Otsu

设计特定的进化操作或约束修正因子。文献[ 28 ]采用罚函数法,利用非固定多段映射罚函数对约束优化问题进行转化,再利用PSO求解转化后的问题,仿真结果显示PSO相对进化策略和遗传算法有优越性,但其罚函数的设计过于复杂,不利于求解(Operation or design of the evolution of specific binding correction factor. Literature [28] The penalty function method, using non-stationary multi-stage fine mapping function to transform constrained optimization problem, and then transformed using PSO to solve the problem, simulation results show that PSO is relatively evolution strategy and genetic algorithm has advantages, but the penalty function The design is too complex and not conducive to solving)

very good ofdm notes

Matlab leaf recognition awesome code

射频方面的资料，里面有详细的M文件，希望对大家有用。（共5个文件）(Radio frequency information, there are detailed paper M, in the hope that useful to everyone. (A total of 5 files))

说明：  本程序是基于S变换的短时电能质量扰动检测方法实现的，用于分析电压暂降的幅值、相位跳变、持续时间和谐波含量进行分析(This procedure is based on the S transform short-term power quality disturbance detection method implemented for the analysis of voltage sag magnitude, phase transition, duration, and harmonic content analysis)

解决了非线性函数的逼近问题,实现了BP神经网络在非线性函数逼近中的应用。得出了信号的频率与隐含点之间，隐含点与函数逼近能力之间的关系——隐含层神经元数目越多。(Solved the problem of nonlinear function approximation, and realized the application of the BP neural network in nonlinear function approximation. Between signal frequency and implicit points are drawn, implied the relationship between the point and the function approximation ability, the more number of hidden layer neurons. )

均值便宜跟踪的示例，小波包分析提取振动信号中的特征频率，包含优化类的几个简单示例程序。( Example tracking mean cheap, Wavelet packet analysis to extract vibration signal characteristic frequency, Optimization class contains several simple sample programs.)

the code uploaded is very useful in geretanig multipath rayleigh fading channel for ofdm system

说明：  very good paper in mimo ofdm synchronization

C++ code for computation of the inverse matrix with dimension 3x3.