| 直升机TEM系统关键技术指标与探测深度分析 |
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| 关键词:Helicopter TEM System horizontal sandwich earth model pivotal technique specification transient electromagnetic response detection depth |
| 基金项目:地质调查项目"直升机航空TEM方法预研究"项目(编号:200120120080) |
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| An Analysis of Pivotal Technique Specification of the Helicopter TEM System and Its Detection Depth |
| The Helicopter TEM system remains in the stage of development and experimentation in the world, and is likely to be used in commercial exploration in about two or three years. With its flexibility and a certain detection depth, this system has got some good prospecting results. It has therefore become the development trend of the air-borne electromagnetic survey technique in future. Is this system suitable to the concrete situation of China? It is the air-borne electromagnetic technicians who can answer this question. The flexibility of the helicopter TEM system make it suitable to mountainous conditions of China, but its detection depth remains a key question which needs to be solved. Based on the horizontal sandwich earth model, the authors calculated transient electromagnetic response and analyzed the relation of the installation, moment and noise to the detection depth. As a result, the maximum detection depths of the helicopter TEM system are obtained under the condition of several typical geoelectric models of China, and the theoretical basis for the development of the helicopter TEM system in China is provided. |
| WANG Wei-ping.2005.An Analysis of Pivotal Technique Specification of the Helicopter TEM System and Its Detection Depth[J].Acta Geoscientica Sinica,26(1):93-97. |
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