一个功能比较统一的POS软件,全面超市POS收银软件-A function of relatively uniform POS software, a comprehensive supermarket POS cash register software

OFDMA的粗同步算法仿真,峰值点位置估计采用判断连续下降方式.-a arithmetic for the coarse syn in OFDMA system.the peak pos valus as the continue falling methods.

采用机器学习的方法进行自然语言处理，对中文进行分词和词性标注。分词采用crf模型，词性标注用hmm模型，解码算法为Vertibi算法。本系统使用java语言编写-Using machine learning methods for natural language processing, carried out on the Chinese word segmentation and POS tagging. Segmentation using crf model, tagging with