基于广义小波高斯积分的小波积分法及误差估计

An error estimation of integral method in wavelet theory based on Gaussian integral

应用具有 2次代数精度的带 Daubechies小波尺度函数的广义高斯积分公式 ,通过双尺度方程 ,得到具有高精度的积分公式 .在此基础上 ,应用外推技术得到具有更高精度的积分值 .

Based on the Gaussian integral method,using the scaling function of Daubechies wavelet,an integral method is given.From some examples and it's error estimation,it is shown that the approach effect is very good.