sinx_16_xiebo

稀疏表示理论及其在信号处理和图像处理中的应用(Sparse representation theory and its application in signal processing and image processing)

水果图像的分类处理，与以往不同的是改程序可以直接对图片进项处理(Fruit image classification, and different from the past to change the program proceeds directly to the picture processing)

关于K聚类的源程序，实现信号的分选，自己论文编写的，希望对大家有帮助(Clustering on the K source, the realization of signal separation, the preparation of their papers, and I hope all of you will help)

GM（1，1）源代码，计算原始数据的残差、关联度、小误差概率等。同时画出原始数据和预测数据对比图(GM (1,1) source code to calculate the raw data residuals, correlation, and so a small error probability. At the same time draw the raw data and forecast data comparison chart)

三相PLL锁相环的闭环系统仿真模型，仿真并分析三相输入信号包含谐波、不平衡、负序和直流偏移时锁相环的锁相结果(Closed-loop system simulation model of three-phase PLL phase-locked loop,Simulation and analysis of phase-locked loop results when three-phase input signals include harmonics, unbalance, negative sequence and DC offset)

signal to dq frame for single phasepwm rectifier which work in open loop for traction systems.matlab simulink modal is aasigned with it.

某校60名学生的一次考试成绩如下： 某校60名学生的一次考试成绩如下： (93 75 83 93 91 85 84 82 77 76 77 95 94 89 91 88 86 83 96 81 79 97 78 75 67 69 68 84 83 81 75 66 85 70 94 84 83 82 80 78 74 73 76 70 86 76 90 89 71 66 86 73 80 94 79 78 77 63 53 55 1)计算均值、标准差、极差、偏度、峰度，画出直方图； 2)检验分布的正态性； 3)若检验符合正态分布，估计正态分布的参数并检验参数 (1)计算均值、标准差、极差、偏度、峰度，画出直方图； 2)检验分布的正态性； 3)若检验符合正态分布，估计正态分布的参数并检验参数(60 students of a school examination results of the first as follows: (1) calculating the mean, standard deviation, very poor, skewness, kurtosis, draw histogram 2) test of normality of distribution 3) If the test in line with normal distribution, it is estimated that the normal distribution parameters and test parameters)

Eigenfaces tests for grayscale images using PCA and SVD

超声成像得到的射频信号转换为包络信号时的一维滤波(RF signals into ultrasound imaging to obtain one-dimensional filtering of the envelope signal when)

求解计算多个自由度下的机械振动情况，并绘制位移、速度以及加速度曲线(Multi degree of freedom forced vibration equation)