Disturbance identification and disposal of magnetic diurnal variation in aeromagnetic survey
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摘要: 通过对多个测区的磁日变曲线分析与对比,研究了不同地区的磁日变曲线特点,以及日磁扰特征,并且总结了其他受外界干扰的磁日变站曲线特征以及仪器原因引起的磁日变曲线畸变原因.在综合分析和研究的基础上,总结出了磁日变曲线的日磁扰特征、外界干扰曲线特征、仪器干扰曲线特征的规律,为今后快速识别干扰磁日变曲线,正确编辑和处理磁日变数据提供了依据.Abstract: In this paper,the authors have analyzed and compared the diurnal variation curves in several survey areas,studied the curves and their disturbance features of magnetic diurnal variation in different places,and summarized magnetic diurnal variation curve features of other external disturbance and curvilinear distortion of instrument reasons.Based on comprehensive analysis and research,the authors have summarized the curve features of magnetic disturbance,external disturbance and instrumental interference,and provided the basis for quick identification of magnetic disturbance and correct editing and processing of magnetic diurnal variation data.
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