fft

针对差分进化算法的程序，基于matlab，(Procedures for the differential evolution algorithm, based on matlab,)

结合PCA的尺度不变特征变换(SIFT)算法源代码，可用于图像目标检测和识别。(combine PCA scale-invariant feature transformation (metabolism) algorithm source code, images can be used to target detection and identification.)

稀疏建模工具箱，是一个为解决各种稀疏估计问题的开源优化工具箱，可实现字典学习与矩阵分解；使用LARS、快速下降法、OMP、SOMP等算法解决稀疏分解问题；使用Lasso解决结构化稀疏分解问题( Dictionary learning and matrix factorization Solving sparse decomposition problems with LARS, coordinate descent, OMP, SOMP, proximal methods Solving structured sparse decomposition problems )

自己编写的随机子空间算法，可以用作参考，希望对大家有所帮助(Random subspace algorithms I have written, can be used as a reference)

遗传算法无功优化，小波包分析提取振动信号中的特征频率，插值与拟合的matlab实现。( Genetic algorithm based reactive power optimization, Wavelet packet analysis to extract vibration signal characteristic frequency, Interpolation and fitting matlab implementation.)

适合学习三相电网整流到直流的电路，及搭建模块的知识，深刻理解模型及意义(Suitable for studying the three-phase power rectifier to the DC circuit, and to build knowledge of the module, and a deep understanding of the model and significance)

computes the coherence in hanning windows

小波包分析提取振动信号中的特征频率，完整的基于HMM的语音识别系统，通过反复训练模板能有较高的识别率。( Wavelet packet analysis to extract vibration signal characteristic frequency, Complete HMM-based speech recognition system, Through repeated training yQnfuphlate have higher recognition rate.)

说明：  模拟退火处理tsp问题，matlab 代码(tsp problem matlab code)

应用sift算子进行图像匹配，效果不错。。。(sift is used to match two picture，the result is good...)