randomsignal

在MATLAB中写M文件：要求用三重循环求两矩阵相乘(M file in MATLAB, write: Request to use triple-loop order to multiply two matrices)

说明：  matlab的使用基础知识5，关于应用微积分（包括数值差分，梯形积分法，矩形区域重积分等）(matlab basic knowledge of the use of 5, on the application of calculus (including the numerical difference, trapezoidal integration method, rectangular area, such as re-integration))

A 64 sub carrier OFDM system based on the parameter of Mean square error

说明：  基于小波变换的阈值去噪，对含噪声图像进行阈值去噪(Threshold based on wavelet transform denoising of images with noise threshold denoising)

Permanent Mangnet Synchronous Motor using sliding model observer.......using SIMULINK

matlab互交式进行数据统计分析的工具包。利用gui界面给方便进行基本的数据统计分析(Matlab interactive statistical data analysis tool kits. Use gui interface to facilitate basic statistical analysis of data)

MATLAB文件。《超宽带无线电基础》配套程序，第二章第一个例程。用于产生PPM编码。(MATLAB file. Ultra-wideband radio base matching program, the first chapter of a routine. PPM for generating code.)

针对永磁同步电机常规直接转矩控制系统涉及到的问题,例如磁链的准确观测、定子电阻的变化、电压矢量开关表的改进以及滞环控制器的改进等等,本文都作了详细的分析,并提出了改进方案。为了提高系统的性能,本文将空间矢量调制的方法引入了常规直接转矩控制中,并在此基础上,对永磁同步电机无速度传感器问题作了详细的分析,总结了国内外的研究热点,提出了采用转子磁链矢量为基础的永磁同步电机直接转矩控制速度估计方法。仿真结果表明,该方案具有很好的动、静态特性。(Firstly, the paper analyzes the principle of direct torque control of permanent magnet synchronous motor and elaborates the impact of space voltage vector of the stator flux and the electromagnetic torque.Secondly, the paper introduces direct torque control of permanent magnet synchronous motor SVPWM technology.Under the same hardware conditions,the system can obtain More continuous voltage space vector by taking advantage of SVPWM.The simulation results show the program not only keeps the direct torque control fast dynamic response, but also reduce the motor torque ripple.)

说明：  计算粒子群算法的适应度函数，粒子群算法的程序和使用(The fitness function of pso is calculated,Particle swarm optimization program and use)

维纳滤波仿真 ，经滤波后的各个模型 ARRA MA等模型(Wiener filter simulation, all through the filter model ARRA MA other model)