FFT_Example

cohen类信号的双线性信号时频分析，page分布，该函数用于计算离散时间信号X的page分布，或良信号的互page表示。(cohen category signals bilinear time-frequency analysis, page distribution, the function used to calculate the discrete-time signal X s page distribution, or good signal that each page.)

对数据中出现的情况分为三类进行匹配，正常，不正常，和未知，对不正常的数据进一步分析- (data on the case are divided into three types matching, normal, abnormal, and unknown, not normal for further analysis of the data-)

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用matlab程序实现LMS和RLS算法(Matlab program to achieve with the LMS and RLS algorithms)

实现LU分解，选列主元的LU分解和不选主元的LU分解，在残差允许的范围内与MATLAB内置可以达到相同效果(LU decomposition of selected principal components)

说明：  psat5节点模型，包含故障类型，母线故障以及支路故障(psat5 node model, including fault type, bus fault and fault slip)

图像边缘提取matlab代码，主要利用log算子和中值滤波提取图像边缘，并显示出原图形和边缘提取图像(extract the edge ofthe image)

matlab实现的各种优化算法，包括牛顿-拉普森，牛顿-梯度下降等。(matlab optimization algorithm, including newton-raphson, newton-gredient and so on.)

说明：  非线性最小二乘优化问题以误差的平方和最小为准则来估计非线性静态模型参数的一种参数估计方法。设非线性系统的模型为y=f(x，θ)，常用于传感器参数设定。(64/5000 A parameter estimation method based on the minimum sum of squares of errors. Suppose that the model of the nonlinear system is y=f(x,), which is commonly used for sensor parameter setting.)

16-QAM + fading + AWGN Rayleigh Fading Ampalitude without Phase Fading