释文：地质噪声是由与勘探目标无关的地质体所引起的噪声。比如，由随机分布的岩石块体（颗粒）所产生的随机散射噪声就属于这一类。
本文从一般情况出发推导出地质噪声对阻抗的畸变公式。
The paper deduces the impedance distortion formula resulting from geological noise from general situation.
用感度分析的方法，研究了地质噪声对MT资料的影响规律。
Have studied the influence law of geological noise to MT data with the method of sense degree analysis.
该区域的地质数据在采集过程中不可避免地存在数据的各向异性、特高值屏蔽、噪声等原因易导致出现假异常，因此需要对该区域的地质数据需要进行特别的处理研究。
Because of upper shielding, noise during the course of collecting data may be led to fault anomaly. So it is necessary to study the data of this area.
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