gezhen

对lena图嵌入的水印进行提取 LSB方法 水印图像被分解嵌入 提取各部分块儿后进行重建 可以运行 有一定参考价值 (Figure of lena LSB embedded watermark extraction method to extract the watermark embedded image is broken down pieces of the various parts of the reconstruction can be run after a certain reference value)

基于matlab的模糊pid的仿真研究，有详细的解说如何等价被控对象的传递函数，如何模糊等等。(fuzzy pid)

用于求积分，这是用matlab函数编的，非常好用！(Used for points, which is made using matlab function, very handy!)

a卷积码的硬判决译码simulink实现(the realization of hard decision of convolutional coding using matlab or simulink function in wireless communication a a aaa aa)

Voice activity detection using zero crossing criterion.

orbital code satellite info

机械设计MATLAB的辅助分析资料，详细讲解了四连杆曲柄滑块等经典例子相关代码，(document of mechanical design of MATLAB。explain some examples of four connecting rod and crank slider)

Image processing codes

this program simulates 2D electromagnetic Maxwell equations , by using finite difference time domain method FDTD..and it simulates the perfect matched layer to prevent the reflections that may occure at the boundaries of the problem space

数字识别的matlab仿真，通过图像裁剪，再有神经网络训练，可以达到很好的效果 (Digital Identification of matlab simulation, cutting through the images, there was a further neural network training, can achieve good results)