Cognitive-radio

常见的一维搜索，机械设计优化算法，牛顿，黄金分割，抛物线(Common one-dimensional search, the mechanical design optimization algorithm, Newton, Golden Section, the parabolic)

说明：  实现了异步电机的两相旋转坐标系下的转速控制，且能矢量控制(Realize the asynchronous motor two-axis rotating coordinate model speed and vector control )

本程序是功率谱密度的仿真比较,关于三个信号源的具体情况参见《现代数字信号处理导论》上册，P202，习题5。 实验方法：周期图法、自相关法和协方差法。 (this procedure is the power spectral density of the simulation, 3 signal source on the specific circumstances, see the "modern digital signal processing" Introduction to the first volume, P202, Exercise 5. Experimental Methods : Chart cycle, since the correlation and covariance method.)

“Applied Econometrics using MATLAB”配套的计量经济Matlab包(MATLAB code for: 1. least-squares, simultaneous systems (2SLS,3SLS, SUR) 2. limited dependent variable (logit, probit, tobit) and Bayesian variants 3. time-series (VAR, BVAR, ECM) estimation and accompanying forecasting functions 4. ridge, Theil-goldberger, switching regimes, robust regression 5. regression diagnostics, e.g. Belsley, Kuh Welsch, Cook-Weisberg 6. cointegration testing 7. statistical distributions (CDF, PDF and random deviate generation) 8. Bayesian Gibbs sampling estimation and MCMC convergence diagnostics 9. maximum likelihood and Bayesian spatial econometrics functions 10. lots of other stuff, over 350 functions)

提取某合成信号的三个频率成分，设计相应的滤波器，matlab源程序(Extract the three components of a mixed signal via a lowpass,bandpass and highpass filter.)

说明：  采用特征脸的人脸识别MATLAB程序,加了中文注释(Eigenface using MATLAB Face Recognition procedures, add the Chinese Notes)

说明：  经典的EM算法程序，用于正态混合分布模型的参数估计,希望能够对大家有帮助！(classic EM algorithm for the Normal Distribution hybrid model parameter estimation, we hope to be able to help!)

基于3GPP标准的信道编码turbo码的simulink仿真文件。(Simulink simulation files based on the 3GPP standard channel coding turbo codes.)

说明：  本模型是基于matlab Simulink搭建的PQ控制和下垂控制模型，可以用于微电网的并网和孤岛运行PID参数已经调好，效果理想，可以供参考。(This model is based on the model of PQ control and droop control built by MATLAB Simulink. It can be used in the parallel operation of microgrid and islanding operation. The PID parameters have been adjusted, and the effect is ideal, which can be used for reference.)

学习MATLAB编程，包含百个经典例子。(some example program of matlab)