中文说明： 包括面积、周长、矩形度、伸长度，计算多重分形非趋势波动分析，关于超声波倒车雷达测距的，计算一维光子晶体的透射特性和反射特性，利用自然梯度算法，能量熵的计算。
English Description：
Including area, perimeter, rectangular, elongation, non-trend volatility calculated multifractal analysis on ultrasonic reverse radar ranging, calculation of transmission and reflection characteristics of one-dimensional Photonic crystals, natural gradient algorithm is used, energy calculation of entropy.