Based on an m - estimation principle , a robust estimator of parameters of systematic errors model is introduced in every surveying line 4 、基于抗差估计理论，讨论了航空重力测量系统误差模型参数的抗差m估计方法与实现。
2.
2 . according to the characteristic of airborne gravity survey , several statistic variables are derived from theory of probability and mathematical statistics combined with knowledge of errors principles . these statistic variables are applie to the significance test of systematic errors in every surveying line 2 、根据概率论和数理统计的理论与方法及误差理论，结合航空重力测量的特点，建立了有关检验统计量，并将其应用于航空重力测量测线系统误差的显著性检验。
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