WOLFRAM

Wolfram 语言与系统参考资料中心

获取小波族的属性

从每个小波族直接获取标度函数（）、小波函数（）和滤波器系数或用其指定小波变换.

    
Wolfram Language code: WaveletPhi[ShannonWavelet[], x]
Wolfram Language code: WaveletPsi[ShannonWavelet[], x]
Wolfram Language code: WaveletFilterCoefficients[ShannonWavelet[]]
Wolfram Language code: dwd = DiscreteWaveletTransform[Table[Sin[t ^ 2], {t, -3 π, 3 π, (6 π) / 1023}], ShannonWavelet[], 5]
Wolfram Language code: dwd[All, {"ListPlot", ImageSize -> 160}]