Chapter02

基于最小二乘法和相关系数法的系统辨识方法(Based on the least squares method and correlation coefficient law system identification methods)

matlab 蚁群算法 源程序，里面有多个m文件(ant colony algorithm matlab source code, there are several m-files)

非二位元LDPC 32 CODE錯誤率 非二位元LDPC 32 CODE錯誤率(Non-two yuan LDPC 32 CODE error rate of non-two yuan LDPC 32 CODE error rate)

数值分析中的SEIDEL迭代法的MATLAB源程序，按照代码中的提示输入，可以直接得出结果(Numerical Analysis SEIDEL iteration of the MATLAB source code, in accordance with the prompt code input, the results can be directly)

利用matlab验证循环码的编码方法，用matlab编码得到所有许用码组。(Matlab validation circulation yards coding method, matlab code get all the allowable yards group. )

级联多电平并网逆变器直接功率控制，有功武功可以实现解耦控制，动态和静态性能良好。(cascade multilevel invertor direct power control)

nonmaxsup——非最大值抑制 hysthresh——设定阈值区间，返回一个二值化图像 canny——边缘探测，图像边缘增强 adjgamma——调整图像的伽马值 findline——利用线性Hough变换和Canny边缘探测得到的线上各点的坐标 circlecoords——返回由圆的半径和圆心坐标决定的圆上各点像素的坐标 houghcircle——取一幅经过canny变换的图像，利用hough变换找到图像中的一个圆 findcircle——计算所得线上各点的坐标归纳出一个圆的半径和圆心，确定该圆的各点坐标 gaborconvolve——利用一维盖伯滤波器对图像进行处理 gethammingdistance ——返回两幅虹膜图像提取的特征码之间的海明距离 linecoords——返回一条线的上各点的x,y坐标值(nonmaxsup- non-maximum suppression hysthresh- set the threshold range, returns a binary image canny- edge detection, image edge enhancement adjgamma- adjust the image' s gamma value findline- linear Hough transform and Canny edge detection get the coordinates of each point circlecoords online- Returns coordinate houghcircle on the circle of the radius and center coordinates of the points decision pixels- After taking a picture canny transformation, using hough transform to find the image of a circle findcircle- the calculated coordinates of each point line summed up a circle of radius and center, to determine the coordinates of each point of the circle gaborconvolve- using a 维盖伯 filter for image processing gethammingdistance- returns two iris images extracted linecoords Hamming distance between the signature- a return line to the points on the x, y coordinate values)

粒子群算法优化函数求解极值的问题。通过该程序我们可以看到粒子群优化算法的优化过程。(Particle Swarm Optimization for Solving Extremum problems. Through this program we can see that PSO optimization process.)

说明：  在计算机上实现直流电动机的脉宽调速、双闭环晶闸管调速的Simulink仿真，可以较为形象的观察电动机的调速全过程，同时可以改变相关参数来实现不同情况下的调速过程。(The computer realization of the PWM DC Motor Speed Control, dual-closed-loop speed control thyristor Simulink simulation, the image can be observed the whole process of motor speed, while the relevant parameters can change under different circumstances to achieve the speed control process.)

处理由采集卡采到的加速度传感器测得的信号，并分析其在0-1000Hz的频谱幅值并绘制频谱图(Processed by the acquisition card taken to the measured acceleration sensor signal, and to analyze the spectrum of the 0-1000Hz and draw the amplitude spectrum)