CVSD语音压缩的算法和程序流程-bysj7

说明：  　本文对变步长自适应滤波算法进行了讨论,建立了步长因子μ与误差信号e(n) 之间另一种新的非线性函数关系. 该函数比已有的sigmoid 函数简单,且在误差e(n)接近零处具有缓慢变化的特性,克服了Sigmoid 函数在 自适应稳态阶段步长调整过程中的不足. 由此函数本文得出了另一种新的变步长自适应滤波算法,并且分析了参数α,β的取值原则及对算法收敛性能的影响. 该算法有较好的收敛性能且计算量少. 计算机仿真结果与理论分析相一致,证实了该算法的收敛性能优于已有的算法.(In this paper, variable step adaptive filter algorithm to discuss the establishment of a step factor μ and the error signal e (n) between another new nonlinear function. The function has a sigmoid function than the simple and the error e (n) close to zero Department has a slow change in the characteristics of a Sigmoid function to overcome the steady-state phase in the adaptive step length adjustment during the process. this function, this paper gives another new variable step size adaptive filtering algorithms, and analysis of the parameters α, β the value principles and the convergence performance. The algorithm has better convergence performance easy to calculate. Simulation results and theoretical analysis, confirmed the convergence of the algorithm better performance than existing algorithms.)

编程中有的版本可能没有该功能函数，直接拷贝到工具箱里即可使用(Programming without the function of some versions may, directly copy to use can be a tool box )

说明：  利用蚁群算法的改进算法实现图像分割，并与传统蚁群算法作比较(The improved ant colony algorithm is used to realize image segmentation and compared with the traditional ant colony algorithm.)

matlab中读取avi视频的方法，利用mmreader函数，aviread函数均可(avi video matlab to read the method, the use of mmreader function, aviread function can be)

单级倒立摆的LQR控制器的设计 其中包含和倒立摆的论文以及自己编的matlab文件(Single-stage inverted pendulum LQR controller design which contains the inverted pendulum and paper files as well as their own series of matlab)

非线性扩展卡尔曼滤波，在catr模型中的应用。(extending kalman filtering,cstr)

转子系统固有频率分析，两端简支约束下的转子系统固有特性分析中质量矩阵编程(Analysis of Natural Frequency of Rotor System, Mass Matrix Programming in Analysis of Inherent Characteristics of Rotor System with Simply Supported Constraint at Both Ends)

有一学生成绩管理数据库如下表，要求建立一SAS数据集score，并输出显示 创建一个新的数据集class，新增平均成绩aver变量和等级考评grade变量，grade的值是根据aver值的大小给出A、B、C、D四个等级，并显示新数据集class(A student achievement management database as the table, called for the establishment of a SAS data set score, and output display create a new data set class, add an average score aver evaluation variables and grade level variables, grade values are based on the size of a aver value the A, B, C, D four grades, and displays the new data set of class)

这是一本关于matlab在数学建模中的使用的书，希望对大家有用(This is a book on matlab in the use of mathematical modeling in the book, I hope useful for everyone)

数字信号处理中，几个实验的matlab原代码。(Digital signal processing, Matlab several experiments the original code.)