认知无线电技术是当前缓解频谱资源紧张的有效解决方案，频谱感知是认知无线电的关键技术，其中，能量检测是经典的频谱感知算法，对于研究频谱感知的初学者来说比较重要。-Cognitive radio technology is an effective solution to alleviate the tension of spectrum resources. Spectrum sensing is the key technology of cognitive radio. Among them,

合作频谱感知和适应环境，认知无线电能够填补频谱漏洞和服务，而不造成对授权用户的有害干扰。我们考虑优化的合作频谱感知与能量检测，以尽量减少总的错误率(Cooperative spectrum sensing and adaptive environment, cognitive radio can fill in spectrum loopholes and services without causing harmful interference to authorized users. We