dmtteq3

辛普森公式的自适应积分：在整个积分区间使用相同的小步长 ，以保持整体精度。然而，实际应用中，函数的振荡起伏的情况处处不同，这并没有考虑到曲线的某些部分变化剧烈，需要比其他部分多加考虑的情况。而有些部分，曲线的变化缓和，因此可以采用大于平均值的步长 来进行积分。因此，引入一种能够在函数值变化大的区间采用小步长的方法是很有用的。这种方法，称为自适应积分。(Adapt integral based on Simpson integral)

这是一个好用的频偏估计算法的matlab仿真程序,DSmT证据推理的组合公式计算函数，包括数据分析、绘图等等。( This is a useful frequency estimation algorithm matlab simulation program, Combination formula DSmT evidence reasoning calculation function, Data analysis, plotting, etc..)

matlab实现QPSK的调制和解调，有完整的代码，详细的解释，另外还有个课程设计说明书(QPSK modulation and demodulation by matlab)

matlab 5手册，方便查看，使用学习手册(Matlab 5 manual, convenient to view，Use manual)

Author: Xianju Wang Summary: 2 Dimensional Spectral Estimation MATLAB Release: R12 Description: Estimating the power spectrum associated with a random process is desirable in many applications. This package includes four important 2-D spectral estimation methods.(Periodogram, Autorrelation Method, Covariance Method, Modified Covariance Method).(Author : Xianju Wang Summary : 2 Dimensional Spectral Estimation MATLAB Rele ase : R12 Description : Estimating the power spectrum associated with a random process is desirable in many applicati ons. This package includes four important 2-D's pectral estimation methods. (Periodogram. Autorrelation Method, Covariance Method. Modified Covariance Method).)

基于麦克风十字阵列的波速形成二维空间的声源定位(Forming a sound source localization based on two-dimensional space velocity microphone array Cross)

说明：  用于提取语音每帧的mfcc函数，将数据保存在cell文件中，可以直接使用cell，也可经过变换，提取到表格中使用(The MFCC function used to extract each frame of speech is saved in cell file. Cell can be used directly or transformed to extract the data into tables)

在优化问题中，利用弗洛伊德算法求任意两点的最短路径(In optimization problem, the use of Freud algorithm arbitrary points of the shortest path)

说明：  实现了异步电机的在两相静止坐标系下的转速控制(Realize the asynchronous motor in two-phase static coordinate speed control )

pca code for face reconition