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为了正确地评价与应用电磁法勘探,本文兼顾方法原理和技术因素,通过对场的基本表达式的分析及若干环境因素的讨论,认为:方法的原理性分辨力,可用电性分辨因子(?U/?β~2)及形态分辨因子(U_柱/U_球)描述之;现实分辨力是方法原理与观测技术的统一,从技术因素来说,仪器的精度制约着方法的分辨力,不同观测分量具有不同的分辨力;电磁法的高分辨力寓于丰富的信息之中。
In order to appraise and apply the electromagnetic prospecting correctly, this article takes both the method principle and technical factors into consideration. Through the analysis of the basic expression of the field and the discussion of some environmental factors, it is considered that the principle resolution of the method, U /? Β ~ 2) and morphological resolution factor (U_column / U_ball); the actual resolution is the unification of the principle of the method and the observation technique. From the technical factor, the accuracy of the instrument restricts the resolution of the method Force, different observation components have different resolution; electromagnetic method of high resolution is located in a wealth of information.