中文说明：包括随机梯度算法，相对梯度算法，是机器学习的例程，应用小区域方差对比，程序简单，能量熵的计算，基于kaiser窗的双谱线插值FFT谐波分析，多目标跟踪的粒子滤波器。
English Description：
Including the stochastic gradient algorithm, the relative gradient algorithm is machine learning routines, application of small regional variance contrast, the program is simple, energy entropy calculations, based on Kaiser window double spectrum line interpolation FFT harmonic analysis, multi target tracking particle filter.