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1)  primary user
主用户
1.
The key technology of cognitive radio is to detect the primary users.
认知无线电最关键的技术就是主用户的感知。
2.
In order to satisfy the interference constraint from secondary user to primary user and maximize secondary user\' s transmission rate,the optimal power allocation scheme based on convex optimization theory is proposed.
为满足认知用户对主用户的干扰约束,同时最大化认知用户的传输速率,提出了基于凸优化理论的最优功率分配方案。
3.
In cognitive radio network,cognitive users(secondary users)must continuously monitor the spectrum to find the presence of the primary user.
在认知无线电网络中,认知用户(次用户)必须连续地监控频谱,检测主用户是否存在。
2)  owner/occupant
业主/用户
3)  potential user
主要用户
4)  call subscriber
主叫用户
5)  User-Driven
用户主导
6)  primary user detection
主用户检测
1.
Then following the discussion of the development of several spectrum policies and standardizations, we focus on the recent research issues of key techniques, such as spectrum sensing, primary user detection, dynamic spectrum allocation and power control, as well as the applications of cognitive radio in wireless region area network, ad hoc network and UWB system.
归纳了认知无线电功能的演进,讨论了其相关频谱政策和标准化工作的进展,并重点对频谱侦听和主用户检测、动态频谱分配、功率控制等关键技术及认知无线电在无线区域网、adhoc网络、UWB系统中应用的研究现状进行了分析。
补充资料:主链断裂和主链裂解
分子式:
CAS号:

性质:又称主链断裂和主链裂解。发生在有支链结构高分子的主链上的共价键的断裂反应。可细分为两种类型:一种为主链端基断裂(断裂反应发生在末端链节上);一种为主链无规断裂(高分子主链的断裂没有固定点,主要发生在弱键处)。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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