matlab小波工具箱应用 多尺度小波变换 提取细节 压缩数据，对数据加时间窗，以50个数据为窗求小波细节然后取绝对平均得到一个数据-matlab wavelet toolbox application of multi-scale wavelet transform to extract details of the compressed data, the time window for data encryption, data window to 50 and then take the absolute wavelet detail required to get an average dat