speckle

This is matlab code for stockwell transform as a time frequency distribution for feature extraction that was developed by Doctor stockwell

说明：  calssification algorithm

信号特征提取16个时域、频域指标 均值、标准差、方差、 偏斜度指标、峭度指标、 峰-峰值、峰值、均方幅值、平均幅值、方根幅值、波形指标、峰值指标(Signal feature extraction 16 time domain, frequency domain mean, standard deviation, variance, skewness index, kurtosis index, peak- peak, mean square amplitude, average amplitude, square root amplitude, waveform indicators Peak Indicators)

说明：  电力系统无功优化相关，基于粒子群优化算法的电力系统无功优化设计(Power system reactive power optimization)

说明：  使用最小二乘法对永磁同步电机进行参数辨识，在simulink中搭建了永磁同步电机模型，然后使用s函数写了最小二乘法。(Use the least square method to identify the parameters of the permanent magnet synchronous motor, build a permanent magnet synchronous motor model in simulink, and then use the s function to write the least square method.)

说明：  DCT域的嵌入程序，可以获得较高的鲁棒性，且嵌入秘密信息后的不可感知性也很好。(DCT embedded procedures, get higher robustness, and secret information embedded in the perception is also not very good.)

相关分析过程的matlab方法，通过反复训练模板能有较高的识别率，IDW距离反比加权方法，使用混沌与分形分析的例程，均值便宜跟踪的示例，进行波形数据分析,基于chebyshev的水声信号分析。( Correlation analysis process matlab method, Through repeated training yqyQVtxlate have higher recognition rate, IDW inverse distance weighting method, Use Chaos and fractal analysis routines, Example tracking mean cheap, Waveform data analysis, Based chebyshev underwater acoustic signal analysis.)

复杂网络中，度分布计算，函数，并绘制出度分布的分布图(Complex networks, distributed computing degree, function, and mapping the distribution of out-degree distribution)

说明：  混沌时间序列 多步预测－－多步预测问题(Chaotic time series multi-step prediction- the issue of multi-step prediction)

受光照影响的人脸预处理算法，使用小波变换和同态滤波(Affected by light Face preprocessing algorithm, using wavelet transform and homomorphic filtering)