chengxu

matlab 经典教程学习，为新手提供参考(matlab classic tutorials to learn, provide a reference for the novice)

Comparison of two survival curves can be done using a statistical hypothesis test called the log rank test. It is used to test the null hypothesis that there is no difference between the population survival curves (i.e. the probability of an event occurring at any time point is the same for each population).

去噪处理是图像处理中较为重要的环节。中值滤波是抑制图像的噪声的一个行之有效的办法，选择适当大小的中值滤波窗口可以在最大限度的保持图像精度的基础上去除图像噪声。本文在对中值滤波去噪算法的适用性特点进行研究的基础上，进一步研究了中值滤波去噪算法，同时对其他去噪算法，如均值滤波、低通滤波的小波变换进行分析研究，并做了相应的比较。(Noise reduction is one of the most important parts of image processing. Median filtering is a proven way to remove image noise. To select the appropriate size of the window can maximize to remove image noise on the basis of maintaining the accuracy of the image. On the basis of investigating the application of the median filtering algorithm denoising characteristics, we do further study of the median filtering algorithm denoising. At the mean time we analyzed the mean filtering and wavelet transform algorithm, and compared them.)

应用MATLAB实现数字图像处理。书的pdf文件，对学习数字图像处理有用的(Application of MATLAB digital image processing. Book pdf file, to learn digital image processing useful)

清华模式识别张学工，第一次作业，基于身高体重数据进行性别分类(Pattern recognition, based on height and weight data for gender classification)

利用空间平滑技术的多重信号分类MUSIC算法，在matlab环境下实现(The use of spatial smoothing technique multiple signal classification MUSIC algorithm in matlab environment to achieve)

Extended Luenberger observer for speed-sensorless AC motor d

Time Invariant Time Varying Systems and circular convolution

作为热泵机组四大件之一的冷凝器的计算模型(As one of the four big heat pump units of the calculation model of condenser)

在MATLAB——simulink中仿真了3连杆机械臂，可以精准控制机械臂末端轨迹。(The 3 - bar manipulator is simulated in MATLAB - Simulink, which can accurately control the trajectory of the end of the manipulator.)