LFNEWTON

用fdatool设计一个50Hz陷波器，导出系数，编程，对原始信号signal.txt进行滤波。 本程序为Matlab程序。(50Hz with fdatool design a notch filter, export coefficient, programming, filtering the original signal signal.txt.)

说明：  递推的极大似然法辨识程序 用递推的极大似然法对系统辨识的参数集 (recurrence of maximum likelihood method recursive identification procedures used by maximum likelihood method of system identification parameter sets)

cofdm simulation graphs(4) 摘自９４年名家论文(cofdm simulation graphs (4) from the famous 94 theses)

实现维特比的软判决译码仿真，比较软判决硬判决的性能(viterby soft decision)

产生一个正交相位调制信号（QPSK），该信号可供复数解析，调制相位为（0，pi/2,pi,3*pi/2）(have an orthogonal signal phase modulation (QPSK), which is available for complex signal analysis, Phase modulation (0, pi/2, pi, pi* 3/2))

用于数据处理时的孤立点分析，剔除孤立点，从而使历史数据更加准确(Outlier analysis for data processing, excluding the outlier, so that more accurate historical data)

利用MATLAB GUI设计实现图像处理的图形用户界面，利用MATLAB图像处理工具箱 实现以下的图像处理功能。 1、 采用matlab Guide设计图像界面与按钮界面。 2、 连接摄像头，编写MATLAB初始化程序。 3、 用摄像头采集一幅图像，并能实现保存（使用控件按钮保存）。 4、 设计按钮实现对图像进行任意的亮度和对比度变化调节，显示和对比度变化前 后的图像 5、设计按钮实现用户能够用鼠标选取图像感兴趣区域，显示和保存该选择区域。 (Image processing using MATLAB GUI design graphical user interface, using the MATLAB image processing toolbox Implement the following image processing functions. 1, Guide design based on matlab image with the button interface. 2, connect camera, write MATLAB initialization. 3, use camera to collect an image, which can be saved using the control button to save). 4, design button implementation for any changes in brightness and contrast adjustment, display and contrast changes before After the image of the 5, design interest to be able to use the mouse to the image button to achieve the user area, display and save the selected area. )

说明：  newmark 简单方法 简单的示例 简单易懂(The newMark simple method simple example is easy to understand)

讲解如何使用Matlab进行建模与仿真，并对仿真结果进行分析和可视化(Explain how to use Matlab for modeling and simulation, and simulation results for analysis and visualization)

Calc standard error of the mean or non-parametric confidence intervals for samples of a time series