griddataexam

Apply the standard QR-decomposition based LSL algorithm using angle-normalized error to predict/estimate complex-valued processes.

实现局部寻找最大值点，通过Matlab软件实现(Local search for maximum points achieved by Matlab software)

几个简单的空域滤波器程序，包括Guassian、laplace和unsharp(A few simple spatial filter process, including the Guassian, laplace and unsharp)

matlab仿真中用s函数编写的信号频率测定程序(s function matlab simulation using test procedures prepared by the signal frequency)

一种基于Simulink 的三相PWM整流器的建模仿真(A three phase PWM rectifier that is based on matlab simulink tool box)

SSB Matlab/Simulink simulation Module

主要内容(signal_analyzer.rar)如下： test1.txt 第一列为时间t，0.001s为步长；第二列为系统的输入信号；第三列为系统的输出信号。 signal_analyzer.m首先将test1.txt 的数据读入workspace，然后进行FFT，分析出两信号的频率，输出对于输入的幅值衰减（db），输出对输入的相位差。 (Main Content (signal_analyzer.rar) as follows: test1.txt the first time as t, 0.001s for the step the second as the input signal the third as the system output signal. signal_analyzer.m first test1.txt the data read into the workspace, and then FFT, the frequency of the two signals, the output amplitude for input attenuation (db), the output of the input phase difference.)

绘制高斯函数的2D，3D显示及其灰度显示(Draw Gaussian function 2D, 3D display and grayscale display)

Matlab绘制3-D图形的几个例子，很详细，也很全面的介绍了绘制3-D图形的函数，其中最后一个是画直方图的，横向和纵向都有例子。(Matlab 3-D graphics to draw a few examples of very detailed and very comprehensive introduction to drawing 3-D graphics functions, the last one is the histogram drawing, horizontal and vertical are examples.)

说明：  一些数值计算用的MATLAB代码,适合初学MATLAB和数字计算的人使用,根据MATLAB的矩阵思想编写，对初学者更好的把握MATLAB编程思想很有用(Some numerical calculation using MATLAB code, suitable for novice MATLAB and digital computing use, according to the ideological preparation of MATLAB matrix, for beginners to grasp a better MATLAB programming ideas useful)