磁异常共轭元反演解释法研究

来源期刊:中南大学学报(自然科学版)2011年第3期

论文作者:晏月平 戴前伟 蔡家雄 鲁光银

文章页码:731 - 737

关键词:共轭元;磁化特征角;图形变换;变换图形;共轭比值;校正解释

Key words:conjugate element; magnetized characteristic angle; graphics conversion; transformation graph; conjugate ratio; adjustment explanation

摘    要:对磁异常共轭元反演解释法进行研究。该方法利用磁异常共轭元建立共轭三角形,通过共轭点拟合实现磁异常反演解释。该方法先求解磁源体部分几何要素,再结合磁异常的平面特征,通过校正解释,给出异常体的其他几何参数(走向长度、下延长度和倾角)及磁场参数。模型试验及实例检验结果表明:该方法具有较好的求解速度和反演精度。

Abstract: Conjugate element inversion method of magnetic anomaly was studied. The method used magnetic anomaly conjugate element to build conjugate triangle, through the conjugate points fitting realized inverse interpretation of magnetic anomaly. This method solves part of geometrical element of magnetic source body at first, and then combining the characteristics of magnetic anomaly plane, via calibration explanation, giving anomalous body’s other geometrical parameters, such as the trend length, the extension depth, the angle of inclination, etc, and the magnetic field parameters. This method has good antijamming ability. Furthermore, it has the good solution speed and the inversion precision according to model experiment and example check result.

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