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自20世纪40年代以来,以金属矿为勘查目标的电法的方法技术与仪器获得了很大的发展。有直流电法、激发极化法,有20世纪50年代兴起的并逐步发展的瞬变电磁法(TEM)、大地电磁测深法(MT)、音频大地电磁测深(AMT),以及可控源音频大地电磁法(CASMT)等。由于现代科学技术飞速发展,促使高精度、多功能、智能化、网络化、阵列化、可视化的新型电法仪器不断涌现和更新换代。同样,电法的观测技术、资料处理与解释技术也日新月异。近十年来电法在金属矿勘查中发挥了重要作用。
Since the 1940s, great progress has been made in the method and apparatus of the electric method, which is aiming at the prospecting of metal ores. There are DC method, excitation polarization method, there are the gradual development of the 20th century and the 50’s transient electromagnetic method (TEM), MT (MT), audio MTT (AMT), and controllable source Audio Magnetotelluric (CASMT) and so on. Due to the rapid development of modern science and technology, a new type of electro-law instrument that promotes high-precision, multi-functional, intelligent, networked, arrayed and visualized is constantly emerging and updated. Similarly, the observation method of electric law, data processing and interpretation technology is also changing with each passing day. In the past ten years, electric method has played an important role in the exploration of metal ores.