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采用小波变化来完成数字水印的加密和解密，并且加入了猫脸变换(Wavelet change digital the watermark encryption and decryption, and cat face transform.)

适用于水声通信系统中，程序中是在多径条件下， 均衡（LMS）(underwater acoustic communication)

牛顿法进行二次曲面分析，计算各迭代点的局部值(Newton s method analysis of quadric surface, the local value of iterative point is calculated)

放大显示matlab输出图像局部区域，放大区域可以随意在原图像拖动，相应的放大区域会显示出来，同时显示放大区域和源图像。(Magnified display matlab output image local area, zoom in the region can be free to drag the original image, the corresponding amplification area will be displayed, while displaying the enlarged area and source image.)

Code for FIFO the first

Kalman filter examples

二元算术编码，即实现0和1 的算术编码，matlab源程序(Binary arithmetic coding, which implements the arithmetic coding 0 and 1, matlab source code)

本代码是对论文《Analysis of Cognitive Radio Networks with Imperfect Sensing》的仿真实现(This code is the thesis " Analysis of Cognitive Radio Networks with Imperfect de Corriente Flux-Gate Transducers simulation)

rotating robot in 3d

室外可见光通信信道建模，直射链路和反射链路建模(Outdoor visible light communication channel modeling, direct link and reflective link modeling)