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survey line 【測】測線。

surveying

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 、根據概率論和數理統計的理論與方法及誤差理論,結合航空重力測量的特點,建立了有關檢驗統計量,并將其應用于航空重力測量測線系統誤差的顯著性檢驗。

Based on an m - estimation principle , a robust estimator of parameters of systematic errors model is introduced in every surveying line 4 、基于抗差估計理論,討論了航空重力測量系統誤差模型參數的抗差m估計方法與實現。