vtrecmprsgram

数字信号处理关于数字滤波器的设计，并用matlab实现(Digital signal processing on the digital filter design and realization of matlab)

MATLAB实现K均值聚类，自己编的，可用，不用系统函数。(MATLAB realization of K-means clustering, own, use, instead of the system functions.)

This is a simple script two illustrate the concepts of Probability density function(pdf) cumulative density function (cdf). Two help pdfs are also included to understand the pdf and cdf concepts.

讲述了现在机械故障诊断中用到的常用时频分析方法，如短时fft 魏格纳维尔分布 小波变换 HHT等，里面含有例子和详细说明，对初学者帮助很大。(Tells the now commonly used in mechanical fault diagnosis frequency analysis methods, such as short-time wavelet transform fft Wigner distribution HHT Louisville, etc., which contains examples and detailed instructions, very helpful for beginners.)

Matlab使用指南，非常好的使用matlab的入门书(Matlab User Guide, very good use of the primer matlab)

fdma matlab simulater

DIGITAL ELECTRONICS SOL

MATLAB爬虫程序，获取指定时间段的所有上市公司公告文本。(A MATLAB spider can fetch the published texts by A-stock companies in certain period.)

推导运动学中杆运动模型的例程，对初学者有一定的价值。(Kinematic motion model is derived in the bar routines, for beginners a certain value.)

对白噪声的谱熵进行了计算。大家可以参考一下，(Spectrum Entropy )