利用自相关法，计算基音周期，结果给出对应的时间值坐标

对图像做spca有监督的主成分分析降维，并通过RBF神经网络学习得到一个模型，并投影到原图来降噪(supervised manifold learning)

说明：  利用matlab实现牛顿迭代法在实数域和复数域上近似求解方程(Using MATLAB to realize Newton iteration method to approximate the equation in real and complex fields)

标准的子空间跟踪算法，配合卡尔曼滤波算法，可用于移动用户跟踪(past-d subspace tracking )

matlab 用于数据拟合的几个教程：包括一元线性回归分析 一元非线性回归分析多重回归分析(matlab for data fitting several tutorials include: one yuan linear regression analysis one yuan non-linear regression analysis of multiple regression analysis)

fir filter response-2

Function used by PSOLA speech modification technique. Finds exact point of pitch pulses in speech.

用于威布尔分布检验，产品寿命检验。是基于matlab的实用工具(For the Weibull distribution test, product life test. Matlab-based utility)

说明：  将数组a[0]~a[size-1] 中重复的字母删除（仅仅保留第一次出现的字母，后续的重复字母均删除）(The array a [0] ~ a [size-1] Remove duplicate letters (just the first time to retain the letters, follow-up letters were removed duplication))

实现OMP算法，即压缩感知的还原算法，将M*1的矩阵还原成N*1的稀疏矩阵,M<<N.(Implementing OMP algorithm)

watermark using correlation and pn sequence