cd4011

this program calculates the histogram of an inage

共轭梯度法，用于求解非线性约束问题，适用于matlab程序(Conjugate gradient method for solving nonlinear constrained problem for matlab program)

Code for testing Mathieu functions for AT

蒙特卡洛仿真的文档，对学习通信系统仿真由很大的帮助，请仔细阅读(Monte Carlo simulation of the document, to learn communication system simulation by the great help, please read carefully)

Common Mode Problematic of Solar Inverter Systems

说明：  这里面所有源码均为《通信原理——基于Matlab的计算机仿真》（郭文彬 桑林.北京邮电大学出版社）上的，自己录入整理，均可以运行，方便查找(Communication Principle Simulation)

1、对观测数据进行卡尔曼滤波，得到预测的航迹以及估计误差的均值和标准差 2、返回值包括滤波预测后的估计航迹,以及均值和误差协方差(1, the observed data, the Kalman filter, to get the track and the estimated prediction error of the mean and standard deviation 2, the return value, including forecasts of the estimated filter track, and the mean and error covariance)

用matlab做的天线转台控制系统，为有扰动情况下并且进行极点配置程序(Using matlab to do the antenna turntable control system for disturbance circumstances and procedures for pole placement)

load flow by newton raphson method

使用Matlab语言编写的俄罗斯方块游戏，参考学习借鉴。(Using the Matlab language of the Tetris game, reference and learn from.)