认为不同的认知节点信噪比( SNR) 导致了各节点本地检测结果的可靠性不同,故在此基础上提出了一种基于融合中心进行SNR比较 的认知无线电协作频谱检测算法。-That the different cognitive node SNR (SNR) has led to the detection results of the reliability of the local node is different on this basis it was proposed based on f