多重分形去趋势波动分析方法 MFDFA

适用于生态分析的C语言代码，多样性分析以及环境因子相关性(C language code for ecological analysis)

Siemens plc stl source

对一系列散点数据进行拟合，得到平滑的曲线(A series of scattered data are fitted to obtain a smooth curve)

研究死区时间对三相SPWM逆变器影响的模型。(The model of the influence of dead time on the three-phase SPWM inverter is studied.)

说明：  使用软阈值、硬阈值和低通滤波的方法对图像去噪，并求信噪比和均方根误差评价效果(The methods of soft threshold, hard threshold and low-pass filter are used to denoise the image and evaluate the SNR and RMSE)

hht example for python

simulation of 24 pulse isolated. it is the best compared with 12 pulse and below in power factor. it can be achieved with 12 pulse and simple pulse doubling circuit.

扩展卡尔曼滤波估算电池的SoC,电池采用戴维宁模型，并与安时积分法进行了比较，误差不超过5 ，结果可靠(The extended Calman filter to estimate the battery SoC and battery using Thevenin model, and compared with the current time integral method, the error is less than 5 , the result is reliable)

这是一个改进的人脸识别 算法,希望对大家有用-This is an improvement of face recognition algorithm, it may be useful to hope

JSP版网页计算器源码，一个JSP小程序，我现在没有JSP测试环境，没有抓到运行截图，程序比较小，含有Java代码文件，有意的请下载代码。