cognitive_sensing

1 通过实验，掌握多元正态分布的最大似然估计； 2 掌握多元正态分布下的最小错误率的贝叶斯分类； 3 对其他的参数估计有更深的认识。 (1 experiment, master multivariate normal distribution maximum likelihood estimation 2 multivariate normal distribution under the minimum control error rate Bayesian classifier 3 on the other have a better understanding of parameter estimation.)

粒子群算法是一种新的模仿鸟类群体行为的智能优化算法，描述了基本粒子群算法和改进粒子群算法的原理。(Particle swarm optimization (pso) algorithm is a kind of new imitate birds swarm behavior of intelligent optimization algorithm, describes the basic principle of particle swarm optimization (pso) algorithm and improved particle swarm algorithm .)

本代码是关于OFDM通信系统的仿真源程序，其中信道编码，QPSK调制，QPSK解调，FFT，IFFT，viterbi编译码，误比特统计，滤波等模块。(The code is on the OFDM communication system simulation source, which channel coding, QPSK modulation, QPSK demodulation, FFT, IFFT, viterbi decoding, bit error statistics, the filtering module.)

基于matlab实现的自身运动估计仿真程序。通过对视频图像的分析，快速估计摄像机自身的运动状态。(Estimate based simulation program matlab realize their movement. Through the analysis of video images, the camera quickly estimate its state of motion.)

模式识别，源程序。Ada_Boost.m文件。希望能有用，经调试可用。(Pattern recognition, source. Ada_Boost.m file. Hoping to be useful, debugging is available.)

说明：  matlab实现双线性插值算法,在界面上实现读取存放缩放图片(matlab bilinear interpolation algorithm to achieve, in the interface to read stored zoom picture)

频谱选取，一般用于后续向量机的诊断的特征。进行了频谱分析后对每个频带的能量进行分离开。(Spectral selection, generally for subsequent diagnostic feature vector machine. Spectrum analysis conducted after the energy of each frequency band to leave.)

cc meth0d 用于计算混沌时间序列的延时和维数(cc meth0d)

CJ-干扰对齐多用户以及单用户的代码学习(CJ- interference alignment multi-user and single user code learning)

用Matlab语言实现带通信号与系统的低通仿真(With the Matlab language and system bandpass low-pass simulation)