spectrum-detection

Simulation of A to ground fault in a transmission system in SymPowerSystems. Also attached simple program to obtain a txt file with fault voltage values from standard .mat MATLAB file.

HDB3编码。按照HDB3规定对输入进行编码(HDB3 encoding. In accordance with the provisions of the input is encoded HDB3)

说明：  神经网络 侯媛彬 西安电子科技大学出版社 全书程序文件夹CH8(Neural network)

在线参数辨识的相关论文，可以参考进行算法设计(Online parameter identification of the relevant papers, can refer to algorithm design)

采用有限单元法计算平面刚架自振频率，可生成单刚、单元质量阵并组成总刚、总质量矩阵，并绘图显示。(Plane frame using the finite element method to calculate the natural frequency can be generated just a single unit consisting of the total mass matrix and just total mass matrix, and graphics.)

计算振动信号的Choi-Williams分布，通过对照轴承故障特性频率可知，轴承的外圈发现了故障，完成了对外圈的故障特征提取。(The Choi-Williams distribution of the vibration signal is calculated. Through the comparison of the bearing fault characteristic frequency, the outer ring of the bearing is found to be faulty.)

说明：  利用复高斯随机矩阵来模拟随机散射介质模型(The complex Gaussian random matrix is used to simulate the random scattering medium model)

Linear Algebra - Math book

matlab程序，自动多阈值分割，本方法较好用适合，经本人亲自验证(matlab program, automatic multi-threshold segmentation, the method used for good, I personally verified by the)

说明：  dijkstra算法对于最短路问题的求解(Dijkstra shortest path algorithm for solving the problem)