Discrete_Cosine_code

lecencia gnu gl sistema erp para compañ ias de regimen simplificado colombianizado

说明：  设计巴特沃斯型、椭圆、切比雪夫数字低通滤波器，并对加入噪声的图像进行滤波(design Buttetworth、cheby1 and ellip LF,and use these filters in image processing.)

this is a source code for localisation of number plate

随机跳跃法实现最优化问题实例程序（MATLAB code）(A program using random jump method to achieve optimization (MATLAB code))

matlab最优化程序包括 无约束一维极值问题 进退法 黄金分割法 斐波那契法 牛顿法基本牛顿法 全局牛顿法 割线法 抛物线法 三次插值法 可接受搜索法 Goidstein法 Wolfe.Powell法 单纯形搜索法 Powell法 最速下降法 共轭梯度法 牛顿法 修正牛顿法 拟牛顿法 信赖域法 显式最速下降法， Rosen梯度投影法 罚函数法 外点罚函数法 內点罚函数法 混合罚函数法 乘子法 G－N法 修正G－N法 L－M法 线性规划 单纯形法 修正单纯形法 大M法 变量有界单纯形法 整数规划 割平面法 分支定界法 0-1规划 二次规划 拉格朗曰法 起作用集算法 路径跟踪法 粒子群优化算法 基本粒子群算法 带压缩因子的粒子群算法 权重改进的粒子群算法 线性递减权重法 自适应权重法 随机权重法 变学习因子的粒子群算法 同步变化的学习因子 异步变化的学习因子 二阶粒子群算法 二阶振荡粒子群算法 (matlab optimization process includes Non-binding one-dimensional extremum problems Advance and retreat method Golden Section Fibonacci method of basic Newton s method Newton s method Newton s Law of the global secant method parabola method acceptable to the three interpolation search method   Goidstein France Wolfe.Powell France Simplex search method Powell steepest descent method Conjugate gradient method Newton s method Newton s method to amend Quasi-Newton Method trust region method explicitly steepest descent method, Rosen gradient projection method Penalty function method outside the penalty function method within the penalty function method Mixed penalty function multiplier method   G-N was amended in G-N method L-M method Of linear programming simplex method, revised simplex method Big M method variables bounded simplex method, Cutting Plane Method integer programming branch and bound method 0-1 programming quadratic programming )

matlab 时频分析工具箱 matlab 时频分析工具箱time-frequency analysis toolbox(time-frequency analysis toolboxtime-frequency analysis toolboxtime-frequency analysis toolbox)

This is a Matlab function that calculates the band structure for an one dimensional structure by means of PWE method. you will see more details about using it insid the file.

小波分析理论与应用，用matlab7实现(Wavelet analysis theory and application, with matlab7)

该载波同步方案可应用于低信噪比和高动态同存的条件下 接收机设计中,通过对该方案进行MATLAB 仿真,结果表明了该方案能有效地解决了载波快速捕获与精确跟踪的 问题。(The carrier synchronization scheme can be applied with low SNR and high dynamic receiver design under the conditions of existence, through the program MATLAB simulation results show that the scheme can effectively solve the fast carrier capture and accurate tracking of the problem .)

all pwm techniques in matlab simulink modal