The derivative deconvolution method was applied to improve the spatial resolution of the real measurement curves.

采用微分消卷积方法对实测曲线进行处理，结果表明，该方法能大大提高系统的空间分辨。

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So the methods given in this paper can be used to get some simple inverse Z transform. The partial derivative method and deconvolution method are of practical use.

该文的方法适用于求取较为简单的二维逆z变换问题，尤以偏导数法和逆卷积法更具实际意义。

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A new method of deconvolution by derivative operation is developed in theory.

从理论上提出了用微分操作进行消卷积的新方法。

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