该文首先对认知无线电系统中基于图论着色的频谱分配模型及其数学符号描述进行介绍；
This paper firstly introduce the cognitive radio system based on the spectrum allocation of graph coloring model and mathematical symbols descriptions;
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.
本文首先对认知无线电系统这个大环境的背景、概念、国内外研究现状及关键技术做了详细的分析。
Firstly this thesis introduces the context and concept of cognitive radio, the key technologies of cognitive radio, and the research status at home and abroad on cognitive radio.
本课题以频谱分配算法为研究对象，首先对认知无线电的研究背景、现状以及应用等知识做了简要介绍。
This article takes the spectrum allocation algorithm as the object of study. Firstly, introduce the background, present situation and applications of cognitive radio and so on.
认知无线电的频谱分配技术研究的是如何对检测到的空闲频谱资源进行有效的管理，是认知无线电系统的一项关键技术。
The spectrum allocation technology, which is one of the key technologies of cognitive radio, the research emphasis is how to manage the spectrum resource effectively.
本文研究了认知无线电关键技术之一的频谱检测技术，并对频谱检测技术在无线体域网中的应用进行了分析。
This paper has studied on spectrum sensing technology, one of the key technologies of cognitive radio systems, and its application of wireless body area networks.
认知无线电通过对授权频谱进行“二次利用”的方式，为缓解频谱资源缺乏与日益增长的无线接入需求之间的矛盾提供了可行的思路。
Using the licensed spectrum in "secondary utilization" way, cognitive radio provides a feasible solution for contradiction between spectrum resource scarcity and increasing radio access demands.
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.
最后以超宽带认知无线电组成的室内无线个域网为例，给出了平面和空间两种认知场景，并对这两种认知场景进行仿真分析。
Finally, based on an indoor wireless personal area network composed by UWB-CR, the two-dimensional and three-dimensional working scenarios are given respectively, and are simulated and analyzed.
介绍了认知无线电系统中主要的频谱检测技术，对它们的基本原理、实现方法和优缺点等进行了详细分析和讨论。
The important spectrum sensing technologies of CR are introduced, their basic principles, methods and advantages and disadvantages to achieve such a detailed analysis and discussion.
介绍了认知无线电系统中主要的频谱检测技术，对它们的基本原理、实现方法和优缺点等进行了详细分析和讨论。
The important spectrum sensing technologies of CR are introduced, their basic principles, methods and advantages and disadvantages to achieve such a detailed analysis and discussion.
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