yin

this file is used to get the shortest path in graph

观测星表的制备，通过对第谷星表的筛选，选出合适的星体，是星敏感器的重要组成部分，适合刚刚接触的人很快进入状态(Preparation observation catalog, through the screening of Tycho catalog, choose the right stars, is an important part of the star sensor, for just contact people quickly enter the state)

说明：  基于滤波器的趋近率滑模控制仿真，主要是卡尔曼滤波(Reaching law based sliding mode control filter simulation, mainly Kalman filtering)

a bc converter alpha be to dq

粒子群算法工具箱求解水电站优化调度问题,欢饮下载(Particle Swarm Optimization Toolbox for Solving Optimal scheduling problem)

几种功率普计算函数：SNR，MSNR 输入参数为带躁信号和处理后信号，输出结果为对应的数值，具体参见文档说明(Several power Pu calculation function: SNR, MSNR impatient with the input parameters for the signal and processed signal, the output for the corresponding values, see the specific documentation)

求绝对值，请输入自己想要求得数字，或者想要求得绝对值等等(Absolute value, enter the number they want to seek, or want to obtain absolute values, etc.)

PN-Chirp codes based on Multi-Correlation Receiver in a bandlimited channel

说明：  2012年美国大学生数学建模竞赛B题程序(MCM2012B answer)

using graphics in matlab