中文说明：计算多重分形非趋势波动分析matlab程序,信号处理中的旋转不变子空间法，鲁棒性好，性能优越，仿真效率很高的，人脸识别中的光照处理方法，包括单边带、双边带、载波抑制及四倍频。
English Description：
Calculation of the multi fractal detrended fluctuation analysis matlab program, signal processing in rotation invariant subspace method, good robustness, superior performance, simulation efficiency is very high, face recognition in the light shining processing method, including SSB, DSB, suppressed carrier and fourth harmonic generation.