中文说明：认知无线电（CR）技术已被提出作为一个可能的解决方案，以更有效地利用频谱动态频谱管理的概念。这个代码是使用能量检测的频谱感知。
English Description：
Cognitive radio (CR) technique has been proposed as a possible solution to much more efficiently utilize the spectrumwith the concept of dynamic spectrum management.This code is spectrum sensing using energy detection.