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为引进微动的观测技术和处理解释方法,地矿部物化探局曾于1988年邀请日本学者冈田广教授来华讲学。那次讲学冈田教授主要讲解了由较长周期(同期大于1s小于10s)的微动资料计算基阶瑞雷波相速度频散曲线的两种方法以及由相速度频散曲线反演地下横波速度构造的方法,展示了该方法在油气地质构造调
In order to introduce the fretting observation technique and the method of interpretation, the Institute of Geophysical and Geochemical Exploration and Exploitation of the Ministry of Geology and Mineral Resources invited the Japanese scholar Okada Hiroshi to lecture in China in 1988. That lecture, Professor Okada, mainly explained two methods to calculate the phase velocity dispersion curves of the fundamental order Rayleigh wave from the long period (more than 1s and less than 10s in the same period), and the inversion of the underground shear waves by the phase velocity dispersion curve The method of velocity tectonics shows that the method is tuned in the geological formations of oil and gas