在认知无线电网络中，频谱检测作为一个核心问题受到了广泛的研究。
In cognitive radio networks, spectrum sensing as a core issue has been widely studied.
其次，在认知无线电网络中，由于信道的随机性，造成频谱检测过程中的不确定性。
Secondly, the uncertainty during the process of the spectrum detection is caused by the random of the channel in the Cognitive Radio network.
其次，在认知无线电网络中，由于信道的随机性，造成频谱检测过程中的不确定性。
Secondly, the uncertainty during the process of the spectrum detection is caused by the random of the channel in the Cognitive Radio network.
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