相位激电法(偶极—偶极)单频电磁耦合校正方法

THE SINGLE-FREQUENCY ELECTOMAGNETIC COUPLING CORRECTION TECHNIQUE FOR PHASE IP METHOD (DIPOLE-DIPOLE)

主要介绍一种相位激电法 (偶极—偶极 ,以下简称偶极 )电磁耦合校正方法 ,其原理是将视电阻率近似视为均匀大地电阻率 ,利用均匀大地条件下偶极装置电磁感应响应的正演计算方法 ,算出电磁感应响应 ,再将其从观测的总响应中去除 ,从而达到电磁耦合校正的目的。

This paper deals mainly with an electromagnetic coupling correction technique for phase IP method (dipole dipole, called dipole for short). Its principle is as follows: the apparent resistivity is regarded approximately as uniform terrestrial resistivity, and the direct calculation method for electromagnetic inductive response of dipole device is employed under the uniform terrestrial condition to figure out electromagnetic inductive response; then the inductive response is subtracted from the observed total response so as to attain the aim of electromagnetic coupling correction.