polysimu1

用music方法估计功率谱，并估计信号频率和峰值(Music method estimates the power spectrum, and estimate the signal frequency and peak)

This file contains optimization codes

说明：  随机网络，小世界网络，无标度网络等经典网络的生成源代码，下载打开后直接运行即可。(Random network, small world network, scale-free network and other classic network source code, download and open directly run.)

说明：  matlab 环境下编的时钟程序代码，业余爱好的(MATLAB，clock)

SIFT DESCRIPTOR SOURCE CODE

本程序是ldpc的C语言源代码，如果有需要可以下载学习，可以学习整个通信框架(This program is ldpc the C language source code can be downloaded if there is a need to learn, you can learn the entire communication framework)

这是用matalab实现的EM算法，简单易用，对于理解EM算法很有用，尤其是对于初学者。(This is the EM algorithm implemented with matalab, easy to use, useful for the understanding of the EM algorithm, especially for beginners.)

MUSIC方法估计DOA,并求出了估计角(MUSIC method estimates DOA, and finds the estimated angle )

用粒子群优化算法对三轴稳定航天器姿态控制PD参数进行自动寻优(optimization of PD parameter of attitude controller in spacecraft)

说明：  比较好的源代码 供学者参考，也有助于新手入门(Good reference source for academics, but also help to Getting Started)