san_PSK

针对双极性、单极性码产生直扩系统，并加上宽带噪声干扰，(For bipolar, unipolar codes have a direct expansion system, and with broadband noise,)

matpower4.1相关文件，用于实现matpower仿真，4gs数据信息(matpower4.1 relevant documents, used to achieve matpower Simulation, 4gs data information)

该代码主要用于计算液体气体界面等，适用胶体光子晶体(Modified Kelvin Model)

说明：  matlab科学计算继续上传，一共10个章节，由浅入深，几乎包括了绝大部分的科学计算方法以及仿真。本人把部分算法做了优化，更为完善(matlab scientific computing continue to upload, a total 10 chapters, easy-to-digest, almost, including most of the scientific method of calculation and simulation. I have done a part of algorithm optimization, a more perfect)

A tutorial on Principal Components Analysis

计算晶体的倒格矢.计算时需要输入原来晶体格点所在坐标下的矩阵，这对理解倒格矢量很有意义。(A calculation of the reciprocal lattice vector)

龙格库塔四阶方法，matlab编程，仅供参考(Runge-Kutta fourth-order method, matlab programming, reference)

研究微弱信号随机共振之后信号的恢复问题，包括一些模型的搭建等等(Study weak signal stochastic resonance signal after recovery issues, including some of the model structures, etc.)

说明：  主成分分析法，用于将低数据维度，减小有相关性的数据特征。(dimensionality reduction)

很好的卡尔曼滤波器的实现，跟踪机动目标仿真(Kalman filter to achieve good tracking maneuvering target simulation)