Numerical_Analysis

将正弦波与宽带噪声分离开来，并提取正弦波信号(The sine wave and separated from the broadband noise, and extract the sine wave signal)

说明：  S 函数使用及应用举例，对涉及到simulink里s函数的应用有详细的解释(For example, using the S function and application of Simulink in the s function involves the application of a detailed explanation)

capon波束形成 和 capon功率谱图 附有详细注释

改进差分进化算法在电力系统无功优化中的应用(Application of Improved Differential Evolution Algorithm in Reactive Power Optimization)

用于振动方程求解，其中包含了newmark-B的积分数值求解方法，以及求解过程。(It is used to solve the vibration equation, including the Newmark-B integral numerical method and the solving process)

说明：  本模型是基于matlab Simulink搭建的PQ控制和下垂控制模型，可以用于微电网的并网和孤岛运行PID参数已经调好，效果理想，可以供参考。(This model is based on the model of PQ control and droop control built by MATLAB Simulink. It can be used in the parallel operation of microgrid and islanding operation. The PID parameters have been adjusted, and the effect is ideal, which can be used for reference.)

说明：  BP神经网络经典算法 用于故障检测案例 已经使用过 可放心使用(BP neural network classic algorithm used in fault detection cases It has been used and can be used safely)

Matlab code for interconnect design

三维重建，使用matlab编写的，效果可以(3D reconstruction, prepared by the use of Matlab, the effect can)

频谱周期图的MATLAB程序，主要对信号进行加窗处理，包括海明窗等等(Periodogram spectrum)