model3

本文件详细介绍了先进PID控制技术的发展，并附有matlab仿真程序。(This document details the development of advanced PID control technology, together with matlab simulation program.)

the upsample and down sample function rebuild as new code resamplex

说明：  国外数字通信基础教材，Fundamentals of Digital Communication 英文版，作者Madhow, Upamanyu(Fundamentals of Digital Communication. Author: Madhow, Upamanyu)

利用罚函数法求解下列问题：求f=x1^2+4*x2^2的最小值，其中要满足：x1-x2-1≤0 -x1-x2+1≤0 x2-1≤0 (Using penalty function method to solve the following questions: o f = x1 ^ 2+ 4* x2 ^ 2 minimum value, which will meet: x1 x2-1-0 or -x1 x2+ 1 or 0- X2-1 or 0 )

本代码介绍了舰载相控阵雷达在海杂波背景下进行动目标检测的方法，性能稳定，杂波消除明显，目标信号提取有效，代码值得相关研究人员学习和参考。(This code introduces the method of how shipborne PAR radar detects moving object signal in strong sea clutter background with many good attributes.)

说明：  OFDM中基于循环前缀的最大似然估计同步算法仿真(Simulation of OFDM synchronization algorithm based on maximum likelihood estimates of the cyclic prefix)

医学图像配准工具箱，对用互信息图像配准有帮助(Medical image registration toolbox for image registration using mutual information helpful)

matlab没有提供画椭圆的函数，该函数在获得椭圆中心 长轴轴 短轴后进行画椭圆，其中使用复变函数(did not draw an ellipse matlab function, the function in the long axis of the axis minor axis of the ellipse center painted oval, which use the complex function)

3 dimensin grafik simulator

基于高阶累积量的调制识别matlab源码，该算法可以对常用的2ask,2psk,2fsk,4ask,4psk,4fsk信号进行识别，准确率高。(high-order cumulants modulation recognition 2ask,2psk,2fsk,4ask,4psk,4fsk)