吉林大学学报(地球科学版) ›› 2020, Vol. 50 ›› Issue (3): 883-894.doi: 10.13278/j.cnki.jjuese.20190040
• 地球探测与信息技术 • 上一篇
孙勇1, 于平1, 王新月2, 黄大年1
Sun Yong1, Yu Ping1, Wang Xinyue2, Huang Danian1
摘要: 航空重力梯度勘探中,载体自身产生的重力梯度效应对于超高精度的重力梯度仪而言是一种严重的干扰。由于载体结构复杂,用常规的载体建模并正演难以精确去除这种干扰。本文从统计学角度出发,用多元线性回归来处理自身梯度效应,不需要对载体模型做出任何假设与近似,用纯数据驱动的方式来校正自身梯度的干扰。回归诊断与模型仿真验证了这种校正方式有较高的准确性,并且当实际的转角落在地面标定的范围内时具备预测能力。
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