pingpufenxi

说明：  一个bp-pid混合控制水箱的仿真程序，bp用来在线修正PID的三个参数(Bp-pid hybrid control of a tank simulation program, bp-line amendment to the three parameters of PID)

对matlab初学者很有帮助，尤其是simulink的爱好者。(helpful to beginners Matlab, Simulink is particularly fond.)

一段可以借鉴的增强图像效果的matlab代码，能达到很好的效果，可以参考。(Some can learn from the matlab code, can achieve good results, you can reference.)

使用Matlab，编程实现Turbo码的编码及其解码算法，并给出在AWGN信道下该信道编码的性能(use Matlab, Turbo programming code coding and decoding algorithm, and gives the AWGN channel under the Channel Coding Performance)

logistic映射从倍周期分岔进入混沌的分岔图算法(Logistic mapping the period-doubling bifurcation into the bifurcation diagram of chaos algorithm)

matlab信号的DOA估计 music算法 加入循环(bpsk music cyclic doa)

电路 信号系统仿真的源码 基于multisim10.0(Signal System Simulation multisim10.0 based on the source)

高速铁路路基沉降是一个复杂的系统过程,涉及不同时期、不同工况,选用单一的预测模型不足以反映路基整体的变形规律.Logistic模型及Verhulst模型的曲线均为S形,可以反映全过程的地基沉降与时间的关系.针对路基填筑期和降水期两个时段利用MATLAB软件编制程序计算模型参数,得到Logistic模型和灰色Verhulst模型,进而求得两者的最优加权组合模型.对比结果表明:在路基填筑期由两者的最优加权组合模型预测得到的结果与实测结果较吻合,拟合精度高于单一模型 而在降水期Verhulst模型的预测值更接近实测值,平均相对误差约为1.75％,拟合精度较高.(High-speed railway subgrade settlement process is a complex system involving different times and in different conditions, the choice of a single forecasting model does not adequately reflect the overall deformation of roadbed. Curve Logistic model and Verhulst models are S-shaped, the whole process can be reflected foundation settlement versus time. against roadbed construction period of two hours and precipitation using MATLAB software programming model parameters, the Logistic model and gray Verhulst model, and then get the optimal model of a weighted combination of the two. comparative results indicate : results and experimental results in the roadbed construction period by the weighted combination of the best of both models predicted than the anastomosis fitting accuracy than a single model precipitation predicted value of Verhulst model closer to the actual value of the average relative error approximately 1.75 fitting accuracy.)

模式搜索法源程序。模式搜索方法是求解最优化问题的一种直接搜索方法,它不用目标函数与约束函数的导数信息而只用函数值信息,是求解不可导或求导代价较大的最优化问题的一种有效方法。(Source model search. Pattern search method for solving optimization problems is a direct search method, it should not be the objective function and constraint function information of the derivative function only information is the solution of non-derivative or derivative of the cost of a larger optimization problem of a effective way.)

Modeling a 4G-LTE System in MATLAB