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为了解决大深度、高分辨探测地下矿产资源的难点问题,基于近区测深的优越性,提出一种电性源短偏移瞬变电磁装置(SOTEM),并对该装置下的探测技术进行研究。通过对时间域近场响应特性以及探测深度等面探测能力的分析,认为SOTEM明显优于长偏移瞬变电磁(LOTEM)。接地线源短偏移瞬变电磁法比回线源瞬变电磁法易于施工,且探测深度较大和探测精度相对较高,是一种值得推广的方法。
In order to solve the difficult problem of large depth and high resolution exploration of underground mineral resources, based on the superiority of near field sounding, a short source transient electromagnetic field device (SOTEM) is proposed and the detection technology under this device the study. By analyzing the near-field response characteristics of the time domain and the detection capability of the detection depth, the SOTEM is considered to be significantly superior to LOTEM. Ground source short-term transient electromagnetic transient method than the linear source transient electromagnetic method is easy to construct, and the detection of a larger depth and detection accuracy is relatively high, is a worthy method of promotion.