通常意义上讲，这就是认知无线电。
认知无线电与软件无线电。
为了解决这一问题，学者们提出了认知无线电的概念。
A new technology called cognitive radio has been proposed to solve this problem.
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.
充分认知无线电考虑所有参数无线节点或网络可以知道。
Full cognitive radio takes into account all parameter that a wireless node or network can be aware of.
认知无线电技术因其提高频谱利用率的能力而广受关注。
Cognitive radio is interested because this technique can increase spectrum efficiency.
高效、可靠地检测频谱空洞是认知无线电研究的重要技术。
Efficient and reliable detection of spectrum holes is an important technology for cognitive radio.
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.
认知无线电的提出成为当下解决频谱资源稀缺的一个有效方法。
Cognitive radio is proposed as an efficient method to resolve this problem.
因此，快速而又准确地检测授权用户信号是认知无线电系统的基础。
Thus, detecting the licensed user's signal quickly and accurately is the foundation of the CR system.
因此，可以将认知无线电的功率控制问题看作一个非合作的博弈问题。
Therefore, power control of cognitive radio system can be seen as an issue of non-cooperative game.
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.
本论文研究的主要内容是认知无线电系统中动态频谱管理的频谱分配问题。
The main contents of this thesis is spectrum allocation of dynamic spectrum management in the cognitive radio system.
提出了一种基于认知无线电的自适应超宽带(uwb)窄带干扰抑制方法。
A novel adaptive ultrawideband (UWB) narrowband interference suppression method is presented based on cognitive radio (CR) theory.
孙占伟是电气工程系第四年的研究生，他在学校的研究方向是认知无线电。
Sun is a fourth year graduate student in Electrical Engineering. At school, his work pertains to cognitive radio.
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.
本文介绍了无线电礼仪协议的结构并分析了认知无线电对频谱统筹可能的贡献。
This paper introduces the architecture of radio-etiquette protocol and analyses cognitive radio's potential contribution to spectrum pooling.
为了使uwb对变化的干扰环境具有自适应调节能力，引入了认知无线电技术。
In order to make the UWB has the adaptive adjustment ability as the changed jamming environment, the CR technology is introduced.
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.
认知无线电(CR)是一种智能的无线电通信系统，其智能主要来自于认知引擎。
Cognitive Radio (CR) is an intelligent wireless communication system, whose intelligence mostly comes from the cognitive engine.
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.
本文首先综述了认知无线电的基本原理，包括其定义、概念模型、主要功能和关键技术。
Firstly, this dissertation summarizes fundamental notions of cognitive radios, including its definition, concept model, main functions and important technologies.
此外，本文提出了基于OFDM的TDCS的一种应用场景-认知无线电中的信令交换。
In addition, an application scenario of OFDM-based TDCS, signalling exchange in the cognitive radio context, is proposed in this paper.
在第三章中，主要对认知无线电的网络架构进行了研究，提出了具有频谱检测层的网络模型。
In the third chapter, we studied cognitive radio network architecture and put forward a new network model with a spectrum sensing layer.
另外，本文还研究了认知无线电的频谱检测机制问题，重点在于检测周期的调整和优化方面。
In addition, some relevant problems about the spectrum sensing mechanism are studied with the emphasis on the adjustment and optimization of detection period.
本文从认知无线电技术特性出发，对认知无线电网络中的功率控制算法进行了较为深入的研究。
From the perspective of characteristic in cognitive radio, this thesis develops a deep research on power control in cognitive radio networks.
作为认知无线电(CR)技术核心问题的无线频谱资源管理技术是提高认知无线电性能的关键。
As the core question in the Cognitive Radio (CR) technique field, the wireless spectrum resource management technology has the ability to enhance the CR communication system performance.
认知无线电技术的主要特点，就是根据环境不断调整参数以适应通讯的需求从而提高通讯质量。
The main task of CR is adjusting parameters according to the environment to adapt to the demands of communications and improve its quality.
认知无线电技术的主要特点，就是根据环境不断调整参数以适应通讯的需求从而提高通讯质量。
The main task of CR is adjusting parameters according to the environment to adapt to the demands of communications and improve its quality.
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