利用时频分析的方法分析一段语音信号的时频特征，并进行降采样等处理，可直接运行-When the time-frequency analysis method to analyze the frequency of use of a voice signal characteristics, and down-sampling and other treatment, can be directly run

直接输入图片，以及类别数，返回分类结果，聚类中心，跌代次数。-Directly enter the picture, as well as the number of categories, the classification result is returned, the cluster center, down the number of generations.

Scrapy框架下实现的爬取百度招聘上所有相关招聘信息的爬虫，有效的对爬下来的数据以合适的格式进行储存。后续可进行数据挖掘。-Under the framework of realization Scrapy crawling reptiles Baidu recruitment on all jobs, effective to climb down data stored in a suitable format. Follow-up for data mining.