| 大地电磁场中磁信号的相对均匀性特征试验研究 |
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| 引用本文： | 杨生.大地电磁场中磁信号的相对均匀性特征试验研究[J].地质与勘探,2007,43(3):65-67. |
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| 作者姓名： | 杨生 |
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| 作者单位： | 有色金属矿产地质调查中心北京中色物探有限公司,北京,100045 |
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| 摘 要： | 根据同时实测的相距100km两观测点的电磁场信号,通过比较信号幅值、电磁信号相干性和电磁场相互替代计算视电阻率分析,得出了大地电磁信号中磁信号具有相对均匀性特征的结论,为一些MT勘探工程中需采用电磁分离布极观测提供了试验实例.
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| 关 键 词： | 大地电磁测深 电磁场信号 均匀性 相干分析 |
| 文章编号： | 0495-5331（2007）03-0065-03 |
| 收稿时间： | 2006/6/26 0:00:00 |
| 修稿时间： | 2006-06-262006-09-04 |
RELATIVE HOMOGENEITY EXPERIMENT OF MAGNETIC SIGNAL IN MAGNETOTELLURIC FIELD |
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| YANG Sheng.RELATIVE HOMOGENEITY EXPERIMENT OF MAGNETIC SIGNAL IN MAGNETOTELLURIC FIELD[J].Geology and Prospecting,2007,43(3):65-67. |
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| Authors: | YANG Sheng |
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| Institution: | Beijing Zhongse Geophysical Exploration Ltd. , China Survey for Nonferrous Metals Resource Geology, Beijing 100045 |
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| Abstract: | Based on electromagnetic signals received simultaneously from two observation sites away from 100km, by comparing signal amplitude and coherence and analyzing apparent resistivity computed with the replacing electromagnetic fields, it is concluded that magnetic signal in magnetotelluric field is homogeneous relatively. This result provides a living test example which adopts apart electromagnetic collection equipment in some MT exploration. |
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| Keywords: | electromagnetic sounding electromagnetic signal homogeneity correlation analyzing |
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