了解感知频谱(从而也会导致人们了解类比和创造力)是理论人工智能前进的主要任务。
Understanding the cognitive spectrum, which also leads to an understanding of analogy and creativity, is the main task of theoretical ai going forward.
BCM的目标是研发部署战眼系统，以解决全频谱作战士兵的态势感知需求。
A goal of the BCM is to evolve the SoldierEyes system to address the situational awareness needs of soldiers in full-spectrum operations.
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.
一种提高处理的语音的可理解性和感知质量的语音增强系统，包括频率转换器和频谱压缩器。
A speech enhancement system that improves the intelligibility and the perceived quality of processed speech includes a frequency transformer and a spectral compressor.
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.
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.
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.
首先，考虑了单个认知用户的频谱感知。
Firstly, the case of a single cognitive user's local spectrum sensing is considered.
贝叶斯推理的多信道频谱感知方法也是多分辨率频谱感知的基础，具有重要的应用价值。
This idea sheds a light to the more general multi-resolution spectrum sensing problem, and is of practical significance.
其次研究了非连续频谱感知策略的优化设计问题，即在满足感知开销限制的条件下，如何最小化空闲频谱发现时间。
Secondly, the optimal design of discontinuous spectrum sensing scheme was studied, which aimed at minimizing the spectrum opportunities discovery time while satisfying the sensing overhead constraint.
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.
通过频谱感知和认知引擎技术提取窄带干扰频谱特征作为陷波器的设计依据。
Through the spectrum sensing and cognitive engine technology, the characteristics of narrowband interference signal is extracted, which is the rule to design the trap filter.
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.
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.
在此框架下，根据频谱可用性和频谱感知结果的变化规律，将授权系统对频谱的占用过程建模为交替更新过程。
According to the evolution of spectrum availability and sensing results, spectrum occupancy of licensed users is model as an alternative renewal process in the framework.
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.
本文主要研究了压缩感知技术及其在宽带认知频谱感知中的应用。
This dissertation mainly studies the compressive sensing technology and its application in spectrum sensing for wideband cognitive radio.
然后，从三个方面对频谱感知进行了研究，包括频谱感知要求，频谱感知功能和频谱感知方案。
Then, three aspects of spectrum sensing are studied, including sensing requirements, sensing function and sensing plan.
从参与感知的认知用户数来区分，频谱感知技术可以分为单认知用户频谱感知和多用户协同感知技术。
According to the number of cognitive users, spectrum sensing technology can be divided into single-user spectrum sensing technology and multi-users cooperative 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.
以实现卫星认知无线通信中频谱空穴探测为目的，列举并比较了目前用于频谱感知的六种算法。
To achieve spectrum holes detection in cognitive satellite communication, six spectrum sensing methodologies are introduced and compared.
并由此推导出频谱可用性的统计规律，将频谱感知结果建模为离散时间马尔科夫链。
Accordingly, statistical characteristic of spectrum availability is induced and spectrum sensing results is formulated as a discrete time Markov chain.
在协作频谱感知网络中，感知时间和数据融合准则均影响着感知性能。
In cooperative spectrum sensing networks, the performance of the spectrum sensing is influenced by the sensing time and data fusion scheme.
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.
在这论文里，感知网络的性能是通过考虑新的合作战略协作式频谱信号组合来提高。
The present dissertation is showing the performance of the cognitive network is improved with the consideration of cooperative spectrum sensing scheme using new cooperative strategy.
文中将压缩感知、协作频谱感知、数据融合方法结合在一起，提出了一种新型高效协作频谱感知方案。
Combining compressed sensing, cooperative spectrum sensing and data fusion together, this paper presents a new type of efficient cooperative spectrum sensing scheme based on compressed sensing theory.
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.
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