zwsmubiao

这是一段利用matlab实现PCA分析的代码，即word说明(This is a realization of PCA analysis using matlab code that word description)

二维声波正演程序！规则网格的时间空间二阶波动方程有限差分正演，matlab编写！！(Two-dimensional wave medling program! matlab prepared! ! Forward seismic acoustic source)

说明：  信道为高斯信道的OFDM信道估计仿真。基于matlab(Channel is Gaussian channel OFDM channel estimation simulation. Based on matlab)

详细讲述交直流调速在MATLAB之中的仿真模型绘制，并配有细致入微的参数设置！具体详实！(Detailed account of the AC and DC speed control in the MATLAB simulation model among the draw, and with attention to detail parameter setting! Specific and detailed!)

Example code for ANN and use of PCA

说明：  有限差分法求解雷诺方程，MATLAB程序，可以拿来参考看看(Solving Reynolds equation by finite difference method)

基于mv准则的波束赋形算法，可以根据来波方向向三个方向形成波束(Mv criteria-based beamforming algorithm, according to wave direction to form a beam in three directions)

电弧模型,可以很好的看电弧电流和电压，参数可以修改，matlab的simulink编程得到的，适合初学者学习(Arc model, can see arc current and voltage, parameters can be modified, matlab simulink programming, suitable for beginners to learn)

小波包分析提取振动信号中的特征频率，wolf 方法计算李雅普诺夫指数,计算互信息非常有用的一组程序。( Wavelet packet analysis to extract vibration signal characteristic frequency, wolf calculated Lyapunov exponent, Mutual information is useful to calculate a set of procedures.)

matlab图像分割程序 手动和自动分割(matlab image segmentation procedures manual and automatic segmentation)