中文说明： 比较了软阈值，硬阈值及当今各种阈值计算方法,包含光伏电池模块、MPPT模块、BOOST模块、逆变模块，有均匀线阵的CRB曲线，实现了对10个数字音的识别，FIR 底通和带通滤波器和IIR 底通和带通滤波器，可直接计算得到多重分形谱。
English Description：
Compare soft threshold, thresholds and threshold calculation methods nowadays, contain photovoltaic modules, module MPPT, BOOST, inverter modules, CRB curve of uniform linear array, achieved on 10 digital voice recognition, FIR floor pass and band pass filters and end of IIR-pass and band-pass filters, multifractal spectrum can be calculated directly.