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相关函数和互相关函数，广泛应用于工程测量技术中。 (Correlation function and cross-correlation function is widely used in engineering surveying technology.)

用神经网络的方法来自动识别2FSk/2PSK/2ASK(Method using neural networks to automatically identify 2FSk/2PSK/2ASK)

该程序对于重力异常的数据可以进行导数换算，对于重力数据处理有很大的用处。(The procedure for the gravity anomaly data can be derivative conversion, is very useful for processing gravity data.)

使用PCA算法的故障诊断MATLAB仿真程序(PCA fault diagnosis procedure)

说明：  FFT实现频谱图FFT实现频谱图 FFT实现频谱图FFT实现频谱图(FFT FFT FFT)

时域有限差分法在matlab软件中的实现(Time domain finite difference method in the Matlab software)

用EKF算法进行仿真，模拟了PMSM的电机动态数据，取得良好效果(The EKF algorithm is used to simulate the PMSM dynamic data and achieve good results.)

上传一个PCA的原代码，以便供大家互相交流和学习使用(the original code, in order for the mutual exchange and learning to use)

TRAINDIFFEVOL(NET,Pd,Tl,Ai,Q,TS,VV) takes these inputs, NET - Neural network. Pd - Delayed input vectors. Tl - Layer target vectors. Ai - Initial input delay conditions. Q - Batch size. TS - Time steps. VV - Either empty matrix [] or structure of validation vectors. and returns, NET - Trained network. TR - Training record of various values over each epoch: TR.epoch - Epoch number. TR.perf - Training performance. TR.vperf - Validation performance. TR.tperf - Test performance. TR.mu - Adaptive mu value.

距离保护傅里叶模型相间阻抗算法 使用图基滤波器 控制阻抗轨迹显示范围 在阻抗平面画出阻抗圆特性、整定阻抗直线特性和短路阻抗轨迹( Impedance phase distance protection Fourier model-based filter algorithm control using the map display range impedance locus in the impedance circle characteristic impedance plane plot, setting characteristics and short-circuit impedance line impedance locus)