex resistivity spectrum due to a pola-rizable uniform earth or a two-layered earth with a polarizable substratum can be well fitted by either a multiplicative or an additive combination of Cole-Cole dispersions. Inversed IP spectrum by each combination approximates to the contribution of IP effect, but only the EM coupling inversed by multiplicative one can represent the contribution of EM coupling. |
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| Keywords: | SIP inversion inductive coupling multiplicative combination |
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