在频谱感知中，我们使用能量检测的方法，发现半投票准则是最优的融合准则。
We focus on energy detection for spectrum sensing and find the optimal fusion rule which is the half-voting rule.
频谱检测是感知无线电的关键技术之一，要求感知用户可靠、快速地检测频谱空洞。
Spectrum sensing technology is a key component of cognitive radio whose function is to find out the empty frequency bands quickly and reliably.
信号信息处理的新技术压缩感知，提供了认知无线电中宽带频谱检测的新方案。
Compressed sensing is a novel technology in signal information processing. It offers a new wide-band spectrum detection scheme in cognitive radio.
本文针对如何提高频谱感知技术的检测性能展开全面研究。
This paper carries comprehensive study on how to improve the detection performance of spectrum sensing technology.
当前对频谱感知技术的研究主要集中在单节点频谱检测和多节点合作频谱检测方面。
Now the research on spectrum sensing technology was mainly focused on the field of single node spectrum detection and multi-node spectrum detection.
频谱感知是认知无线电研究的关键技术之一，能量检测法是典型的频谱感知方法。
Spectrum sensing is one of the key technologies in cognitive radio and energy detection is a typical method of it.
频谱感知是认知无线电研究的关键技术之一，能量检测法是典型的频谱感知方法。
Spectrum sensing is one of the key technologies in cognitive radio and energy detection is a typical method of it.
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