Firstly, some new conceptions such as component function matrix and generalized quadratic form function are presented.

提出了分量函数矩阵和广义二次型函数等新的概念，讨论了广义二次型函数定号性的判定方法。

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In this paper, a new convergence theorem and error estimates for two types of generalized method are obtained by means of cubic major function, under the unified determination.

该文在统一判定条件下，借助于三次优函数，给出了两类一般迭代法的不同于以前的收敛性和误差估。

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Applying the generalized s transform with arbitrary and varying window function, the new method has strong ability of restraining noise and distinguishing thin layers.

该方法采用窗函数可变的广义s变换进行计算，不仅具有一定的抑制噪声的能力，而且充分利用了广义s变换分辨薄层的能力。

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