中文说明： DSmT证据推理的组合公式计算函数，计算时间和二维直方图,包括主成分分析、因子分析、贝叶斯分析，用于信号特征提取、信号消噪，利用最小二乘法进行拟合多元非线性方程，均值便宜跟踪的示例。
English Description：
DSmT evidence reasoning combined formula calculation function, calculation time and two-dimensional histogram, including principal component analysis, factor analysis, Bayesian analysis, used for signal feature extraction, signal denoising, using the least square method to fit multivariate nonlinear equation, mean value tracking example.