Piecewise polynomial Approximation of Rational Curves and Surfaces
有理曲线和曲面的分片多项式逼近
Vector piecewise polynomial ( VPP) approximation algorithm is proposed for environment compensation of speech signals degraded by both additive and convolutive noises.
为了统一地补偿电话语音受加性噪声和卷积通道响应的影响,本文提出了矢量分段多项式近似(VPP)算法。
The undetermined function can be approximated, based on the function approximation theory, with some simple functions such as polynomial or piecewise polynomial when the function values are known on the defined point set.
由函数逼近理论可知,当只在已知点集上给出函数值时,可用多项式或分段多项式等较简单函数逼近待定函数。
This result can be combined with subdivision method to obtain a piecewise interval polynomial approximation for a rational surface.
这一结果可以与细分技术相结合,得到有理曲面的分片区间多项式的逼近。
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