Simulation results show that with complexity greatly reduced, piecewise linear approximation algorithm achieve a performance very close to that of the BP algorithm.
仿真结果表明，曲线折线化算法在复杂度大幅度降低的情况下性能接近BP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.
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。
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