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用分步傅里叶变化法求解非线性薛定谔方程，适用于非线性光纤系统(split_step_fourier method for nonlinear fiber optic)

本文首先介绍了三电平逆变器的工作原理，以及空间电压矢量控制技术的基本原理。 其次，详细分析了传统三电平SVPWM算法，对每个主要模块都提出两种MATLAB仿真方法，归纳总结仿真技巧。(This paper firstly introduces the working principle of three-level inverter, and the basic principle of space voltage vector control technology. Second, traditional three-level SVPWM algorithm is analyzed in detail, for each main module proposed two MATLAB simulation method, sum up the simulation technique. )

说明：  三端稳压可调集成芯片．应用很广，可当制作各种类型的稳压源(Three-terminal adjustable regulator ICs. Application is very broad, can be produced when the source of all types of regulators)

用matlab实现三级小波分解，希望对初学者有所帮助(Using matlab to achieve three wavelet decomposition, want to be helpful for beginners)

IEEE57节点电力系统标准参数和潮流数据(IEEE57 node power system standard parameters and trend data)

File with compression factor of the particle swarm algorithm, the weight to improve particle swarm optimization, adaptive weighting method, the random weighting method, particle swarm optimization variable learning factor, learning factor of asynchronous change, the second-order particle swarm optimization, second-order oscillating particle swarm algorithm, chaotic particle swarm optimization, hybrid particle swarm optimization, hybrid particle swarm optimization, simulated annealing algorithm

差分法可逆水印算法仿真,对可逆水印研究有所帮助(Reversible watermarking algorithm difference method simulation, to help the study of reversible watermarking)

直接型IIR滤波器实现源代码，希望与大家共同分享！(Direct IIR filter source code, I hope to share with you!)

离散傅里叶变换的子程序，matlab的built in函数的一部分程序(Discrete Fourier Transform subroutine built in matlab function part of the program)

matlab code for ring resonator simulation