fx_signal_fft_analysis

Scott (1992) lead to better large sample performance of the histogram.

this file is for island detection of DG. after islandig of grid DG provide it s local load and is stable. ref for this simulation: Islanding Detection and Control of Islanded Single and Two-Parallel Distributed Generation Units by Behrooz Bahrani

EWT算法，参考文献：IEEE, TSP, Empirical Wavelet Transform(EWT, ref: IEEE TSP, Empirical Wavelet Transform)

This file includes FSK,OOSK and QPSK modulations.

这是单自由度的非线性微分方程的求解程序（分段函数），可以画出动响应图和相图。(Nonlinear differential equation)

基于滞环控制的单相并网逆变器仿真，可以学习一下(Based hysteresis control of single-phase grid-connected inverter simulation, you can learn about)

naive bayes分类法的matlab实现，包含训练和测试部分(naive bayes classification matlab realize, including training and testing parts)

2010 数学建模大赛 赛前matlab培训5(2010 Mathematical Contest in Modeling Training (numerical entry) lecture 5.zip)

electrical engineering

零相移滤波器m函数，优点是克服了滤波器产生的相位滞后，缺点是本仿真不能保证实时性，其原理为输入一次序列，正反各变换一遍。(Zero phase shift filter m function, the advantages of the filter to overcome the phase lag, the disadvantage is that the simulation can not guarantee real-time, the principle of the input sequence, the pros and cons of each conversion.)