CAJ | 학술논문

开展含电磁耦合的频谱激电响应特征对实际勘探中的电磁耦合干扰的识别和去除具有实用价值。本文从频谱激电的实际应用出发，推导基于cole-cole模型的水平层状介质接导线AB发射和MN接收的复阻抗计算公式，然后利用快速汉克尔变换进行计算实现含电磁耦合的频谱激电一维正演。通过含对不同频谱激电参数下半空间的纯cole-cole模型和含电磁耦合效应模型的响应特征进行对比分析，结果表明：视电阻率在频率小于10Hz时基本无电磁耦合效应影响，相位在频率小于1Hz时无电磁耦合效应影响，1Hz-105Hz先下降后上升在1000Hz出现极小值。因此在实际应用中应选用10Hz以下频段进行勘探。
개전함전자우합적빈보격전향응특정대실제감탐중적전자우합간우적식별화거제구유실용개치。본문종빈보격전적실제응용출발，추도기우cole-cole모형적수평층상개질접도선AB발사화MN접수적복조항계산공식，연후이용쾌속한극이변환진행계산실현함전자우합적빈보격전일유정연。통과함대불동빈보격전삼수하반공간적순cole-cole모형화함전자우합효응모형적향응특정진행대비분석，결과표명：시전조솔재빈솔소우10Hz시기본무전자우합효응영향，상위재빈솔소우1Hz시무전자우합효응영향，1Hz-105Hz선하강후상승재1000Hz출현겁소치。인차재실제응용중응선용10Hz이하빈단진행감탐。
It has practical value to carry out electromagnetic spectrum identification with IP response characteristics of practical exploration in the electromagnetic coupling interference and removal. This article begins from the practical application of spectral IP, derivation of Cole-Cole model of horizontal layered medium wire AB transmit and MN receive impedance calculation formula based on, and then calculated to achieve spectral IP one-dimensional electromagnetic coupling forward using Fast Hankel transform. Comparative analysis of the response characteristics, with pure Cole-Cole model of the half space under different spectral IP parameters with electromagnetic coupling effect model shows that: the apparent resistivity in frequency is less than 10Hz without electromagnetic coupling effect, the phase in the frequency of less than 1Hz without electromagnetic coupling effect, 1Hz-105Hz first decreased and then increased appear the minimum value in 1000Hz. In practical application, so should choose 10Hz band below exploration.