学生成绩管理系统，可查找学生单科目的成绩，也能查到总分，平均分等-Student achievement management system that enables students to find Billing Division of the purpose of achievement can also be found on total score, with an average grading

该程序很详细的比较分析了协作通信三个节点时系统在直接转发、存储转发AF和DF模式下的理论与仿真误码率曲线。-The program is very detailed comparative analysis of the collaborative communication system in direct forward three nodes, store-and-forward AF and DF mode theory and simulation of the ber curve.