采用博弈论对认知无线电中的分布式动态频率选择和功率分配策略进行建模分析，通过建立合作来协调认知节点间的行为，从而提高分布式决策算法的性能。-Game Theory Modeling and Analysis of Distributed Dynamic Frequency Selection in cognitive radio and power allocation strategy to coordinate, through the establishment of cooperatio