感知无线电可以自动感知外界的无线环境并能调整系统参数以适应环境的变化。
Cognitive radio has both the ability to sense the spectral environment and the flexibility to adapt transmission parameters.
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.
10部WNaN移动手持无线电可在通讯中断时参与多次同时呼叫，提供态势感知数据。
WNaN mobile handheld radios that participated in multiple, simultaneous call groups and delivered situational awareness data despite communications disruptions.
认知无线电；频谱感知；信息熵；信号相关性；频谱一致性。
Cognitive radio; Spectrum sensing; Entropy; Signal correlation; Spectrum consistency.
频谱感知是认知无线电系统的关键技术之一，协作频谱感知能够提高频谱感知性能。
Spectrum sensing is one of the key technologies in cognitive radio, and cooperative spectrum sensing can improve the spectrum sensing performance.
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.
频谱感知是实现认知无线电技术的前提和基础。
Spectrum sensing is one of the prerequisite and basis of realize cognitive radio technology.
频谱感知能力是认知无线电通信的一个重要前提，也是其核心功能之一。
The thesis mainly focuses on spectrum sensing and dynamic spectrum access of cognitive radio system.
频谱感知技术已经成为认知无线电技术的基础和前提。
Spectrum sensing technology has become the basis and premise of Cognitive Radio technology.
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.
协作感知技术作为认知无线电技术的关键技术成为近些年研究的热点。
As a key technique of Cognitive Radio (CR), cooperative sensing has become a hotspot worthy of research.
频谱感知技术是认知无线电的关键技术，是实现认知无线电的前提和先决条件。
Spectrum sensing technology is the key integrant in Cognitive Radio, is the basis and precondition for implementation of Cognitive Radio.
频谱感知技术是认知无线电的关键技术，是实现认知无线电的前提和先决条件。
Spectrum sensing technology is the key integrant in Cognitive Radio, is the basis and precondition for implementation of Cognitive Radio.
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