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在简要介绍瞬变电磁法原理的基础上,分析了瞬变电磁信号在接收线圈中的衰减特性;提出了基于该方法的套管检测系统的总体设计方案以及数据采集和处理方法。
Based on the brief introduction of the principle of transient electromagnetic method, the attenuation characteristics of transient electromagnetic signal in the receiving coil are analyzed. The overall design scheme of the casing detection system and the data acquisition and processing method are proposed.