huihei_v14

功率谱密度相关方法的MATLAB实现代码，包含基础讲解和算例代码(Power spectral density related methods of MATLAB code, including basic explanation and example code)

Locally linear embedding(LLE)是一个经典的流形学习降维方法，通过LLE发现高维数据潜在的内在维数，可以简化计算、方便可视化处理等。(Locally linear embedding (LLE) is a classic manifold learning dimensionality reduction method, discovered by LLE potential inherent high dimensional data dimension, the calculation can be simplified to facilitate visual processing.)

chen混沌系统的分数阶的吸引子仿真，很容易实现的，希望可以帮助你。一起学习混沌吧。(chen' s chaotic system of Fractional attractor simulation, it is easy to achieve, I hope you can help. With learning chaos.)

求矩阵特征值和特征向量的算法：QR算法。用于线性方程组的求解，和反幂法算法的设计(Matrix eigenvalues and eigenvectors of the algorithm: QR algorithm. For linear equations, and anti-power-law algorithm design)

说明：  16QAM的数字通信系统的仿真，包括调制解调，上下变频，加入了高斯白噪声，并且每个步骤都生成相应的图形(16QAM digital communication system simulation, including the modulation and demodulation, frequency conversion from top to bottom, by adding a Gaussian white noise, and each step to generate the corresponding graphics)

LSSB调制解调的MATLAB演示源程序产生消息曲线 载波曲线 频谱曲线等(LSSB modulation and demodulation of MATLAB source generated news demo curve carrier curve spectrum curve)

我的资料主要是对MATLAB编程中常遇到的一些错误进行了归类分析，绝对实用(My information is mainly classified MATLAB programming often encountered some errors, absolutely practical )

NN with external data

说明：  图像区域非均匀采样matlab程序 可以实现类人眼的图像不同采样率演示(Image regional non-uniform sampling procedures can be achieved Matlab category eye images demonstrate different sampling rates)

periodogram files... how to generate periodogram