db53小波正逆变换: 输入:原始信号为正弦波 输出:一级,二级,三级,四级小波分解结果,一级,二级,三级,四级小波分综合结果.-db53 wavelet inverse transform is: Input: original signal for the sine wave output: 1, 2, 3, 4 wavelet decomposition results, first, second, third, four wavelet sub-consolidated res