matlab.suanli

第四版的proakis的数字通信配套matlab源程序--第一章部分(matlab code for digital communication <4th edition>)

用matlab编写的HUFFMAN树的程序，按照要求输入输入，概率以及信号编号，就可以得到各个信号的Huffman编码。并且有课题报告附上。（编码是逆序输出的，若要改为正序，修改strcat内的两个参数顺序就好）(HUFFMAN prepared using matlab tree program, enter the requested input, probability, and signal numbers, each signal can be Huffman coding.)

说明：  机载SAR成像距离多普勒（RD）算法，自己编写的，实际数据处理效果很好。(The range Doppler (RD) algorithm of airborne SAR imaging is written by myself, and the actual data processing effect is very good.)

在进行层次分析时，用于计算一致性矩阵，检验一致性。(In the level of analysis, used to calculate the consistency matrix, the consistency test.)

严格耦合波方法计算二维光栅透射反射系数——matlab程序(Rigorous coupled-wave method to calculate two-dimensional transmission grating reflection coefficient- matlab program)

差分方程求解 实验步骤： 主界面下进入实验五的“差分方程求解”子系统,输入希望看到的输出样点数 输入差分方程系数向量 输入顺序为：，。其中 N+1 为差分方程两边系数最大数目，如果有一边输入系数个数小于 N+1，将按不足系数为零计算。 输入系统初始状态向量 输入顺序为 鼠标单击确定按钮，以数值和图形两种方式显示单位冲激响应和输出响应 3） 确定差分方程形式：y(k)-y(k-1)+0.35y(k-2)=2x(k)-x(k-1)，(Experimental steps for solving differential equations: the main interface into five experimental " differential equation" subsystems, would like to see the output of input sample points difference equation coefficient of input vector input sequence as follows:,. One of N+1 differential equations for the maximum number of factors on both sides, if there is one less than the number of input coefficient of N+1, the calculation will be less than zero coefficient. Initial state vector input system for the importation of the order of the mouse button to click OK to both numerical and graphical display unit impulse response and output in response to 3) to determine the form of differential equation: y (k)-y (k-1)+0.35 y (k-2) = 2x (k)-x (k-1),)

两个图像的峰值信噪比（psnr）计算公式 归一化系数计算 dwt嵌入数字水印(PSNR of two images (psnr) formula normalized coefficients dwt Watermarking)

基于认知无线电的扩跳频通信信号的调制识别(Hopping spread based on cognitive radio communication signal modulation recognition)

应用matlab 对图像进行灰度加强处理，相当不错！！！！！(image process)

数字图像处理 灰度图像处理 Matlab环境 灰度变换(Digital image processing grayscale image processing Gray level transformation )