gui_filter

说明：  计算流体力学的典型流程，navier-stokes方程组的数值解法(The typical computational fluid dynamics process, navier-stokes equations numerical solution)

several files allowing to do a LDPC code optimization based on exit charts

这是一个基于神经网络RBF的PID控制器，SIMULINK模型加m函数(This is a PID controller based on neural network RBF, SIMULINK model plus m function.)

包括最后计算压缩图像的峰值信噪比和压缩效果的源码,利用自然梯度算法，基于K均值的PSO聚类算法。( Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, Use of natural gradient algorithm, K-means clustering algorithm based on the PSO.)

用模最大值法提取小波脊，该例中又两条小波脊，所以是多脊提取。同时又施加惩罚函数，控制lamda的值，可以得到较为平滑的小波脊。( using maximum modulus extract wavelet ridge, the case has two wavelet ridge, it is a multi-ridge extraction. At the same time to impose the penalty function to control the value of lamda,the extracted ridge can be relatively smooth .)

该源码来自教程＜先进的pid控制及matlab仿真（第一版）＞，对初学者非常有帮助.(The source code from the tutorial <advanced pid control and matlab simulation (first edition)>, very helpful for beginners.)

对想学matlab的初学者很有帮助,文中有很多实例(To want to learn matlab beginner helpful, the text has many examples of)

说明：  输入一个样值电平,对它进行13折线编码,画出编码波形.(Enter a sample value level, its 13-line code, draw the waveform coding.)

it is very useful 4 matlab developers

采用离散余弦变换DCT，通过MATLAB实现数字水印（包括水印的嵌入和盲提取）。( Uses discrete cosine transformation DCT, realizes the digital watermark through MATLAB (including watermark inserting and blind extraction). )