chengxu

QPSK modulation in Rayleigh channel

预测人口时可以用到，用matlab编程计算出人口数据(Can be used to predict the population, population data calculated using matlab programming)

matlab四阶龙格库塔法，，，，，，，，，，，，，，，，，，(runger kutta)

一种求解目标函数最小化的MATLAB仿真程序.(A solution of the objective function to minimize the MATLAB simulation program.)

利用扩展卡尔曼进行状态估计 状态向量四维 测量向量二维 误差为高斯白噪声(The use of extended Kalman state vector for state estimation of two-dimensional four-dimensional vector measurement error is Gaussian white noise)

MATLAB环境下采用灰度变换的方法增强图像的对比度(Using gray-scale transformation method of contrast-enhanced images)

本课件主要讲述MMatlab Simulink中S函数(Function)的写法,其中包含非常实用的S-函数介绍（为什么要引入S-Function？)、S-函数的分类、使用（实例演习）等(The courseware in the main about MMatlab Simulink S function (Function) is written, which contains the S-function is very useful Introduction (why the introduction of S-Function?), S-function category, the use of (example exercises), etc.)

quantization in pam modulation

基于Hough变换检测圆的matlab程序，很实用的，可拿来直接用(Based on Hough transform circle detection matlab program, very practical, can be used directly)

基于云模型的PID控制算法，可以大大提高控制效率(PID control algorithm based on cloud model, can greatly improve control efficiency)