ImageEnhance

说明：  ofdm条件下的MIMO系统代码，有利于分析信道特性，是比较基础的一个模拟系统。(ofdm MIMO system under the code, facilitate analysis of channel characteristics, it is more based on a simulation system.)

Model order reduction using proper orthogonal decomposition (POD)

可将可见光波段的波长转换为RGB颜色的值(Converting the visible light wavelength to RGB-values)

Classifier in matlab

马尔科夫决策过程值迭代算法value iteration，策略迭代等函数代码，从国外网站下载，非常详细，有用。(Markov decision process value iteration algorithm value iteration, policy iteration and so the function code, from the foreign website, very detailed and useful.)

应用切片理论计算船舶水动力系数，以一条船分为20站为例进行计算(Application slice theoretical calculations ship hydrodynamic coefficients to a boat into 20 stations as an example calculation)

信号包络，提出信号包络，便于观察信号波动过程，非常有用(Signal envelope, put forward the signal envelope, easy to observe the process of signal fluctuations, very useful)

face recognition with lda+pca

4万亿投资的数模论文与实现的源代码，自己在学习数模课程的作业(4 trillion investment in digital to analog Papers and the source code, in the course of the digital-analog operations)

（1）编程建立Gold序列，仿真Gold序列的波形； （2）仿真Gold序列的自相关和互相关特性。 （3）编程仿真直接扩频通信系统模型，画出扩频前后信号波形及频谱。((1) programming Gold sequence and simulating the waveform of Gold sequence; (2) the autocorrelation and cross correlation characteristics of the simulated Gold sequences. (3) programming direct spread spectrum communication system model, draw the signal spectrum and spectrum before and after spread spectrum.)