ARMA-model-order-determination

针对一个典型的飞机巡航问题，运用模拟退火算法，解决选择最短路问题(Using simulated annealing algorithm to choose the shortest path problem)

阵列信号处理工具箱，可以方便、快捷、准确调用库函数达到相应计算要求。(Array signal processing toolbox, can be convenient, fast and accurate calculation of call library functions to meet the corresponding requirements.)

说明：  基于自组织特征映射（SOM）的系统辨识算法实现(Based on self-organizing feature map (SOM) of the system identification algorithm)

Remote ACcelt.Software Engineering

Qpsk调制的基带数字通信系统通过awgn信道后的误码率(Qpsk modulated baseband digital communication system BER after channel through awgn)

说明：  matlab 直接序列扩频中对于高斯白噪声的抗干扰仿真仿真程序(matlab in direct sequence spread spectrum interference for the simulation of Gaussian white noise simulation program)

程序理论详见内附的pdf：《Hamilton图的充要条件及圈的矩阵算法》 主程序为 [K]=getPk(A,k) A表示图的邻接矩阵，k表示k阶长路和圈 返回K表示该图的所有k阶长路和圈 其他函数介绍： Ppro定义路的乘法 Psum定义路的加法 MatPro定义路矩阵的乘法 isaPorC判断是否为路或圈 P2subP提取路的和式中的所有路 getP1从邻接矩阵得到1阶路矩阵(get a k-path from a graph)

王正林的《精通matlab科学计算》 的全部源码，学习matlab的好资料。 (WangZhengLin "proficient in matlab scientific computing" all the source code, good material for learning the matlab)

音频信号的处理:导入一个时长若干秒的音频信号，得到该音频文件的频率fs和幅度A，显示信号的时域图和频谱图，加入频率为fs/3，幅度为2A的噪声，分析、显示并播放有噪声时时域图和频谱图，以及滤除噪声后的信号的时域图和频谱图。(Audio signal processing: Import a duration of several seconds of the audio signal to obtain a frequency fs, and the amplitude A of the audio file, the time-domain diagram of a display signal, and frequency spectrum, the frequency fs/3, amplitude noise 2A, analysis , display and playback of the noise always domain diagram and frequency spectrum, and the signal after the noise filtering time-domain diagram and spectrum FIG.)

说明：  一个完整的OFDM仿真程序，采用QPSK调制，有信道估计，大家交流下！(A complete OFDM simulation program, using QPSK modulation, a channel estimation, to share next!)