Since the beginning of the CR research, it has been aimed to dynamically and intelligently utilize the idle resources in authorized spectrum.
认知无线电的研究从开始就是以动态、智能地利用授权频谱中的空闲频带以提高无线网络的频谱利用率为目的。
Simulation platform is also one of fundamental work of CR research. Excellent simulation platform can greatly enhance the effectiveness and correctness of the research.
仿真平台设计也是认知无线电网络研究的基础性工作之一，优秀的仿真平台可大大提高研究的有效性和正确性。
This thesis mainly focuses on design and implement of baseband module of CR experimental system and research on reduction of PAPR.
本文的主要工作是CR实验系统的基带模块的设计与实现以及降低峰均比技术的研究。
The effect of postwelding heat treatment on property of pressure equipment made of Cr-Mo steel has been interpreted thorough some research and practical examples.
前言： 通过一些试验研究和工程实例，介绍采用铬钼钢制造的承压设备，经热处理后对钢材性能的影响。
As a key technique of Cognitive Radio (CR), cooperative sensing has become a hotspot worthy of research.
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。
The Curve Theory of Ranks (CTR) proposed by Dr. Chen Baoya suggests two methods for the research in the field of historic relationships of languages: Probability Limit(PL) and the Curve of Ranks (CR).
陈保亚提出的阶曲线理论为语言历史关系研究提供了两个重要的方法：概率计算法和阶曲线。
Finally, the content of the whole dissertation is summarized and some valuable research directions of UWB-CR are also discussed.
论文最后对全文进行了总结，并对与论文研究方向相关的领域进行了展望。
In this paper, author reported the research results about the cultivated technique of over-short-fell special forest of Morus alba cr.
本文报道了湖桑超短期轮伐专用林集约栽培技术的研究结果。
The research achievements of cryogenic treatment have been applied to cast alloys, including high Cr cast iron, 440A cast stainless steel, 45 carbon steel, in recent years.
介绍近几年将深冷处理技术应用于高铬铸铁、44 0A铸造不锈钢、45碳素铸钢等铸造合金材料中的研究结果。
The research status of molten salts electroplating of ti, ta and Cr are reviewed.
综述了钛、钽及铬熔融盐电镀研究的动态。
ConclusionWith good criterion validity and discriminate validity, BMDC-NPTB-CR is applicable in clinic and research practice for Chinese.
结论BMDC - NPTB - CR是效度较好的标准化成套量表，BMDC - NPTB - CR有良好的效标效度，和区分效度适合我国临床和科研工作应用。
Research on micro-plasma arc welding of Co-Cr alloy metal in oral cavity repair;
探讨了以手工方式进行铸造钴铬合金口腔修复材料微束等离子电弧焊的可行性。
Research on micro-plasma arc welding of Co-Cr alloy metal in oral cavity repair;
探讨了以手工方式进行铸造钴铬合金口腔修复材料微束等离子电弧焊的可行性。
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