认知无线电中的频谱感知技术 包含单节点的检测和多点的写作检测-Spectrum-aware Detection of single-node Collaborative detection

简单的OA协同办公系统，简单的实现了用户管理、部门管理、岗位管理以及论坛相关的功能.(Simple OA collaborative office system, simple implementation of user management, department management, post management and forum related functions.)