基于欧几里得距离的聚类分析，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块，matlab实现了五类灰色关联度模型的计算。- Clustering analysis based on Euclidean distance, ofdm system simulation including 16qam modulation fft windowing modules plus cp, matlab implements five gray correlation degree com