认知无线电是当今频谱紧张情况下，最有效也是最直接的提高频谱利用率的方式。而该技术的核心之一是频谱感知。干扰温度是基于授权用户接收到进行的，克服了隐蔽终端等问题。-Cognitive radio is today s spectrum nervous cases, the most effective and most direct way to improve the utilization ratio of the spectrum. But the technology is one of