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应用小波分析对双重孔隙储集层系统数学模型进行求解和辨识参数，得到全变分方程，将梯度投影法与 Ｎｅｗｔｏｎ－Ｒａｐｈｓｏｎ方法结合求解全变分方程，获得满意的数值结果．
Wavelet analysis is used to solve the mathematical model of dual porosity reservoir system and identify parameters. The total variation equation is obtained. The gradient projection method is combined with the Newton-Raphson method to solve the total variation equation, and the satisfactory numerical results are obtained.