control_system_analysis_xuedingyu

Time-frequency representations with fixed windows or kernels figure prominently in many applications, but perform well only for limited classes of signals.

关于电力系统暂态稳定短路计算的一些源程序同时是有关matlab优化的源程序(Short circuit on the power system transient stability calculation of some of the source code is also optimized for matlab source code)

matlab界面编程用来进行图像二值化，模糊聚类等操作(matlab GUI)

用自相关函数的方法获得语音信号的基频，来识别男女(Baseband, using the autocorrelation function method to obtain a voice signal to identify sexes)

近年来，声子晶体深受欢迎 关键词：MATLAB 声子晶体 能带( In recent years, the popularity of phonon crystals Keywords: MATLAB phonon crystal band)

粒子群典型主程序 适合求取全局最优解 并且考虑失败情况 求均值代替(PSO typical main global optimal solution for strike)

本书系统介绍matlab图论算法，图论在规划问题中有大量灵活应用。本书适合初学者，对于数学建模参赛者也有裨益。(This book describes the matlab graph theory algorithms, graph theory, a large number of flexible application programming problem. This book is suitable for beginners, but also for the benefit of mathematical modeling contestants.)

audio signall processing

This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious. (This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious. )

用matlab实现边缘细化的算法及原理，同时还有一个简单的例子帮助理解(With the edge of matlab implementation of the algorithm and the principle of refinement, at the same time have a simple example to help understand)