文章详细信息 关键词： 光电效应;;光电流;;遏止电压;;分段线性拟合 [gap=558]Keywords: photoelectric effect;photocurrent;cut-off voltage;piecewise linear fitting
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并通过分段线性拟合的方法，计算了幂指数的值。
Two power exponents are estimated by using linear fit in two segments.
该算法是在最小二乘意义上的多项式曲线拟合，实验结果表明，其校正效果明显优于分段线性校正算法。
The algorithm is polynomial curve fitting based on least square approximation. The experimental result shows its performance is more effect than that of the piecewise linear algorithm.
结果眼内压随注水时间的曲线呈非线性变化，可用分段函数拟合。
Results The relationship between IOP and injection time could be fitted to a segmented function with a characteristic point called IOPg.
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