dd

说明：  用MATLAB函数进行非线性拟合，在VB中调用(MATLAB function with non-linear fitting, call in VB)

几种图像处理源码 程序代码说明 P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波 P0309：运用5种不同的梯度增强法进行图像锐化 P0310：图像的高通滤波和掩模处理 P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 P0312：利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理 (err)

(7,4)汉明码的硬判决译码算法、最大似然译码算法、和积译码算法性能比较（代码附在word后面，采用matlab实现）很好的学习资料((7,4) Hamming code of hard decision decoding algorithm, maximum likelihood decoding algorithm, and decoding performance comparison plot (code word is attached to the back, using matlab to achieve) a good learning materials)

基于环形的领域最优粒子群优化算法，MATLAB源程序(Based on the best areas of the ring particle swarm optimization algorithm, MATLAB source code)

Calculates photonic band structure for either the bcc lattice of dielectric spheres of dielectric constant epsilon_a in a dielectric background of dielectric constant epsilon_b.(Calculates photonic band structure for ei ther'isnt the bcc lattice of dielectric spheres of di electric constant epsilon_a in a dielectric ba ckground epsilon_b of dielectric constant.)

matlab机器人避障仿真！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！(Simulation of the robot obstacle avoidance)

this source code is matlab rectifiers

其中greedy_fair文件，为认知无线电中系统中贪婪算法与比例公平算法在资源分配上的对比仿真，其结果显示了两种算法分别在系统效益上和公平上的性能对比。(The greedy_fair file is used for the comparison of the greedy algorithm and the proportional fair algorithm in resource allocation in cognitive radio system , the result shows the two algorithms performance comparison in the system efficiency and fairness .)

用传输矩阵的方法来计算光子晶体带隙，matlab文件(Transfer matrix method used to calculate the photonic crystal band gap, matlab file)

求复杂网络的节点度的分布和平均节点的度，输入邻接矩阵，输出度的分布(Complicated network node degree distribution and the average node degree, input adjacency matrix, the output distribution of the degree of)