threemotor

Matlab code to simulation the wireless channel type.This is the most common case called Rayleigh channel.And in the frequency selective channel.

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.)

这是一个完整的OFDM系统建模，包括主程序OFDM 调制模块，解调模块，调制解调模块中包括BPSK,QPSK,16QAM,64QAM, 主程序包括循环前缀添加，加窗处理，频谱图、PAPR计算，误码率统计等功能。(This is a complete OFDM system modeling, including main program OFDM modulation module, a demodulation module, modulation and demodulation module include BPSK, QPSK, 16QAM, 64QAM, main program includes the cyclic prefix, windowing processing, the spectrum, PAPRcalculate the error rate statistics and other functions.))

数学建模实验报告 报告内容包括数学建模中十分经典的是个问题 使用matlab编写(Mathematical modeling of experimental report in the report, including mathematical modeling is very classic is a problem to use matlab to prepare)

主要介绍MATLAB概率统计计算经典30例，非常实用。(Introduces MATLAB 30 cases of classical probability and statistics calculations, very practical.)

状态子空间的MPC程序段，N4SID算法，可以直接在matlab中使用(The state subspace MPC block, N4SID algorithm, can be directly used in matlab)

最小生成树 用于计算旅行商问题 (Minimum spanning tree used to calculate the traveling salesman problem)

position control of inverted pendulum

一个多重分形谱的计算程序，希望对大家有用(A multi-fractal calculation program, we hope to be useful)

Sullivan的经典 matlab FDTD 教程 源码(Sullivan matlab FDTD)