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声频大地电磁法（ＡＭＴ）的进展大地电磁法（ＭＴ）是一种较老的物探方法，它利用仪器在地面测量诸如太阳磁活动或雷电等遥远距离的电磁源在地下产生的天然电场和磁场。这些天然场内含有地电构造的信息。但是，在很长一段时间内由于测量１０Ｈｚ以上的ＭＴ信号在技术上比...
Advances in the Audio Magnetotelluric Metrology (AMT) Magnetotelluric (MT) is an older geophysical method that uses instruments to measure natural electric and magnetic fields generated underground by electromagnetic sources such as solar magnetic activity or lightning at distant locations on the ground . These natural fields contain information on the geoelectric structure. However, in a very long period of time due to the measurement of MT signals above 10Hz technically ...