jietiao

肌电信号 第一个周期内的一块肌肉的一个步态的肌电信号(emg qqqqqqqqaaaaaaaaasfasfafaf)

这是一个仿真qpsk信号通过不同信道模型（包括单径，多径，莱斯，瑞利平坦等信道）的性能的matlab程序。(This is a simulation qpsk signals through different channel model (including single-track, multi-track, Condoleezza Rice, Rayleigh and other flat Channel) Performance of Matlab procedures.)

说明：  相控阵天线六边形阵与矩形阵方向图，圆形喇叭天线方向图(Phased array antenna array and hexagonal array pattern of rectangular, circular horn antenna)

2013数学建模研究生B题建立多项式模型代码(2013 graduate of mathematical modeling to establish polynomial model code B title)

AFSA_fxy是用人工鱼群算法（artificial fish swarm algorithm）解决二元函数寻优问题。文件打开后运行AFSA_fxy.m文件即可得到结果，代码中有详细注释，方便修改。运行示例已经保存为图片附在压缩包中。(AFSA_fxy is (artificial fish swarm algorithm) to solve the optimization problem with a binary function AFSA. Run AFSA_fxy.m file to get the file to open the result, the code has detailed notes, easy to modify. Run the sample has been saved as a picture attached to the compressed package.)

matlab 子空间辨识算法的总数解析matlab 子空间辨识算法的总数解析(subspace identification algorithm matlab total analytic subspace identification algorithm matlab total analytical)

一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，计算误比特率。(First, the program uses 16QAM modulation, the source of a string of two binary modulation, with the Raised Cosine modulated baseband functions, and then transferred to high-frequency channel in the channel by adding Gaussian white noise, the use of matched filter demodulation, demodulation constellation plot using the minimum Euclidean distance decoding decision, bit error rate calculation.)

计算一维时间序列的盒子维数，并提供了洛伦兹、哈农两种典型的混沌信号以及实际海洋背景噪声信号可供计算参考。(Calculate the dimension of the box one-dimensional time series and provides Lorentz, Hanon two typical chaotic signal and the actual ocean background noise signal for calculation.)

svd去光照文章，效果不错......................(svd de illumination parper。。。。。。。。。)

二分法求解非线性方程的根，有详细中文注释和例程！(Dichotomy for solving nonlinear equations of the root, with detailed notes in Chinese and routines!)