中文说明：
其中greedy_fair文件，为认知无线电中系统中贪婪算法与比例公平算法在资源分配上的对比仿真，其结果显示了两种算法分别在系统效益上和公平上的性能对比。
English Description：
Among them, grey_ Fair file, for the cognitive radio system in the greedy algorithm and proportional fair algorithm in the resource allocation of comparative simulation, the results show that the two algorithms in the system efficiency and fair performance comparison.